查询词典 Chain Reaction

Methods the gene polymorphism of ACE in 108 patients were analyzed by using the polymerase chain reaction. Main renal arteries, segmental arteries and interlobar arteries in 108 patients were measured by color Doppler flow image.

用聚合酶链反应对甘肃地区108例糖尿病患者血管紧张素转换酶基因多态性进行检测，并对患者双肾肾主动脉、段动脉、叶间动脉进行彩色多普勒血流成像。

Description : Big Kahuna reef 2 - Go Hawaiian all over again with Big Kahuna Reef 2: Chain Reaction!

说明：大奇卡胡纳礁2 -去夏威夷都再次与大奇卡胡纳礁2 ：连锁反应！

Methods Using polymerase chain reaction-single strand conformation polymorphism, all the 41 exons of TSC2 gene were analyzed in 4 TSC cases (include 1 suspect case) from one family and 1 sporadic TSC case, and compared with the kin familial controls and kinless normal controls.

采用聚合酶链反应－单链构象多态性技术，对TSC一家系4例TSC患者（其中1例疑似）、1例散发性TSC患者外周血TSC2的41个外显子进行检测，并与家系中健康对照组和无血缘关系健康对照组进行比较。

Methods 202 kinless subjects of the Chinese Han were investigated in this study, including 82 normal controls, and 120 cases diagnosed as CHD. The PPARδ+294T/C gene polymorphism was determined by polymerase chain reaction and restriction fragment length polymorphisms. The frequencies of PPARδ+294T/C genotypes and the "C"allele frequency were analyzed, to evaluate the risk for the CHD among variant genotypes.

运用聚合酶链式反应及限制酶片段长度多态性技术分析无血缘关系汉族人群[包括82例正常对照者，120 例冠心病患者]的PPARδ+294T/C基因多态性，分析基因型频率、等位基因频率，并对不同基因型患者冠心病的危险性进行评价。

Lamblia was extracted and a full-length variant-specific surface antigen gene fragment was amplified by polymerase chain reaction.

提取蓝氏贾第鞭毛虫基因组DNA，PCR扩增表面变异抗原基因片段。

Methods TTV infection was detected by nest-polymerase chain reaction in the serum of 60 healthy gravidas and parturientes. Once parturient infection was identified, the latices and the umbilical blood were examined for TTV infection as well.

应用巢式聚合酶链反应技术检测60例健康孕产妇静脉血TTV，并对TTV阳性产妇的乳汁及其新生儿脐血进行检测。

Results Leucocytopenia and lymphocytopenia were seen in all the patients. Two patients had slightly decreased peripheral blood T lymphocyte count. Alanine aminotransferase and aspartate transaminase levels increased slightly in 3 patients. No hypoxemia was seen in all the patients. Both SARSIgM and IgG seroconversion occurred earlier in all the patients with the titer increased more than 4fold shortly. Neutralization test was positive in all the patients. SARS coronary virus RNA was detected by polymerase chain reaction in pharyageal swabs only in 1 patient.

结果 确诊的SARS患者白细胞及淋巴细胞呈不同程度降低，下降时间较流行时提前，下降程度较小；2例外周血T细胞亚群计数轻微降低；3例丙氨酸转氨酶和天冬氨酸转氨酶轻度升高；肾功能、血糖、血脂及心肌酶均无异常；所有患者血清SARSIgM/IgG抗体早在发病第6 d由阴转阳，滴度在短期内呈4倍以上升高，中和抗体实验阳性，1例咽拭子中检测出SARS冠状病毒RNA。

To determine the extent of avian leukosis virus infection in China in 2009, 178 suspected ALV samples were collected from 39 chicken farms in eight provinces and examined by polymerase chain reaction with ALV-A, ALV-B and ALV-J gene specific primers.

为了解自2009年年初以来国内一些地区禽白血病流行情况及流行毒株的分子特征，我们从湖北、黑龙江、山东、辽宁、吉林、广东、宁夏、安徽8个省区39个鸡场采集疑似禽白血病病料样品178份，用ALV-A、ALV-B和ALV-J特异性引物，通过PCR方法进行检测。

Bone marrow mesenchymal stem cells could differentiate into osteoblasts, adipocytes and neural like cells with osteoblast inductor (β-sodium glycerophosphate, dexamethasone, vitamin C), lipoblast inductor (dexamethasone, 3-isobutyl-1-methylxanthine, bovine insulin, indometacin) and serum-free medium inductor (dimethyl sulphoxide, butylated hydroxyanisole) respectively. Osteoblast marker (alkaline phosphatase, osteocalcin mRNA, calcium node), adipocyte marker (lipid droplet, PPAR γ-2mRNA) and neural cell-like marker (nissl body, neuron specific enolase, neurofilament protein) were respectively determined by the immunohistochemical method, polymerase chain reaction and immunocytochemical method.

分别采用成骨细胞诱导剂（β-甘油磷酸钠，地塞米松，维生素C）、成脂肪细胞诱导液（地塞米松，甲基异丁酸黄嘌呤，牛胰岛素，吲哚美辛）及二甲基亚砜和羟基丁酸苯甲醚无血清培养基诱导剂干预细胞向成骨、脂肪、神经细胞分化，经免疫组织化学染色、PCR、免疫细胞染色方法检测成骨标志物（碱性磷酸酶、骨钙素mRNA、钙结节）、脂肪标志物（脂滴、PPARγ-2mRNA）、以及类神经标志物（尼克氏体、神经烯醇化酶、神经丝蛋白）。

Methods HLA-A locus was typed with polymerase chain reaction-sequence specific primer technique for 259 longevous people (aged 90～105) and 214 healthy,randomly sampled subjects (aged 23～70) who live in the same area and comparative analyses were carried out among relevant alleles between the two groups.

方法应用聚合酶链式反应-序列特异引物对广西巴马和东兰两县259名90岁以上壮族长寿老人(90~105岁)和214名当地健康、随机抽样的壮族成年人(23~70岁)进行HLA-A座位的基因分型并进行相应等位基因频率比较。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。