变型

A new avian infectious bronchitis isolate(IBV D971)that caused infectious proventriculus disease were used to infect 1 day old SPF chickens.

用腺胃病变型鸡传染性支气管炎病毒分离株IBV D971 毒株接种1 日龄SPF 鸡，可引起60％死亡。

By using combinationo of virus isolation and identification of diseased tissu nucleic acid dot blot ,the so-called infectious proventriculus disease was demonstrated to be a new typeof avian infections broncchitis.

通过病原分离、鉴定，血清学检测，病原免疫原基因分离、鉴定，病料组织核酸点杂交等方面诊断研究，证明本病是一种新近报道的腺胃病变型为特征的禽传染性支气管炎。

Currently activities involve (1) Investigation of dye-DNA interaction by using spectroscopic methods to probe the binding sites between chromophore and DNA and to identify various DNA conformational structures, particularly the telomeric DNA;(2) Investigation of the structure-activity correlation of anti-telomerase agents;(3) Design and synthesis new compounds for antitumor agents and fluorescence biomarkers;(4) Monitoring the folding and unfolding of quadruplex structure, tracing the pathway of drug delivery and probing drug-target interaction by using single molecule microscopy and spectroscopy.

目前 的研究重点分别是(1)利用光谱方法探讨探针分子与DNA的交互作用，特别是作用位置与结构变化；(2)研究抗端粒酵素作用分子之结构与生物活性之关系；(3)设计及合成抗肿瘤药剂或萤光生物标记；(4)建立单分子萤光光谱与影像技术，研究 DNA的多变型结构之变化机制，监测药物输送的路径过程及其在细胞中与标的物的作用。

Genetic recombination is a process of combining genes that leads to the generation of cell variants that possess different characteristics.

遗传学的重新结合是导致拥有不同的特性的细胞变型的产生的一个结合基因的过程。

The world market from the relative stability of traditional markets into a dynamic changing markets.

世界市场已从传统的相对稳定型市场演变为动态多变型市场。

This mutant pre-S2 protein is highly expressed and accumulated in endoplasmic reticulum, resulting in a strong ER stress.

当Pre-S2突变型的表面抗原蛋白大量表现时，会累积在内质网中，导致强烈的内质网压力。

Energy is the force in Sade that subtends the constant transformation of forms, of lives.

在萨德那里，能量乃是囊括形式和生命之恒久变型的东西。

The isothermal amplification step depends not only on the replication of DNA polymerase, but also on the scission of nicking enzyme, which can generate a great number of aptamer.

我们用该方法对细胞色素P450酶系中的异喹胍羟化酶的单碱基多态性(CYP2D6*10)进行了检测，使突变型和野生型基因DNA得到了很好的区分。2。

Objective To observe the influence of gene transfection of inducible nitric oxide synthase to the transplanted human laryngeal squamous carcinoma in nude mice, to investigate the expression and the correlayion of iNOS and p53, and to proke into the possible apoptosis mechanism. Methods Transfect the gene of iNOS to Hep-2 human laryngeal cancer cell, sieve out positive clone cell and amplify.

目的 观察诱生型一氧化氮合酶(inducible nitric oxide synthase， iNOS)基因转染对人喉鳞癌细胞裸鼠移植瘤生长的影响，研究在体人喉鳞癌细胞中iNOS与突变型p53基因的表达，探讨二者的相关性及促进肿瘤细胞凋亡的机制。

According to the investigation and plant specimen and collected documents, the conclusions are obtained, which are described in the following, 60 species（including 2 varieties and 1 form）of Rosaceae wild fruit trees are found in Qinghai province, which belong to 10 genera, amount for 53.6% of the wild fruit trees of the whole province.

通过调查并结合有关文献和植物标本研究表明，青海省蔷薇科野生果树有60种（含2个变种、1个变型），隶属于10属，占全省野生果树总数的53.6%。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。