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| 1 | Influence of moisture on the growth and biomass allocation in Haloxylon ammodendron and Tamarix ramosissima seedlings in the shelterbelt along the Tarim Desert Highway, Xinjiang, China显示文摘The authors studied the effects using three different levels of irrigation on the growth and biomass allocation in H. ammodendron and T. ramosissima seedlings in the shelterbelt along the Tarim Desert Highway. The three irrigation amounts were 35 (CK), 24.5 (treatment 1), and 14 (treatment 2) kg·ind. plant-1·once-1, respectively. The results show that (1) the vertical depth of the two seedlings’ root increased with lower levels of irrigation showing that the two species adapted to decreased irrigation by root elongation in the hinterland of the Taklimakan Desert, and the vertical root depth of H. ammodendron under treatment 2 was notably higher than CK. (2) Compared with CK, the belowground biomass of treatment 1 and 2 both showed a significant increase as follows: H. ammodendron seedlings in- creased by 14.51% and 37.03% under treatment 1 and 2, respectively, while T. ramosissima seedlings increased by 68.19% and 25.78% under treatment 1 and 2, respectively. This means that H. ammoden- dron seedlings were more adapted to the conditions in treatment 2 while T. ramosissima seedlings were better adapted to treatment 1 conditions. (3) When compared with CK, the fine root bomass of these two species all exhibited some increase under both treatments, and ANOVA analysis showed that the biomass of deep layer root of the two species under treatment 2 was notably higher than CK and treatment 1. This should help seedlings to more effectively absorb soil water from deep layers during dry conditions. (4) The root-shoot ratio was different for these two species. For H. ammodendron seed- lings, the root-shoot ratio was less than 1, while for T. ramosissim seedlings it was larger than 1. The root-shoot ratio of H. ammodendron seedlings increased with decreasing levels of irrigation, and that of T. ramosissim seedlings also increased under treatment 2. (5) With decreasing levels of irrigation, due to the difference of species, the growth variation of aboveground indexes was also different, while compared with CK, it was not significant. | SHAN LiShan ZHANG XiMing WANG YouKe WANG Hui YAN HaiNong WEI Jiang XU Hao | 2008 | Chinese Science Bulletin2008,53,S2: | 15 |
| 2 | Trends in the major causes of death in China, 1982-2010显示文摘Since the introduction of a series of reform and open policies in its economic system in 1976,China has been in a boom period of social and economic fields.Rapid development in economy and the consequent improvement in living conditions,nutrition,and health care help to decrease infant mortality and deaths from infectious diseases,and notably effected the patterns of mortality.For example,respiratory diseases,acute infectious diseases,and tuberculosis were the leading causes of death in 1957,while diseases of heart,cerebrovascular disease,and malignant neoplasm were the fifth,sixth,and seventh leading causes of death.1 Up to 1975,cerebrovascular diseases,diseases of heart,and malignant neoplasm were the top three death causes,followed by respiratory diseases,digestive diseases,and pulmonary tuberculosis.1 A prospective cohort study involving a representative sample of the adult Chinese population was conducted in 2005,which revealed that the five leading causes of death were malignant neoplasm,diseases of heart,cerebrovascular disease,accidents,and infectious diseases among men and diseases of heart,cerebrovascular disease,malignant neoplasm,pneumonia and influenza,and infectious diseases among women. | Lian Zuping Xie Youke Lu Yunxin Huang Dingping Shi Huanzhong | 2014 | Chinese Medical Journal2014,,4: | 13 |
