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| 1 | Changes in plant biomass and species composition of alpine Kobresia meadows along altitudinal gradient on the Qinghai-Tibetan Plateau显示文摘Alpine Kobresia meadows are major vegetation types on the Qinghai-Tibetan Plateau. There is growing concern over their relationships among biodiversity, productivity and environments. Despite the im-portance of species composition, species richness, the type of different growth forms, and plant bio-mass structure for Kobresia meadow ecosystems, few studies have been focused on the relationship between biomass and environmental gradient in the Kobresia meadow plant communities, particularly in relation to soil moisture and edaphic gradients. We measured the plant species composition, her-baceous litter, aboveground and belowground biomass in three Kobresia meadow plant communities in Haibei Alpine Meadow Ecosystem Research Station from 2001 to 2004. Community differences in plant species composition were reflected in biomass distribution. The total biomass showed a de-crease from 13196.96±719.69 g/m2 in the sedge-dominated K. tibetica swamp to 2869.58±147.52 g/m2 in the forb and sedge dominated K. pygmaea meadow, and to 2153.08±141.95 g/m2 in the forbs and grasses dominated K. humilis along with the increase of altitude. The vertical distribution of below-ground biomass is distinct in the three meadow communities, and the belowground biomass at the depth of 0-10 cm in K. tibetica swamp meadow was significantly higher than that in K. humilis and K. pygmaea meadows (P<0.01). The herbaceous litter in K. tibetica swamp was significantly higher than those in K. pygnaeca and K. humilis meadows. The effects of plant litter are enhanced when ground water and soil moisture levels are raised. The relative importance of litter and vegetation may vary with soil water availability. In the K. tibetica swamp, total biomass was negatively correlated to species richness (P<0.05); aboveground biomass was positively correlated to soil organic matter, soil moisture, and plant cover (P<0.05); belowground biomass was positively correlated with soil moisture (P<0.05). However, in the K. pygnaeca and K. humilis meadow communities, aboveground biomass was posi-tively correlated to soil organic matter and soil total nitrogen (P<0.05). This suggests that the distribu-tion of biomass coincided with soil moisture and edaphic gradient in alpine meadows. | WANG ChangTing1,3, CAO GuangMin1, WANG QiLan1, JING ZengChun1, DING LuMing1 & LONG RuiJun2 1 Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810001, China 2 College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730070, China 3 Graduate University of the Chinese Academy of Sciences, Beijing 100039, China | 2008 | Science China(Life Sciences)2008,51,1: | 31 |
| 2 | Dual gRNAs guided CRISPR/Cas9 system inhibits hepatitis B virus replication显示文摘AIM: To screen and investigate the effective g RNAs against hepatitis B virus(HBV) of genotypes A-D.METHODS: A total of 15 g RNAs against HBV of genotypes A-D were designed. Eleven combinations of two above g RNAs(dual-g RNAs) covering the regulatory region of HBV were chosen. The efficiency of each g RNA and 11 dual-g RNAs on the suppression of HBV(genotypes A-D) replication was examined by the measurement of HBV surface antigen(HBs Ag) or e antigen(HBe Ag) in the culture supernatant. The destruction of HBV-expressing vector was examined in Hu H7 cells co-transfected with dual-g RNAs and HBVexpressing vector using polymerase chain reaction(PCR) and sequencing method, and the destruction of ccc DNAwas examined in Hep AD38 cells using KCl precipitation, plasmid-safe ATP-dependent DNase(PSAD) digestion, rolling circle amplification and quantitative PCR