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| 1 | A boundary value problem for hypermonogenic functions in Clifford analysis显示文摘This paper deals with a boundary value problem for hypermonogenic functions in Clifford analysis. Firstly we discuss integrals of quasi-Cauchy's type and get the Plemelj formula for hypermonogenic functions in Clifford analysis, and then we address Riemman boundary value problem for hypermonogenic functions. | QIAO Yuying | 2005 | Science China Mathematics2005，48，z1： | 29 |
| 2 | Nutritional Status of Children during and post-Global Economic Crisis in China显示文摘Objective To describe the impact of the global economic crisis on the nutritional status of children in China during and after the crisis.Methods Data from 1990 to 2010 were sourced from the National Food and Nutrition Surveillance System.Approximately 16 000 children under 5 years old were selected using a stratified random cluster method from 40 surveillance sites.Anthropometric and hemoglobin measurements for children under 5 were conducted.Nutritional status was determined according to WHO child growth standards.Results Prevalence of underweight and stunting in children under 5 had a downward trend.Underweight prevalence was close to normal (less than 5%),with prevalence of stunting 12.6% in 2009 and 12.1% in 2010 in rural areas.Prevalence of stunting in infants under 6 months and 6‐12 months old in poorer rural areas increased from 5.7%‐9.1% and 6.7%‐12.5%,respectively,in 2008‐2009.This trend also continued post‐crisis in 2010.Prevalence of stunting in children left behind by mothers was 20%‐30% higher than in children the same age in general and poorer rural areas.Prevalence of anemia in children did not change in rural areas,but prevalence of anemia in all age groups increased in poorer rural areas,especially in children under 24 months old.Level reached 30%‐40% in 2009,and fluctuated in 2010.Conclusion The nutritional status of children under 5 was comparatively stable during and after the global economic crisis,attributable to the Chinese government's policy response.The nutritional status in poorer rural areas fluctuated in response to the economic crisis and,thus,relevant action and intervention must be taken immediately to help the most vulnerable population in poorer rural areas.A proper national nutritional strategy for children under 2 years old,including nutrition supplementation for pregnant women and in‐home fortification for complementary feeding,should be initiated. | CHEN ChunMing HE Wu WANG YuYing DENG LiNa JIA FengMei | 2011 | Biomedical and Environmental Sciences2011，24，4： | 22 |
| 3 | Hepatitis B virus genotype has no impact on hepatitis B e antigen seroconversion after lamivudine treatment显示文摘AIM: To investigate the association of hepatitis B virus (HBV) genotype and HBeAg seroconversion after nucleotide analogue treatment.METHODS: Chronic hepatitis B patients receiving lamivudine followed up for at least 6 months post-treatment were studied. Consecutive treatment-naive patients who were prospectively followed up in the clinic for at least 18 months were studied as controls. HBeAg seroconversion was defined as loss of HBeAg, appearance of anti-HBe and normalization of alanine aminotransferase for at least 6 months.RESULTS: Thirty-five patients on lamivudine and 96 control patients followed up for 39 (18-49) months were studied.Lamivudine was given for 12 (10-18) months, and patients were followed up for 15 (6-34) months after drug cessation.Genotype B and C HBV were found in 43 and 88 patients and HBeAg seroconversion occurred in 12 (28 %) and 16(18 %) patients, respectively (P=0.30). There was no difference in HBeAg seroconversion between patients infected by genotype B and C HBV in the control (35 % vs 21%, P=0.25) and lamivudine-treated (14 % vs 10 %,P=1.00) groups.CONCLUSION: HBeAg seroconversion after treatment by lamivudine was not influenced by the HBV genotype. | Henry Lik-Yuen Chan May-Ling Wong Alex Yui Hui Angel Mei-Ling Chim Ada Mei-Ling Tse Lawrence Cheung-Tsui Hung Francis Ka-Leung Chan Joseph Jao-Yiu Sung | 2003 | World Journal of Gastroenterology2003，9，12： | 21 |