| 3 | Magnesium citrate with a single dose of sodium phosphate for colonoscopy bowel preparation显示文摘AIM:To evaluate the efficacy and acceptability of magnesium citrate and a single dose of oral sodium phosphate(45 mL) solution for morning colonoscopy bowel preparation. METHODS:A total of 159 patients were randomly assigned to receive two split doses of 90 mg of sodium phosphate(GroupⅠ,n=79) or magnesium citrate(250 mL,the day before the procedure) followed by 45 mL of sodium phosphate(the day of procedure,GroupⅡ,n= 80) .The quality of bowel cleansing and the acceptability of each regimen were compared,including the satisfaction,taste,willing to repeat and adverse effects of each regimen. RESULTS:The quality of bowel cleansing of GroupⅡ was as good as that of GroupⅠ(An Aronchick scale score of good or excellent:70.9%vs 81.0%,respectively,P=0.34;the Ottawa system score:4.4±2.6 vs 3.8 ±3.0,respectively,P=0.76) .There was no statisticallysignificant difference between both groups with regard to acceptability,including the satisfaction,taste and willingness to repeat the regimen.A significantly greater number of older patients(over 65 years old) in Group Ⅱgraded the overall satisfaction as satisfactory(48.1% vs 78.1%,respectively;GroupⅠvs GroupⅡ,P=0.01) . There were no significant adverse reactions. CONCLUSION:Magnesium citrate and a single dose of sodium phosphate was as effective and tolerable as the conventional sodium phosphate regimen and is a satisfactory option. | Yong Sung Choi Jung Pil Suh Jong Kyu Kim In Taek Lee Eui Gon Youk Doo Seok Lee Do Sun Kim Doo Han Lee | 2011 | World Journal of Gastroenterology2011,17,2: | 7 |
| 4 | 黄土高原植被建造优化模式显示文摘文章分析了黄土高原植被建设的现状,总结选择了适宜黄土高原植被建设的宏观、中观、微观模式和种植模式,对黄土高原植被建设具有指导意义。 | Wang Youke Wu Qinxiao Han Bin(Northwestern Institute of Soil ans Water Conservation,Academia Sinicaand Ministry of Water Resources,Yangling,Shaaxi,712100) | 1994 | 水土保持研究1994,1,3: | 6 |
| 5 | Clinical impact of atypical endoscopic features in rectal neuroendocrine tumors显示文摘AIM: To validate the association between atypical endoscopic features and lymph node metastasis(LNM).METHODS: A total of 247 patients with rectal neuroendocrine tumors(NETs) were analyzed. Endoscopic images were reviewed independently by two endoscopists, each of whom classified tumors by sized and endoscopic features, such as shape, color, and surface change(kappa coefficient 0.76 for inter-observer agreement). All of patients underwent computed tomography scans of abdomen and pelvis for evaluation of LNM. Univariate and multivariate analyses were performed to identify the factors associated with LNM. Additionally, the association between endoscopic atypical features and immunohistochemical staining of tumors was analyzed.RESULTS: Of 247 patients, 156(63.2%) were male and 15(6.1%) were showed positive for LNM. On univariate analysis, tumor size(P < 0.001), shape(P < 0.001), color(P < 0.001) and surface changes(P < 0.001) were significantly associated with LNM. On multivariate analysis, tumor size(OR = 11.53, 95%CI: 2.51-52.93, P = 0.002) and atypical surface(OR = 27.44, 95%CI: 5.96-126.34, P < 0.001) changes were independent risk factors for LNM. The likelihood of atypical endoscopic features increased as tumor size increased. Atypical endoscopic features were associated with LNM in rectal NETs < 10 mm(P = 0.005) and 10-19 mm(P = 0.041) in diameter. Immunohistochemical staining showed that the rate of atypical endoscopic features was higher in non L-cell tumors.CONCLUSION: Atypical endoscopic features as well as tumor size are predictive factors of LNM in patients with rectal NETs. | Jong Hee Hyun Seong Dae Lee Eui Gon Youk Jae Bum Lee Enu-Jung Lee Hee Jin Chang Dae Kyung Sohn | 2015 | World Journal of Gastroenterology2015,21,47: | 3 |