combined method. The cytotoxicity of these g RNAs was assessed by a mitochondrial tetrazolium assay.RESULTS: All of g RNAs could significantly reduce HBs Ag or HBe Ag production in the culture supernatant, which was dependent on the region in which g RNA against. All of dual g RNAs could efficiently suppress HBs Ag and/or HBe Ag production for HBV of genotypes A-D, and the efficacy of dual g RNAs in suppressing HBs Ag and/or HBe Ag production was significantly increased when compared to the single g RNA used alone. Furthermore, by PCR direct sequencing we confirmed that these dual g RNAs could specifically destroy HBV expressing template by removing the fragment between the cleavage sites of the two used g RNAs. Most importantly, g RNA-5 and g RNA-12 combination not only could efficiently suppressing HBs Ag and/or HBe Ag production, but also destroy the ccc DNA reservoirs in Hep AD38 cells.CONCLUSION: These results suggested that CRISPR/Cas9 system could efficiently destroy HBV expressing templates(genotypes A-D) without apparent cytotoxicity. It may be a potential approach for eradication of persistent HBV ccc DNA in chronic HBV infection patients. | Jie Wang Zhong-Wei Xu Shuang Liu Rui-Yang Zhang Shan-Long Ding Xiao-Meng Xie Lu Long Xiang-Mei Chen Hui Zhuang Feng-Min Lu | 2015 | World Journal of Gastroenterology2015,21,32: | 29 |
| 3 | Electromagnetic wave absorption in reduced graphene oxide functionalized with Fe3O4/Fe nanorings显示文摘我们与嵌入的 Fe 3 由化学热水的生长的 O 4/Fe nanorings (FeNR@rGO ) 。我们作为吸收材料的新奇电磁波说明这些 nanocomposites 的使用。有不同作文的 nanocomposites 的电磁波吸收性质被调查。准备过程和 nanocomposite 作文被优化完成最好的电磁波吸收性质。有 GO:-Fe 2 为 3 h 在 H 2/Ar 退火准备的 1:1 的 O 3 团比率展出了最好的性质。这件 nanocomposite 样品(厚度 = 4.0 公里) 在 9.16 GHz 显示出最小的反射率 of-23.09 dB。当反射率是更少的 than-10 dB,光谱宽度直到 3.9 GHz 时,乐队范围是 7.4-11.3 GHz。当时,优点的这些数字典型地具有一样的数量级与传统的铁的氧化物材料显示出的价值相比。然而, FeNR@rGO 能乐意地作为因为我们建议的生产方法与大量生产标准高度兼容,吸收材料的微波被使用。 | Yi Ding Long Zhang Qingliang Liao Guangjie Zhang Shuo Liu Yue Zhang | 2016 | Nano Research2016,9,7: | 17 |
| 4 | Laparoscopic vs computerized tomography-guided radiofrequency ablation for large hepatic hemangiomas abutting the diaphragm显示文摘AIM: To compare safety and therapeutic efficacy of laparoscopic radiofrequency(RF) ablation vs computed tomography(CT)-guided RF ablation for large hepatic hemangiomas abutting the diaphragm.METHODS: We retrospectively reviewed our sequential experience of treating 51 large hepatic hemangiomas abutting the diaphragm in 51 patients by CT-guided or laparoscopic RF ablation due to either the presence of symptoms and/or the enlargement of hemangioma.Altogether, 24 hemangiomas were ablated via a CTguided percutaneous approach(CT-guided ablation group), and 27 hemangiomas were treated via a laparoscopic approach(laparoscopic ablation group).RESULTS: The mean diameter of the 51 hemangiomas was 9.6 ± 1.8 cm(range, 6.0-12.0 cm). There was nodifference in the diameter of hemangiomas between the two groups(P > 0.05). RF ablation was performed successfully in all patients. There was no difference in ablation times between groups(P > 0.05). There were 23 thoracic complications in 17 patients: 15(62.5%, 15/24) in the CT-guided ablation group and2(7.4%, 2/27) in the laparoscopic ablation group(P< 0.05). According to the Dindo-Clavien classification,two complications(pleural effusion and diaphragmatic rupture grade Ⅲ) were major in two patients. All others were minor(grade Ⅰ). Both major complications occurred in the CT-guided ablation group. The minor complications were treated successfully with conservative measures, and the two major complications underwent treatment by chest tube drainage and thoracoscopic surgery, respectively. Complete ablation was achieved in 91.7%(22/24) and 96.3%(26/27) in the CT-guided and the laparoscopic ablation groups,respectively(P > 0.05).CONCLUSION: Laparoscopic RF ablation therapy should be used as the first-line treatment option for large hepatic hemangiomas abutting the diaphragm.It avoids thermal injury to the diaphragm and reduces thoracic complications. | Jun Gao Jian Kong Xue-Mei Ding Shan Ke Hai-Gang Niu Zong-Hai Xin Chun-Min Ning Shi-Gang Guo Xiao-Long Li Long Zhang Yong-Hong Dong Wen-Bing Sun | 2015 | World Journal of Gastroenterology2015,21,19: | 16 |