| 4 | The growth mechanism of the basic magnesium chloride whisker显示文摘Based on the theoretical model of anion coordination polyhedron growth units, the growth mechanism of the basic magnesium chloride whisker was discussed in this paper.It was found that the basic magnesium chloride whisker habits were related to the different environments in which anion coordination polyhedra grew. The growth units of basic magnesium chloride whiskers are [Mg - (OH) 4]2 -and [Mg - Cl 4]2 -. The growth process is the incorporation process of growth units. Growth units will have different incorporations and orientations caused by different system characters or heating. Furthermore, the formation mechanism of basic magnesium chloride whiskers was also interpreted using anion coordination polyhedron growth units. | WU JianSong XIAO YingKai SU JingYun DENG TingTing FENG JieRong MO YuYing ZENG Mei | 2011 | Science China(Technological Sciences)2011，54，3： | 18 |
| 5 | A Novel Robust Attitude Control for Quadrotor Aircraft Subject to Actuator Faults and Wind Gusts显示文摘A novel robust fault tolerant controller is developed for the problem of attitude control of a quadrotor aircraft in the presence of actuator faults and wind gusts in this paper.Firstly, a dynamical system of the quadrotor taking into account aerodynamical effects induced by lateral wind and actuator faults is considered using the Newton-Euler approach. Then,based on active disturbance rejection control(ADRC), the fault tolerant controller is proposed to recover faulty system and reject perturbations. The developed controller takes wind gusts,actuator faults and measurement noises as total perturbations which are estimated by improved extended state observer(ESO)and compensated by nonlinear feedback control law. So, the developed robust fault tolerant controller can successfully accomplish the tracking of the desired output values. Finally, some simulation studies are given to illustrate the effectiveness of fault recovery of the proposed scheme and also its ability to attenuate external disturbances that are introduced from environmental causes such as wind gusts and measurement noises. | Yuying Guo Bin Jiang Youmin Zhang | 2018 | IEEE/CAA Journal of Automatica Sinica2018，5，1： | 18 |
| 6 | Photochemical pollution in Lanzhou, China - A case study显示文摘The photochemical air pollution in Xigu district of Lanshou city, Gansu Province was studied during a period of 1981-1984. The extremely high NMHC/NOx ratio and ozone level elevation after rain have been noticed. A series of outdoor and indoor reaction chamber simulation experiments conducted in order to understand the specific conditions. The ozone formation under NMHC/NOx condition and the possible reason for high ozone concentration after rain are discussed. | Tang Xiaoyan , Li Jinglong, Dong ZhenXing, Wang Yuying,Wang Wenxing , Qi Liwen, Liu Xiling, Zhang Yutian, Zhang Xuejin,Tian Bingshen, Jin Suwen , Yang Lingqing and Zhang Yixin Department of Technical Physics,Peking University, Beijing, China. Chinese Reaearch Academy of Eavironmental Sciences, Beijing,China. Gansu Provincial Environmental Research Institute, Lanshou, China. Lanshou Petrochemical Engineering Institute, Lanshou, China. | 1989 | Journal of Environmental Sciences1989，1，1： | 15 |
