核苷酸

Among 76 nonpregnant women in the study,40 of whom had given birth to infants with NTDs and 36 control women previously had normal offspring.

本研究利用采集的外周血标本，检测CBS第833位和第919位核苷酸的多态性，初步探讨了CBS的基因突变与NTDs之间的潜在关联。

Objective To analyze the sequence variation in the nonstructural region 5 b(NS5 b) of hepatitis C virus of China.

目的 分析中国丙型肝炎病毒非结构基因5 b区核苷酸序列变异。

In coding region of CBF4, SNP frequency is 1 SNP per 96.4 bp, one nonsynonymous mutation was detected from 25 av、203 av and 244 av accessions, which is the 205th site amino acid variation: glynval caused by the 1034th site (corresponding to 19696 site nucleotide of GenBank No.AB015478 as 1) nucleotide variation : GnT.

在编码区，SNP的频率为每96.4 bp一个SNP，其中发现25 av、203 av和244 av 3个生态型CBF4基因区域1034位(以GenBank登录号AB015478序列第19696位的核苷酸为1)碱基变化：GnT，引起第205位氨基酸变化：glynval。

In two patients, de novo mutations lead to an amino acid substitution.

结果表明，在两个患者的SRY基因中分别发现了新的核苷酸点突变，并都导致氨基酸替代。

To avoid the occasionality of simulating gene transfer through artificially inserting phage genes, 100 times of the transfer-and-recover experiment were repeated and arithmetic average of measurement for each genome being considered were reported to evaluate algorithm's performance.

结果显示，基本预测方法要优于目前预测结果最好的Tsirigos 等提出的基于八联核苷酸频率的打分算法，命中率的相对提高率最高达31.47%，而基于分链的方法对水平转移基因的预测取得了更好的结果。

The sequence of rDNA Intergenic Spacer Regionwas determined for the species Oscillatoria sp.. The spacer sequences was 427bp in lengh exclusive of 16S and 23S rDNA coding regions,containing a Ile tRNA gene.

采用末端终止法对蓝藻类颤藻科Oscilatoriasp.rDNA16S－23S基因间隔区进行了序列测定，获得了Oscilatoriasp.rDNA基因间隔区427个核苷酸，其中包含1个异亮氨酸tRNA基因。

Based on the analyses of the obtained sequences and the sequences from other three representative species of Oscillatoriaceae, and two species of Microcystis , the evolutionary affiliation among the genera of Oscillatoriaceae was discussed.

并通过计算机联网从国际分子生物学数据弹库中获取颤藻科其它种的rDNA基因间隔区序列，通过比较分析，从分子水平对颤藻科Oscilatoriaceae属间的某些分类学问题进行了讨论，并根据序列中核苷酸差异值探讨了颤藻科属间界定的分子标准。

(1) The serum active enzymatic of 5′-NT level was significantly correlated with types and in hepatic and gall diseases,osteal diseases.

(1) 血清5′-核苷酸酶(5′-NT)酶活性测定对诊断肝胆疾病、骨骼疾病具有重要价值。

It showed that the application of 5′-NT in acute hepatitis, live cancer and osteal diseases were significantly higher than that of controls.

(1) 血清5′-核苷酸酶(5′-NT)酶活性测定对诊断肝胆疾病、骨骼疾病具有重要价值。

Serially observed the serum active enzymatic of 5′-NT changing in process of hepatic diseases might be a biological prognostic marker, together with ALT,γ-GGT and ALP, it can be used to distinguish and diagnose most hepatic and osteal diseases.

2联合检测血清5′-核苷酸酶(5′-NT)，谷丙转氨酶和γ-谷氨酰转肽酶，碱性磷酸酶酶活性的检测有助于鉴别诊断肝脏疾病、胆道疾病和骨骼疾病。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。