| 5 | Radiofrequency ablation for hepatic hemangiomas: A consensus from a Chinese panel of experts显示文摘Recent studies have shown that radiofrequency(RF) ablation therapy is a safe, feasible, and effective procedure for hepatic hemangiomas, even huge hepatic hemangiomas. RF ablation has the following advantages in the treatment of hepatic hemangiomas: minimal invasiveness, definite efficacy, high safety, fast recovery, relatively simple operation, and wide applicability. It is necessary to formulate a widely accepted consensus among the experts in China who have extensive expertise and experience in the treatment of hepatic hemangiomas using RF ablation, which is important to standardize the application of RF ablation for the management of hepatic hemangiomas, regarding the selection of patients with suitable indications to receive RF ablation treatment, the technical details of the techniques, therapeutic effect evaluations, management of complications, etc. A final consensus by a Chinese panel of experts who have the expertise of using RF ablation to treat hepatic hemangiomas was reached by means of literature review, comprehensive discussion, and draft approval. | Jun Gao Rui-Fang Fan Jia-Yin Yang Yan Cui Jian-Song Ji Kuan-Sheng Ma Xiao-Long Li Long Zhang Chong-Liang Xu Xin-Liang Kong Shan Ke Xue-Mei Ding Shao-Hong Wang Meng-Meng Yang Jin-Jin Song Bo Zhai Chun-Ming Nin Shi-Gang Guo Zong-Hai Xin Jun Lu Yong-Hong Dong Hua-Qiang Zhu Wen-Bing Sun | 2017 | World Journal of Gastroenterology2017,23,39: | 15 |
| 6 | Rapid Detection and Identification of Infectious Pathogens Based on High-throughput Sequencing显示文摘 | Pei-Xiang Ni Xin Ding Yin-Xin Zhang Xue Yao Rui-Xue Sun Peng Wang Yan-Ping Gong Jia-Li Zhou Dong-Fang Li Hong-Long WO Xin Yi Ling Yang Yun Long | 2015 | Chinese Medical Journal2015,,7: | 13 |
| 7 | Lira-YOLO: a lightweight model for ship detection in radar images显示文摘For the detection of marine ship objects in radar images, large-scale networks based on deep learning are difficult to be deployed on existing radar-equipped devices. This paper proposes a lightweight convolutional neural network, LiraNet, which combines the idea of dense connections, residual connections and group convolution, including stem blocks and extractor modules.The designed stem block uses a series of small convolutions to extract the input image features, and the extractor network adopts the designed two-way dense connection module, which further reduces the network operation complexity. Mounting LiraNet on the object detection framework Darknet, this paper proposes Lira-you only look once(Lira-YOLO), a lightweight model for ship detection in radar images, which can easily be deployed on the mobile devices. Lira-YOLO's prediction module uses a two-layer YOLO prediction layer and adds a residual module for better feature delivery. At the same time, in order to fully verify the performance of the model, mini-RD, a lightweight distance Doppler domain radar images dataset, is constructed. Experiments show that the network complexity of Lira-YOLO is low, being only 2.980 Bflops, and the parameter quantity is smaller, which is only 4.3 MB. The mean average precision(mAP) indicators on the mini-RD and SAR ship detection dataset(SSDD) reach 83.21% and 85.46%, respectively,which is comparable to the tiny-YOLOv3. Lira-YOLO has achieved a good detection accuracy with less memory and computational cost. | ZHOU Long WEI Suyuan CUI Zhongma FANG Jiaqi YANG Xiaoting DING Wei | 2020 | Journal of Systems Engineering and Electronics2020,31,5: | 12 |