| 7 | Expression of a Buckwheat Trypsin Inhibitor Gene in Escherichia coil and its Effect on Multiple Myeloma IM-9 Cell Proliferation显示文摘荞麦胰蛋白酶抑制剂(BTI ) 的基因在 Escherichia 被克隆并且表示这个 recombinant 禁止者的产量在由在 Ni^(2+)-NTA Sepharose 列上使用 one-steppurification 的 12 mg/L 上的 coli.The。它的分子的重量是 9322.1 Da,由集体光谱分析决定了。MTT 和 cytometry 分析证明 recombinant BTI 能明确地禁止 IM-9 人的 B lymphoblastoid 房间的增长(从有多重骨髓瘤的病人) 以一种剂量依赖者方式。recombinant 的测试在 IM-9 房间的导致 BTI 的 apoptosis 暗示禁止者可能在癌症的治疗有潜在的申请。 | Zheng ZHANG Yuying LI Chen LI Jingming YUAN Zhuanhua WANG | 2007 | Acta Biochimica et Biophysica Sinica2007，39，9： | 14 |
| 8 | DIFFERENTIAL QUADRATURE METHOD TO STABILITY ANALYSIS OF PIPES CONVEYING FLUID WITH SPRING SUPPORT显示文摘It is a new attempt to extend the differential quadrature method(DQM)to stability analysis ofthe straight and curved centerline pipes conveying fluid.Emphasis is placed on the study of the influences ofseveral parameters on the critical flow velocity’.Compared to other methods,this method can more easily dealwith the pipe with spring support at its boundaries and asks for much less computing effort while giving ac-ceptable precision in the numerical results. | Ni Qiao Huang Yuying | 2000 | Acta Mechanica Solida Sinica2000，13，4： | 13 |
| 9 | The transcription factor ICE1 functions in cold stress response by binding to the promoters of CBF and COR genes显示文摘A recent paper by Kidokoro et al.(2020)in The Plant Cell reported a transgene-dependent transcriptional silencing phenomenon in the dominant ice1-1 Arabidopsis mutant containing the CBF3-LUC reporter,and questioned whether ICE1 may regulate CBF genes and may be involved in plant cold response.Here,we evaluate available evidence supporting the involvement of ICE1 in plant cold response,and provide ChIP-seq data showing ICE1 binding to the promoters of CBF genes and other regulatory genes known to be critical for cold response as well as to the promoters of some COR genes. | Kai Tang Lun Zhao Yuying Ren Shuhua Yang Jian-Kang Zhu Chunzhao Zhao | 2020 | Journal of Integrative Plant Biology2020，62，3： | 13 |
| 10 | Advances in fabrication of ceramic corundum abrasives based on sol–gel process显示文摘Corundum abrasives with good chemical stability can be fabricated into various free abrasives and bonded abrasive tools that are widely used in the precision machining of various parts.However,these abrasives cannot satisfy the machining requirements of difficult-to-machine materials with high hardness,high strength,and strong wearing resistance.Although superhard abrasives can machine the above-mentioned materials,their dressing and manufacturing costs are high.By contrast,ceramic corundum abrasives fabricated by sol–gel method is a costeffective product between conventional and superhard abrasives.Ceramic corundum abrasives exhibit self-sharpening and high toughness.In this review,the optimization methods of ceramic corundum abrasive properties are introduced from three aspects:precursor synthesis,particle shaping,and sintering.Firstly,the functional mechanism of seeds and additives on the microstructural and mechanical properties of abrasives is analyzed.Specifically,seeds can reduce the phase transition temperature and improve fracture toughness.The grain size and uniformly dense structure can be controlled by applying an appropriate amount of multicomponent additives.Then,the urgent need of engineering application and machinability of special shape ceramic corundum abrasives is reviewed,and three methods of abrasive shaping are summarized.The micromold replication technique is highly advanced and can be used to prepare functional abrasives.Additionally,the influence of a new sintering method,namely,two-step sintering technique,on the microstructural and mechanical performance of ceramic corundum abrasives is summarized.Finally,the challenge and developmental trend of the optimization of ceramic corundum abrasives are prospected. | Baoteng HUANG Changhe LI Yanbin ZHANG Wenfeng DING Min YANG Yuying YANG Han ZHAI Xuefeng XU Dazhong WANG Sujan DEBNATH Muhammad JAMIL Hao Nan Li Hafiz Muhammad ALI Munish Kumar GUPTA Zafar SAID | 2021 | Chinese Journal of Aeronautics2021，34，6： | 11 |
