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Mechanism of oncolysis of Newcastle disease virus CN strain is studied in vitro in five carcinoma cells including HEP3B, T24, A549 and Hela cells, The pseudopods of the infected cells were retracted after 16h infected with 16HU/mL CN strain, the cells changed round and lost adhesion, the survival rates of the infected cells were lower than 10% by 120h.

本文研究了NDV-CN株对5株不同的人肿瘤细胞的体外杀伤作用。

Gene coding for matrix protein (p15) of donkey leukocyte attenuated vaccine strain of equine infectious anemia virus was cloned from its proviral DNA obtained from the vaccine strain infected donkey leukocyte cultures,and expressed in E.coli.

从感染驴白细胞的马传贫驴白细胞弱毒疫苗株前病毒DNA中克隆了编码基质蛋白(p1 5 )的基因，并在大肠杆菌中进行了表达。

At present, dealing with the apparatus containing oily water has much kind, mainly nature except that oil tank, swash plate except that oil tank, thick grain take except that oil tank, pressure except that oil tank, make up, degrease device, pressure strain pot and single valve strain pot,etc..

目前，处理含油污水的设备有多种，主要包括自然除油罐、斜板除油罐、粗粒化除油罐、压力除油罐、组合除油装置、压力滤罐和单阀滤罐等。

Five pairs of primers were designed for PCR according to five fragments of the putative virulent genes acquired by suppression subtractive hybridization between virulent strain HA9801 and avirulent strain 12 of Streptococcus suis type 2 （ SS2 ）. The five fragments were transcriptional regulator (15# and 154# fragments), amino acid permease (210# fragments), ABC transporter (9# fragments) and surface anchored protein (187# fragments).

通过猪链球菌 2 型（ Streptococcus suis type 2， SS2 ）毒力菌株 HA9801 与无毒力菌株 12#之间的抑制性差减杂交实验，获得了可能与 SS2 菌株毒力相关的 5 个基因片段，分别是转录调节子（ 15#，和 154#片段），氨基酸通透酶（ 210#片段）， ABC 转运子（ 9#片段）及表面锚定蛋白（ 187#片段）。

The half-bridge test method uses strain gauge and precision resistor to structure half-bridge circuit, and amplifies strain effects by means of unbalanced bridge.

半桥测试法是将应变片和精密电阻构成一个桥式电路，通过不平衡桥放大应变效果。

Third chapter mainly elaborates the measure bridge module"s composition and the design of its transfermation circuit , the strain foil"s temperature drifting and its the solution method, the measuring accuracy influence of long wire in electric bridge"s long-distance measuring and the method research,the research and design of DC strain bridge Auto-Balance and Auto-Calibration methods, the bridge"s electric source design as well as the measuring accuracy influence and solution research of bridges electric source.

第三章主要阐述了测量电桥模块的组成及其变换电路的设计，应变片温度漂移及其解决方法，电桥远距离测量长导线对测量精度的影响及方法研究，电桥自动平衡方法和自动标定方法的研究与设计，桥源的设计及桥源对测量精度的影响及解决方法研究。

The measurement results of the bridge load testing experiment were heavily influenced by the field environment. Based on the field test results of strain which were affected by simulated outside temperature, it was proposed that the compressed enameled wire could replace the traditional rubberized wire and shielded cable in bridge load testing experiments. This was supported by abundant data collected from the in-situ measurements and the results of these measurements were positive. As bridge-arm lead in the electrical resistance strain testing system, the compressed enameled wire was more stable than the rubberized wire.

摘 要：桥梁荷载试验现场测试环境的变化，对测量结果影响较大，在试验模拟室外温度变化对现场应变结果测量影响研究的基础上，提出采用高强漆包线替代传统的胶质电线、屏蔽电缆应用到桥梁荷载试验中，并进行了多个工程实例，通过大量实测的数据说明高强漆包线替代传统的胶质电线、屏蔽电缆应用到桥梁荷载试验中是可行的，测试效果是明显的。

The recombinant plasmid pQEM1 could steadily exist in the X4064 strain of S. typhimurium,without influence on its invasion into host cells.X4060（pQEM1）strain isolated from infected mice still had the ability to re-express M1 protein.

重组pQEM1质粒能稳定地存在于减毒鼠伤寒杆菌X4064株中，不妨碍其入侵宿主细胞，从小鼠组织中分离到的X4064(pQEM1)依然具有表达M1蛋白的能力。

Based on a series of triaxial tests, the behaviour of stress-strain and breakage volumetric strain of artificial rockfill materials is analyzed.

通过系列的三轴试验研究了不同破碎率情况下模拟堆石料应力变形和破碎体应变的特性。

Based on the principle of interaction between plastic volumetric strain and plastic generalized shear strain,the method of numerical modeling for constitutive relations of clay is studied.

以塑性体应变与塑性剪应变之间的相互作用原理为指导，对粘土本构关系的数值建模方法进行了研究。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。