| 8 | Suppression or knockout of SaF/SaM overcomes the Sa-mediated hybrid male sterility in rice显示文摘Hybrids between the indica and japonica subspecies of rice(Oryza sativa) are usually sterile, which hinders utilization of heterosis in the inter-subspecific hybrid breeding. The complex locus Sa comprises two adjacently located genes, SaF and SaM, which interact to cause abortion of pollen grains carrying the japonica allele in japonica-indica hybrids. Here we showed that silencing of SaF or SaM by RNA interference restored male fertility in indica-japonica hybrids with heterozygous Sa. We further used clustered regularly interspaced short palindromic repeats(CRISPR)/Cas9-based genome editing to knockout the SaF and SaM alleles, respectively, of an indica rice line to create hybrid-compatible lines. The resultant artificial neutral alleles did not affect pollen viability and other agricultural traits, but did break down the reproductive barrier in the hybrids. We found that some rice lines have natural neutral allele Sa-n, which was compatible with the typical japonica or indica Sa alleles in hybrids. Our results demonstrate that SaF and SaM are required for hybrid male sterility, but are not essential for pollen development. This study provides effective approaches for the generation of hybrid-compatible lines by knocking out the Sa locus or using the natural Sa-n allele to overcome hybrid male sterility in rice breeding. | Yongyao Xie Baixiao Niu Yunming Long Gousi Li Jintao Tang Yaling Zhang Ding Ren Yao-Guang Liu Letian Chen | 2017 | Journal of Integrative Plant Biology2017,59,9: | 11 |
| 9 | Plasma microRNAs as potential new biomarkers for early detection of early gastric cancer显示文摘BACKGROUND Early gastric cancer(EGC), compared with advanced gastric cancer(AGC), has a higher 5-year survival rate. However, due to the lack of typical symptoms and the difficulty in diagnosing EGC, no effective biomarkers exist for the detection of EGC, and gastroscopy is the only detection method.AIM To provide new biomarkers with high specificity and sensitivity through analyzed the differentially expressed microRNAs(miRNAs) in EGC and AGC and compared them with those in benign gastritis(BG).METHODSWe examined the differentially expressed miRNAs in the plasma of 30 patients with EGC, AGC, and BG by miRNA chip analysis. Then, we analyzed and selected the significantly different miRNAs using bioinformatics. Reverse transcription quantitative real-time polymerase chain reaction(RT-qPCR)confirmed the relative transcription level of these miRNAs in another 122 patients, including patients with EGC, AGC, Helicobacter pylori(H. pylori)-negative gastritis(Control-1), and H. pylori-positive atrophic gastritis(Control-2).To establish a diagnostic model for the detection of plasma miRNA in EGC, we chose miRNAs that can be used to determine EGC and AGC from Control-1 and Control-2 and miRNAs in EGC from all other groups.RESULTS Among the expression profiles of the miRNA chips in the three groups in the discovery set, of 117 aberrantly expressed miRNAs, 30 confirmed target prediction, whereas 14 were included as potential miRNAs. The RT-qPCR results showed that 14 potential miRNAs expression profiles in the two groups exhibited no differences in terms of H. pylori-negative gastritis(Control-1) and H. pyloripositive atrophic gastritis(Control-2). Hence, these two groups were incorporated into the Control group. A combination of four types of miRNAs,miR-7641, miR-425-5 p, miR-1180-3 p