| 11 | 3-D geologic architecture of Xiong'an New Area: Constraints from seismic reflection data显示文摘Studying the geologic architecture of the Xiong'an New Area will provide important basis for the evaluation of crustal stability, urban planning and infrastructural projects in this region, and it is also of great significance in exploring the occurrence of oil and gas, geothermal, hot dry rock and other resources. The stratigraphic system of the study area is established by using latest high quality seismic reflection and deep borehole data. Characteristics of the major faults developed in the study area are finely depicted with the method of structural analysis. Tectonic evolution of Xiong'an and adjacent areas is reconstructed by using balanced geological cross-section technique. The tectonic activity of the study area is discussed on the basis of the development of secondary faults and the distribution of active earthquakes across the region. This study demonstrates that Xiong'an New Area is located at the transfer zone of the central and northern Jizhong Depression. There are three regional unconformities developed in this area, by which four structural layers are sub-divided. Controlled by the Taihang Mountain piedmont fault, the Daxing fault, the Rongcheng fault and the Niudong fault, the structural framework of the study area is characterized by intervening highs with sags. This structural pattern has an important controlling over the reservoir characteristics, hydrocarbon accumulation and the distribution of geothermal resources and hot dry rock within this region. Rifting in this area began in the early Paleogene, exhibiting typical episodic character and became inactive in Neogene. The development feature of secondary faults along with the distribution of active earthquakes indicate that Xiong'an New Area has been in a relatively stable tectonic setting since the Neogene, while the Baxian Sag and other structural units to the east of it have obviously been in a rather active environment. | Dengfa HE Shuaiqiang SHAN Yuying ZHANG Renqi LU Ruifeng ZHANG Yongqian CUI | 2018 | Science China Earth Sciences2018，61，8： | 10 |
| 12 | Novel robust fault diagnosis method for flight control systems显示文摘A novel robust fault diagnosis scheme, which possesses fault estimate capability as well as fault diagnosis property, is proposed. The scheme is developed based on a suitable combination of the adaptive multiple model (AMM) and unknown input observer (UIO). The main idea of the proposed scheme stems from the fact that the actuator Lock-in-Place fault is unknown (when and where the actuator gets locked are unknown), and multiple models are used to describe different fault scenarios, then a bank of unknown input observers are designed to implement the disturbance de-coupling. According to Lyapunov theory, proof of the robustness of the newly developed scheme in the presence of faults and disturbances is derived. Numerical simulation results on an aircraft example show satisfactory performance of the proposed algorithm. | Guo Yuying Jiang Bin Zhang Youmin Wang dianfei | 2008 | Journal of Systems Engineering and Electronics2008，19，5： | 10 |