| 6 | Effect of pruning intensity on soil moisture and water use efficiency in jujube(Ziziphus jujube Mill.) plantations in the hilly Loess Plateau Region, China显示文摘Jujube(Ziziphus jujube Mill.)is a traditional economic forest crop and is widely cultivated in hilly areas of the Loess Plateau,China.However,soil desiccation was discovered in jujube plantations.Pruning is recognized as a water-saving method that can reduces soil water consumption.In this study,we monitored the jujube plots with control(CK),light(C1),medium(C2)and high(C3)pruning intensities during the jujube growing period of 2012-2015 to explore the effect of pruning intensity on soil moisture and water use efficiency(WUE)of jujube plantations in the hilly Loess Plateau Region.The results showed that pruning is an effective method for soil water conservation in jujube plantations.Soil moisture increased with increasing pruning intensity during the jujube growing period of 2012-2015.C1,C2 and C3 pruning intensities increased soil water storage by 6.1-18.3,14.4-40.0 and 24.3-63.3 mm,respectively,compared to CK pruning intensity.Pruning promoted soil moisture infiltration to deeper soil layer.Soil moisture infiltrated to soil depths of 240,280 and>300 cm under C3 pruning intensity,220,260 and 260 cm under C2 pruning intensity,200,240 and 220 cm under C1 pruning intensity,and 180,200 and 160 cm under CK pruning intensity in 2013,2014 and 2015,respectively.Soil water deficit was alleviated by higher pruning intensity.In 2013-2015,soil water change was positive under C2(6.4 mm)and C3(26.8 mm)pruning intensities but negative under C1(-20.5 mm)and CK(-40.6 mm)pruning intensities.Moreover,pruning significantly improved fresh fruit yield and WUE of jujube plants.Fresh fruit yields were highest under C1 pruning intensity with the values of 6897.1-13,059.3 kg/hm^2,which were 2758.4-4712.8,385.7-1432.1 and 802.8-2331.5 kg/hm2 higher than those under CK,C2,and C3 pruning intensities during the jujube growing period of 2012-2015,respectively.However,C3 pruning intensity had the highest WUE values of 2.92-3.13 kg/m3,which were 1.6-2.0,1.1-1.2 and 1.0-1.1 times greater than those under CK,C1 and C2 pruning intensities,respectively.Therefore,C3 pruning intensity is recommended to jujube plantations for its economic and ecological benefits.These results provide an alternative strategy to mitigate soil desiccation in jujube plantations in the hilly Loess Plateau Region,which is critical for sustainable cultivation of economic forest trees in this region. | JIN Shanshan WANG Youke WANG Xing BAI Yonghong SHI Leigang | 2019 | Journal of Arid Land2019,11,3: | 3 |
| 7 | 非洲血统男性的肌肉衰减与新发高血压的关系显示文摘骨骼肌中异位脂肪组织浸润增加与胰岛素抵抗和糖尿病相关。该研究评估骨骼肌脂肪组织的变化能否预测非洲血统男性随后的高血压发展。在Tobago健康研究中,使用计算机断层扫描测定非洲血统男性(年龄40-91岁)的小腿肌肉间脂肪组织和骨骼肌衰减情况,进行前瞻性纵向研究。高血压定义为收缩压≥140和(或)舒张压≥90mmHg(1mmHg=0.133kPa),或接受降压药物治疗。 | 刘莉 叶鹏 Zhao Q Zmuda JM Kuipers AL Bunker CH Patrick AL Youk AO Miljkovic I | 2017 | 中华高血压杂志2017,25,3: | 2 |
| 8 | Endoscopic submucosal dissection for colorectal tumors—1,000 colorectal ESD cases: one specialized institute’s experiences显示文摘 | Eun-Jung Lee Jae Bum Lee Suk Hee Lee Do Sun Kim Doo Han Lee Doo Seok Lee Eui Gon Youk | 2013 | Surgical Endoscopy2013,,1: | 2 |
| 9 | Dew measurement and estimation of rain-fed jujube (Zizyphus jujube Mill) in a semi-arid loess hilly region of China显示文摘Dew is an important water source for plants in arid and semi-arid regions. However, information on dew is scarce in such regions. In this study, we explored dew formation, amount, and duration of rain-fed jujube(Zizyphus jujube Mill) trees in a semi-arid loess hilly region of China(i.e., Mizhi County). The data included dew intensity and duration, relative humidity, temperature, and wind speed measured from 26 July to 23 October, 2012 and from 24 June to 17 October, 