and miR-122-5 p, were used to effectively distinguish the Cancer group(EGC + AGC) from the Control group [area under the curve(AUC) = 0.799, 95% confidence interval(CI): 0.691-0.908, P < 0.001].Additionally, miR-425-5 p, miR-24-3 p, miR-1180-3 p and miR-122-5 p were utilized to distinguish EGC from the Control group(AUC = 0.829, 95%CI: 0.657-1.000, P =0.001). Moreover, the miR-24-3 p expression level in EGC was lower than that in the AGC(AUC = 0.782, 95%CI: 0.571-0.993, P = 0.029), and the miR-4632-5 p expression level in EGC was significantly higher than that in AGC(AUC = 0.791,95%CI: 0.574-1.000, P = 0.024).CONCLUSION The differentially expressed circulatory plasma miR-425-5 p, miR-1180-3 p, miR-122-5 p, miR-24-3 p and miR-4632-5 p can be regarded as a new potential biomarker panel for the diagnosis of EGC. The prediction and early diagnosis of EGC can be considerably facilitated by combining gastroscopy with the use of these miRNA biomarkers, thereby optimizing the strategy for effective detection of EGC. Nevertheless, larger-scale human experiments are still required to confirm our findings. | Xiao-Liang Zhu Long-Fei Ren Hai-Ping Wang Zhong-Tian Bai Lei Zhang Wen-Bo Meng Ke-Xiang Zhu Fang-Hui Ding Long Miao Jun Yan Yan-Ping Wang Yu-Qin Liu Wen-Ce Zhou Xun Li | 2019 | World Journal of Gastroenterology2019,25,13: | 11 |
| 10 | Suppression dampens unpleasant emotion faster than reappraisal:Neural dynamics in a Chinese sample显示文摘The timing dynamics of regulating negative emotion with expressive suppression and cognitive reappraisal were investigated in a Chinese sample. Event-Related Potentials were recorded while subjects were required to view, suppress emotion expression to, or reappraise emotional pictures. The results showed a similar reduction in self-reported negative emotion during both strategies. Additionally, expressive suppression elicited larger amplitudes than reappraisal in central-frontal P3 component(340–480 ms). More importantly, the Late Positive Potential(LPP) amplitudes were decreased in each 200 ms of the 800–1600 ms time intervals during suppression vs. viewing conditions. In contrast, LPP amplitudes were similar for reappraisal and viewing conditions in all the time windows, except for the decreased amplitudes during reappraisal in the 1400–1600 ms. The LPP(but not P3) amplitudes were positively related to negative mood ratings, whereas the amplitudes of P3, rather than LPP, predict self-reported expressive suppression. These results suggest that expressive suppression decreases emotion responding more rapidly than reappraisal, at the cost of greater cognitive resource involvements in Chinese individuals. | YUAN JiaJin LONG QuanShan DING NanXiang LOU YiXue LIU YingYing YANG JieMin | 2015 | Science China(Life Sciences)2015,58,5: | 11 |
| 11 | Design and demonstration of a next-generation air quality attainment assessment system for PM_(2.5)and O_3显示文摘Due to the increasingly stringent standards, it is important to assess whether the proposed emission reduction will result in ambient concentrations that meet the standards. The Software for Model Attainment Test—Community Edition(SMAT-CE) is developed for demonstrating attainment of air quality standards of O3 and PM2.5. SMAT-CE improves computational efficiency and provides a number of advanced visualization and analytical functionalities on an integrated GIS platform. SMAT-CE incorporates historical measurements of air quality parameters and simulated air pollutant concentrations under a number of emission inventory scenarios to project the level of compliance to air quality standards in a targeted future year. An application case study of the software based on the U.S. National Ambient Air Quality Standards(NAAQS) shows that SMAT-CE is capable of demonstrating the air quality attainment of annual PM2.5and 8-hour O3 for a proposed emission control policy. | Hua Wang Yun Zhu Carey Jang Che-Jen Lin Shuxiao Wang Joshua S.Fu Jian Gao Shuang Deng Junping Xie Dian Ding Xuezhen Qiu Shicheng Long | 2015 | Journal of Environmental Sciences2015,27,3: | 11 |