| 13 | Pancreatic cancer with a high serum IgG4 concentration显示文摘Differentiation between autoimmune pancreatitis and pancreatic cancer is sometimes difficult. It has been reported that serum IgG4 concentrations are significantly elevated and particularly high (>135 mg/dL) in autoimmune pancreatitis. Measurement of serum IgG4 has become a useful tool for differentiating between autoimmune pancreatitis and pancreatic cancer. However, we present a 74-year-old female with a markedly elevated serum IgG4 (433 mg/dL) who underwent pancreaticoduodenectomy for pancreatic cancer. Elevated serum IgG4 levels continued after the resection. On histology, adenocarcinoma of the pancreas accompanied with moderate lymphoplasmacytic infiltration infiltrated the lower bile duct and duodenum, but there were no findings of autoimmune pancreatitis. Although a small metastasis was detected in one parapancreatic lymph node, regional lymph nodes were swollen. Abundant IgG4-positive plasma cells infiltrated the cancerous areas of the pancreas, but only a few IgG4-positive plasma cells were detected in the noncancerous areas. Pancreatic cancer cells were not immunoreactive for IgG4. An abundant infiltration of IgG4-positive plasma cells was detected in the swollen regional lymph nodes and in the duodenal mucosa. We believe that the serum IgG4 level was elevated in this patient with pancreatic cancer as the result of an IgG4-related systemic disease that had no clinical manifestations other than lymphadenopathy. | Terumi Kamisawa Pong Yui Chen Yuyang Tu Hitoshi Nakajima Naoto Egawa Kouji Tsuruta Atsutake Okamoto Tsunekazu Hishima | 2006 | World Journal of Gastroenterology2006，12，38： | 10 |
| 14 | Flavonoids from tartary buckwheat induce G2/M cell cycle arrest and apoptosis in human hepatoma HepG2 cells显示文摘 | Yuying Li Shizhao Duan Haiyan Jia Chongzhi Bai Liwei Zhang Zhuanhua Wang | 2014 | Acta Biochimica et Biophysica Sinica2014，46，6： | 10 |
| 15 | The Survey of Birth Defects Rate Based on Birth Registration System显示文摘 | Min Yu Zhiguang Ping Shuiping Zhang Yuying He Rui Dong Xiong Guo | 2015 | Chinese Medical Journal2015，，1： | 10 |
| 16 | Modeling Superhydrophobic Contact Angles and Wetting Transition显示文摘It is well known that surface roughness has a very important effect on superhydrophobicity.The Wenzel and Cassie-Baxtermodels,which correspond to the homogeneous and heterogeneous wetting respectively,are currently primary instructions fordesigning superhydrophobic surfaces.However,the particular drop shape that a drop exhibits might depend on how it is formed.A water drop can occupy multiple equilibrium states,which relate to different local minimal energy.In some cases,both equilibriumstates can even co-exist on a same substrate.Thus the apparent contact angles may vary and have different values.Wediscuss how the Wenzel and Cassie-Baxter equations determine the homogeneous and heterogeneous wetting theoretically.Contact angle analysis on hierarchical surface structure and contact angle hysteresis has been put specific attention.In particular,we study the energy barrier of transition from Cassie-Baxter state to Wenzel state,based on existing achievement by previousresearchers,to determine the possibility of the transition and how it can be interpreted.It has been demonstrated that surfaceroughness and geometry will influence the energy required for a drop to get into equilibrium,no matter it is homogeneous orheterogeneous wetting. | Nan Gao, Yuying YanDBE, Faculty of Engineering, University of Nottingham, NGl 2RD, UK | 2009 | Journal of Bionic Engineering2009，6，4： | 9 |
| 17 | 蚯蚓蠕动过程中非光滑波纹形体表的力学分析显示文摘蚯蚓体表的形状是蚯蚓适应其生存环境和自然进化的结果.用力学分析方法,解释蚯蚓的多体节非光滑形态在其运动过程中所表现出的省力、节省能量的特性.计算结果表明具有波纹形表面的蚯蚓在蠕动过程中可以节省1.12%的纵向肌肉的收缩力,在运动过程中所消耗的能量也可以节省1%左右. | 施卫平 任露泉 YAN Yuying | 2005 | 力学与实践2005，27，3： | 9 |