2013 using a micro-climate system(including dielectric leaf wetness sensors, VP-3 Relative Humidity/Temperature Sensor, High Resolution Rain Gauge, and Davis Cup Anemometer). The results show that atmospheric conditions of relative humidity of >78% and dew point temperature of 1°C–3°C are significantly favorable to dew formation. Compared with the rainfall, dew was characterized by high frequency, strong stability, and long duration. Furthermore, heavy dew accounted for a large proportion of the total amount. The empirical models(i.e., relative humidity model(RH model) and dew point depression model(DPD model)) for daily dew duration estimation performed well at 15-min intervals, with low errors ranging between 1.29 and 1.60 h, respectively. But it should be noted that the models should be calibrated firstly by determining the optimal thresholds of relatively humidity for RH model and dew point depression for DPD model. For rain-fed jujube trees in the semi-arid loess hilly regions of China, the optimal threshold of relative humidity was 78%, and the optimal upper and lower thresholds of dew point depression were 1°C and 5°C, respectively. The study further demonstrates that dew is an important water resource that cannot be ignored for rain-fed jujube trees and may affect water balance at regional scales. | WANG Xing GAO Zhiyong WANG Youke Wang Zhi JIN Shanshan | 2017 | Journal of Arid Land2017,9,4: | 1 |
| 10 | The effects of solution properties and polyelectrolyte on electrospinning of ultrafine poly(ethylene oxide) fibers 显示文摘 | SON W K YOUK J H LEE T S | 2004 | Polymer2004,45,9: | 1 |
| 11 | Reductions in arterial stiffness with weight loss in overweight and obese young adults potential mechanisms 显示文摘 | Cooper JN Buchanich JM Youk A | 2012 | Atherosclerosis2012,223,2: | 1 |
| 12 | Initially non-diagnostic ultrasound-guided fine needle aspiration cytology of thyroid nodules:Value and management显示文摘 | Chung J Youk JH Kim JA | 2012 | Acta Radiologica2012,53,2: | 1 |
| 13 | Comparison of strain and shear wave elastography for the differentiation of be- nign from malignant breast lesions, combined with B-mode ultrasonography: qualitative and quantitative assessments 显示文摘 | Youk JH Son E J Gweon HM | 2014 | Ultrasound Med Biol2014,40,10: | 1 |
| 14 | Extrathyroid extension of welldifferentiated papillary thyroid microcarcinoma on US显示文摘 | Kwak JY Kim EK Youk JH | 2008 | Thyroid2008,18,6: | 1 |
| 15 | Performance of hand-held whole-breast ultrasound based on BI-RADS in women with mammographically negative dense breast显示文摘 | Youk JH Kim EK Kim MJ | 2011 | Eur Radiol2011,21,: | 1 |
| 16 | Electrospinning of cellulose acetate nanofibers using a mixed solvent of acetic acid/water:effects of solvent composition on the fiber diameter显示文摘 | SEONG Ok Han A JI Ho Youk B KYUNG Dan Min | 2008 | Materials Letters2008,,62: | 1 |
| 17 | MRI findings of pure ductal carcinoma in situ:kinetic charateristics compared according to lesion type and histopathologic factors显示文摘 | Kim J Son EJ Youk JH | 2011 | AJR Am J Roentgenol2011,196,6: | 1 |
| 18 | Diagnostic value of commercially available shear-wave elastography for breast cancers: integration into BI-RADS classification with sub- categories of category 4显示文摘 | Youk JH Gweon HM Son E J | 2013 | Eur Radiol2013,23,10: | 1 |
| 19 | Electrospinning of ultrafine cellulose acetate fibers:studies of a new solvent system and deacetylation of ultrafine cellulose acetate fibers显示文摘 | WON Keun Son JI Ho Youk TAEK Seung Lee | 2004 | Journal of Polymer Science:Part B:Polymer Physics2004,,42: | 1 |
| 20 | Synthesis and micellar characterization of thermosensitive amphiphilic poly ( ~ - caprolactone ) - b - poly ( N - vinylcaprolactam) block copolymers显示文摘 | Yu Y C Kang H U Youk J H | 2012 | Colloid Polym Sci2012,290,12: | 1 |