| 12 | Comparative investigation on high-speed grinding of TiCp/Ti–6Al–4V particulate reinforced titanium matrix composites with single-layer electroplated and brazed CBN wheels显示文摘In order to develop the high-efficiency and precision machining technique of Ti Cp/Ti–6Al–4V particulate reinforced titanium matrix composites(PTMCs), high-speed grinding experiments were conducted using the single-layer electroplated cubic boron nitride(CBN) wheel and brazed CBN wheel, respectively. The comparative grinding performance was studied in terms of grinding force, grinding temperature, grinding-induced surface features and defects. The results display that the grinding forces and grinding temperature obtained with the brazed CBN wheel are always lower than those with the electroplated CBN wheel. Though the voids and microcracks are the dominant grinding-induced surface defects, the brazed CBN wheel produces less surface defects compared to the electroplated wheel according to the statistical analysis results. The maximum materials removal rate with the brazed CBN wheel is much higher than that with the electroplated one. All above indicate that the single-layer brazed CBN super-abrasive wheel is more suitable for high-speed grinding of PTMCs than the electroplated counterpart. | Li Zheng Ding Wenfeng Shen Long Xi Xinxin Fu Yucan | 2016 | Chinese Journal of Aeronautics2016,29,5: | 11 |
| 13 | Proportion of Uterine Malignant Tumors in Patients with Laparoscopic Myomectomy: A National Multicenter Study in China显示文摘 | Hua Yang Xiao-Chuan Li Chen Yao Jing-He Lang Hang-Mei Jin Ming-Rong Xi Gang Wang Lu-Wen Wang Min Hao Yan Ding Jie Chen Jian-Qing Zhang Lu Han Cheng-Xiu Guo Xiang Xue Yan Li Jian-Hua Zheng Man-Hua Cui Huai-Fang Li Guang-Shi Tao Long Chen Su-Min Wang An-Wei LU Ze-Hua Huang Qing Liu Ya-Li Zhuang Xiang-Hua Huang Gen-Hai Zhu Ou-Ping Huang Li-Na Hu Mu-Jun Li Hong-Lin Zhou Jing-Hui Song Lan Zhu | 2017 | Chinese Medical Journal2017,,22: | 10 |
| 14 | The resurgent landscape of xenotransplantation of pig organs in nonhuman primates显示文摘Organ shortage is a major bottleneck in allotransplantation and causes many wait-listed patients to die or become too sick for transplantation.Genetically engineered pigs have been discussed as a potential alternative to allogeneic donor organs.Although xenotransplantation of pig-derived organs in nonhuman primates(NHPs)has shown sequential advances in recent years,there are still underlying problems that need to be completely addressed before clinical applications,including(i)acute humoral xenograft rejection;(ii)acute cellular rejection;(iii)dysregulation of coagulation and inflammation;(iv)physiological incompatibility;and(v)cross-species infection.Moreover,various genetic modifications to the pig donor need to be fully characterized,with the aim of identifying the ideal transgene combination for upcoming clinical trials.In addition,suitable pretransplant screening methods need to be confirmed for optimal donor-recipient matching,ensuring a good outcome from xenotransplantation.Herein,we summarize the understanding of organ xenotransplantation in pigs-to-NHPs and highlight the current status and recent progress in extending the survival time of pig xenografts and recipients.We also discuss practical strategies for overcoming the obstacles to xenotransplantation mentioned above to further advance transplantation of pig organs in the clinic. | Xuan Zhang Quancheng Wang Jingjun Zhao Xiao Li Wei Peng Zhaoxu Yang Zhibin Lin Long Yang Rui Ding Kaishan Tao Kefeng Dou | 2021 | Science China(Life Sciences)2021,64,5: | 10 |