| 18 | Rescued virus from infectious cDNA clone of rabbit hemorrhagic disease virus is adapted to RK13 cells line显示文摘Based on the infectious full-length cDNA clone of rabbit hemorrhagic disease virus (RHDV), the in vitro transcripts are introduced into RK13 cells. 12 h later, CPE could be observed clearly, and virual antigen could also be detected by IFA. The titre of the recovered virus is 104.6/mL. Immune electron micro-scopic observation of the virus particles revealed that the particles were rotund with a diameter of about 30 nm. Besides, virus titre quantification obtained by qRT-PCR showed a correlation between time from infection and virus titre. All these results showed that we have recovered RHDV from RK13 cells by re-verse genetics technology successfully, and this would be very useful in studies of the antigenicity, virulence, pathogenesis, maturation and new type vaccines of RHDV. | LIU Guangqing NI Zheng YUN Tao ZHANG Yuying DU Qingyun SHENG Zutian LIANG Huali HUA Jionggang LI Shuangmao Chen Jianping | 2006 | Chinese Science Bulletin2006，51，14： | 9 |
| 19 | ^11C-PIBPET和^18F-FDGPET显像诊断阿尔茨海默病与遗忘型轻度认知损害的临床价值显示文摘目的应用11C-PIB PET和18F-FDG PET显像研究阿尔茨海默病和遗忘型轻度认知损害患者β-淀粉样蛋白(Aβ)沉积与葡萄糖代谢之间的关系,联合载脂蛋白E(ApoE)基因型进一步探讨遗忘型轻度认知损害与阿尔茨海默病的相关性。方法利用PET显像对阿尔茨海默病(14例)、遗忘型轻度认知损害(10例)和正常对照者(5例)脑组织Aβ沉积和葡萄糖代谢变化进行分析,采用聚合酶链反应-限制性片段长度多态性方法对ApoE基因型进行分析。结果阿尔茨海默病组患者11C-PIB标准化摄取比值在下顶叶、颞叶外侧、额叶、后扣带回皮质和楔前叶、枕叶和纹状体均高于正常对照组(P<0.05);遗忘型轻度认知损害组患者脑组织11C-PIB结合水平呈双峰形。11C-PIB+aMCI亚组与阿尔茨海默病组、11C-PIB-aMCI亚组与正常对照组之间11C-PIB标准化摄取比值差异均无统计学意义(P>0.05)。18F-FDG PET显像显示,3/5例11C-PIB+aMCI亚组患者双侧顶叶、颞叶和楔前叶代谢减低,其中2例ApoEε4等位基因携带者随访期间进展至阿尔茨海默病;3/5例11C-PIB-aMCI亚组患者双侧额叶和前扣带回代谢减低。结论11C-PIB PET显像是筛查具有阿尔茨海默病病理特点的遗忘型轻度认知损害患者的有效工具。具有阿尔茨海默病病理特征的遗忘型轻度认知损害患者可伴有顶叶、颞叶外侧皮质和楔前叶代谢减低,其中ApoEε4等位基因携带者更易进展至阿尔茨海默病痴呆。 | Shi Zhihong Wang Ying Liu Shuai Liu Shuling Z hou Yuying Wang Jinhuan Cai Li Gao Shuo Ji Yong | 2014 | 中国现代神经疾病杂志2014，14，3： | 8 |
| 20 | A SEMI-ANALYTICAL AND SEMI-NUMERICAL METHOD FOR SOLVING 2-D SOUND-STRUCTURE INTERACTION PROBLEMS显示文摘Based on the transfer matrix method and the virtual source simulation technique,this paper proposes a novel semi-analytical and semi-numerical method for solving 2-D sound-structure interaction problems under a harmonic excitation. Within any integration segment,as long as its length is small enough, along the circumferential curvilinear coordinate, the nonhomogeneous matrix differential equation of an elastic ring of complex geometrical shape can be rewritten in terms of the homogeneous one by the method of extended homogeneous capacity proposed in this paper. For the exterior fluid domain, the multi-circular virtual source simulation technique is adopted. The source density distributed on each virtual circular curve may be ex-panded as the Fourier''s series. Combining with the inverse fast Fourier transformation, a higher accuracy and efficiency method for solving 2-D exterior Helmholtz's problems is presented in this paper. In the aspect of solution to the coupling equations, the state vectors of elastic ring induced by the given harmonic excitation and generalized forces of coefficients of the Fourier series can be obtained respectively by using a high precision integration scheme combined with the method of extended homogeneous capacity put forward in this paper. According to the superposition principle and compatibility conditions at the interface between the elastic ring and fluid, the algebraic equation of system can be directly constructed by using the least square approximation. Examples of acoustic radiation from two typical fluid-loaded elastic rings under a harmonic concentrated force are presented. Numerical results show that the method proposed is more efficient than the mixed FE-BE method in common use. | Xiang Yu Huang Yuying (College of Civil Engineering and Mechanics,Huazhong University of Science and Technology,Wuhan 430074,China) | 2003 | Acta Mechanica Solida Sinica2003，16，2： | 8 |
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