| 15 | Urokinase-type plasminogen activator receptor as a predictor of poor outcome in patients with systemic inflammatory response syndrome显示文摘BACKGROUND:Urokinase-type plasminogen activator(uPA) and urokinase-type plasminogen activator receptor(uPAR) are known as important factors,which mediate a variety of functions in terms of vascular homeostasis,inflammation and tissue repair.However,their role in systemic inflammatory response syndrome(SIRS) has been less well studied.This study aimed to test the hypothesis that the abnormalities of fibrinolysis and degradation of extracellular matrix mediated by uPA and uPAR are directly related to the patients with SIRS.We therefore analyzed their role and clinicopathological significance in patients with SIRS.METHODS:A case-control study was conducted with 85 patients who were divided into two groups according to the diagnostic criteria of SIRS:SIRS group(n=50) and non-SIRS group(/7=35).The SIRS group was divided into MODS group(n=26) and non-MODS group(n=24) by their severity,and survival group(n=35) and non-survival group(n=15) by their prognosis.Another 30 healthy adults served as normal controls.uPA and uPAR in plasma were detected by commercial enzyme-linked immunosorbent assay(ELISA) kits.RESULTS:The plasma level of uPA was lower in the SIRS group than in the non-SIRS group and controls(P<0.001 and P<0.001).It was lower in sepsis patients and the MODS group than in the non-sepsis patients and the non-MODS patients(all P<0.05).However,there was no difference in uPA level between survivors and non-survivors(P>0.05).The plasma level of uPAR increased in the SIRS group compared with the non-SIRS group and controls(P<0.001 and P<0.001).There was a significant elevation of uPAR in sepsis patients,MODS patients and non-survivors as compared with non-sepsis patients,non-MODS patients and survivors respectively(all P<0.05).Plasma uPAR levels were positively correlated with APACHE Ⅱ score(r=0.575,P<0.001) and SOFA score(r=0.349,P=0.013).AUCs for the prediction of SIRS mortality were 0.67 and 0.51,respectively,for uPA and uPAR.CONCLUSION:uPAR could be a predictor of poor outcome in patients with SIRS. | Xiao-ling Wu Ding Long Li Yu Jun-hui Yang Yuan-chao Zhang Feng Geng | 2013 | World Journal of Emergency Medicine2013,4,3: | 8 |
| 16 | High Resolution Radar Real-Time Signal and Information Processing显示文摘Radar is an electronic device that uses radio waves to determine the range, angle, or velocity of objects. Real-time signal and information processor is an important module for real-time positioning, imaging, detection and recognition of targets. With the development of ultra-wideband technology, synthetic aperture technology, signal and information processing technology, the radar coverage, detection accuracy and resolution have been greatly improved, especially in terms of one-dimensional(1D) high-resolution radar detection, tracking, recognition, and two-dimensional(2D) synthetic aperture radar imaging technology. Meanwhile, for the application of radar detection and remote sensing with high resolution and wide swath, the amount of data has been greatly increased. Therefore, the radar is required to have low-latency and real-time processing capability under the constraints of size, weight and power consumption. This paper systematically introduces the new technology of high resolution radar and real-time signal and information processing. The key problems and solutions are discussed, including the detection and tracking of 1D high-resolution radar, the accurate signal modeling and wide-swath imaging for geosynchronous orbit synthetic aperture radar, and real-time signal and information processing architecture and efficient algorithms. Finally, the latest research progress and representative results are presented, and the development trends are prospected. | Teng Long Tao Zeng Cheng Hu Xichao Dong Liang Chen Quanhua Liu Yizhuang Xie Zegang Ding Yang Li Yanhua Wang Yan Wang | 2019 | China Communications2019,16,2: | 7 |
| 17 | Edible insects in China: Utilization and prospects显示文摘可食的昆虫的使用在中国有长历史,在他们被消费超过 2000 年了的地方。一般来说,接受的水平为在中国的昆虫的消费高。可食的昆虫上的许多研究在最后 20 年里被进行了,并且研究的范围包括 entomophagy 和鉴定的文化,营养的价值,耕作并且可食的昆虫繁殖,除了食物生产和安全。当前,从 11 份订单的昆虫的 324 种类被记录那与在中国的 entomophagy 可食或联系,它包括普通可食的种类,某不太通常消费的种类和一些药用的昆虫。然而,昆虫的仅仅约 10 ~ 20 种类型定期被消费。为 174 种类的营养的价值在中国是可得到的,包括可食,喂并且药用的种类。尽管营养的价值在种类之中变化,检验的所有昆虫在满足人的营养的要求的层次包含蛋白质,脂肪,维生素和矿物质。可食的昆虫是,并且继续是,在中国的许多部分由不同的种族组消费了。人们直接消费用昆虫做的昆虫或食物产品。从昆虫蛋白质处理产品粉末,油和几丁质,和保健食物的发展在中国被学习了。人们也由吃是喂的昆虫的家畜间接地消费昆虫,它可以是一条更可接受的小径在人的食谱使用昆虫。尽管限制,昆虫的食物安全上的数据显示昆虫为食物是安全的或喂。在消费蚕蛹,蝉和板球以后的过敏反应的发生在中国被报导了。昆虫耕作是在农村中国的唯一的繁殖工业并且是为本地人的收入的来源。昆虫被饲养并且繁殖因为人的食物,药和动物喂在中国使用二条途径:昆虫也充分在监禁完全被驯养并且高耸或部分在监禁,和昆虫产地被提起被操作增加生产。取决于昆虫与人,植物和环境有的关系的类型,不同耕作策略被使用。聚会和科学界必须一起工作作为食物支持昆虫的使用并且喂。 | Feng, Ying Chen, Xiao‐Ming Zhao, Min He, Zhao Sun, Long Wang, Cheng‐Ye Ding, Wei‐Feng | 2018 | Insect Science2018,25,2: | 7 |
| 18 | Hepatitis B virus X protein represses miRNA-148a to enhance tumorigenesis显示文摘 | Xu Xiaojie Fan Zhongyi Kang Lei Han Juqiang Jiang Chengying Zheng Xiaofei Zhu Ziman Jiao Huabo Lin Jing Jiang Kai Ding Lihua Zhang Hao Cheng Long Fu Hanjiang Song Yi Jiang Ying Liu Jiahong Wang Rongfu Du Nan Ye Qinong | 2013 | Journal of Clinical Investigation2013,,2: | 7 |
| 19 | Live cell screening platform identifies PPAR6 as a regulator of cardiomyocyte proliferation and cardiac repair显示文摘Zebrafish 能高效地通过 cardiomyocyte 增长改革他们的心。相反,哺乳动物的 cardiomyocytes 站立即在出生以后增殖,限制出生后的哺乳动物的心的再生能力。因此,如果出生后的 cardiomyocyte 增长的内长的潜力能被提高,它能为心失败病人提供有希望的未来治疗。这里,我们开始系统地识别触发出生后的 cardiomyocyte 增长的小分子。由屏蔽为估计房间周期阶段利用一个基于 Fucci 的系统的化学复合图书馆,我们作为出生后的 cardiomyocyte 增长的 inducer 识别了 carbacyclin。在 vitro, carbacyclin 经由 peroxisome 导致了新生、成年的 mononuclear 老鼠 cardiomyocytes 的增长激活 proliferator 的受体(PPAR )/PDK1/p308Akt/GSK3/-catenin 小径。PPAR 的抑制在 zebrafish 心新生期间减少了 cardiomyocyte 增长。尤其是,象有在在老鼠的心肌的梗塞以后的 PPAR 收缩筋的治疗一样的组成地活跃的 PPAR 的可诱导的 cardiomyocyte 特定的 overexpression 在 cardiomyocytes 导致了房间周期前进,减少了结疤,并且改进了心脏的功能。一起,我们建立了屏蔽系统和礼品的 cardiomyocyte 增长有为心脏的病理的治疗的诺言的一个新 drugable 目标由 cardiomyocyte 损失引起了。 | Ajit Magadum Yishu Ding Lan He Teayoun Kim Mohankrishna Dalvoy Vasudevarao Qinqiang Long Kevin Yang Nadeera Wickramasinghe Harsha V Renikunta Nicole Dubois Gilbert Weidinger Qinglin Yang Felix B Engel | 2017 | Cell Research2017,27,8: | 6 |
| 20 | An improved motion compensation method for high resolution UAV SAR imaging显示文摘The polynomial and sinusoidal motion errors always exist in the unmanned aero vehicle(UAV)SAR due to the small size and low velocity of the platform,causing serious spectrum compressing/stretching and significant spectral replicas of the azimuth signal.The motion errors induce serious blurring of the SAR image and'ghost targets',and can hardly be precisely estimated by the conventional motion compensation(MOCO)method.In this paper,an improved MOCO method is proposed to estimate and eliminate the motion errors in the high resolution UAV SAR without high precision inertial navigation system(INS)data.The time domain range walk correction(RWC)operation in the coarse phase error estimation process of the proposed MOCO method is the key operation that ensures the estimation accuracy of the whole MOCO method.Finally,the validity of the improved MOCO method is verified by computer simulations and real UAV SAR data processing. | FAN BangKui DING ZeGang GAO WenBin LONG Teng | 2014 | Science China(Information Sciences)2014,57,12: | 6 |