查询词典 cleavage

Photoactivated cleavage of pBR 322 DNA by a series of ruthenium polypyridyl complexes has been studied. The experimental results were compared with our previous observations using spectroscopic methods and viscosity measurements.

研究了一系列钌多吡啶配合物对pBR 322 DNA 的光断裂作用，并与光谱法和粘度法的研究结果进行了对比。

We have observed the structure of these dune sands and analyzed the grain-size,surface textural features and several main chemical elements of them,the results showed that:(1) these dune sands have some eolian structure characteristics which are similar to the recent dune sands;(2) they are also similar to the recent dune sands in grain-size components,and parameters of Mz,?滓,Sk and Kg,as well as in several main chemical components;(3) the scatter plots of Mz-?滓,SiO2-Al2O3+TOFE and the probability curves of grain-size showed that these paleo dune sands are different from paleosols and fluvio-lacustrine facies but are consistency with recent dune sands;and(4) the quartz sands have well roundness and some surface textural features such as dish-shape pits,crescent-shape pits,pockmarked pits,upturned cleavage plates,siliceous precipitates and siliceous crevasses,indicating that they had been carried for a long time by the wind.

对这些沙丘砂的沉积构造观察以及粒度、扫描电镜和常量化学元素分析结果表明：(1)这些沙丘砂具有与现代沙丘砂相似的风成沉积构造特征；(2)粒度及其参数--Mz、σ、Sk和Kg，以及主要化学组分SiO2、Al2O3和TOFE也与现代沙丘砂相近；(3)Mz-σ、SiO2-Al2O3+TOFE散点图和概率累积曲线显示这些沙丘砂与萨拉乌苏组中的河湖相、古土壤差别明显，而与现代沙丘砂一致；(4)石英砂颗粒具有良好的磨圆以及碟形坑、新月形坑、麻坑、上翻解理薄片、硅质沉淀和硅质裂纹等表面结构特征，反映其曾受持久的风力搬运作用。

MAIN OUTCOME MEASURES: The microstructure, mechanical strength in wet state, stability properties resistant to thermal cleavage and biodegradation before and after crosslinking were analyzed.

主要观察指标：胶原交联前后显微结构、缩水温度、膨胀动力学特征以及抵抗降解能力。

It has been found that they also participate in a lot of other cellular processes such as editing, tRNA maturation and transfer, RNA cleavage and function as cellular factors.

已经发现氨基酰-tRNA合成酶还参与大量的其他生命过程，如编校、tRNA的成熟与转运、RNA的剪切、细胞因子等功能。

It effectively targeted the messenger RNA for a protein known as T antigen, leading to its cleavage.

SV40也许是人类科学家研究的最多的病毒，& Sullivan说。&

They are currently continuing to investigate other novel reactivities promoted by this simple system, including C-C bond cleavage and oxidative amide bond formation chemistry.

团队正在继续探索该体系的详细反应机理及其催化的其它新奇化学反应性能，已经发现的包括C-C键选择性裂解反应和酰胺氧化反应。

N-terminal analysis showed that the signal peptide had been removed indicating that the insect cells posses the enzymatic activity necessary to cleave the pro-α-factor leader region from the fusion protein at the carboxy side of Lys-Arg dibasic residues, which is the cleavage site recognized by KEX2 endopeptidase in yeast cells.

该位点在酵母细胞中是由KEX2基因编码的内肽酶切割的。

From the cleavage site of the T-DNA borders, no truncations occurred for nine left borders, most of the left borders deleted less than 35bp and most of the right borders truncated to 21bp.

从缺刻位置开始，大部分左边界的缺失少于 35hp，大多数的右边界序列缺失为 21hp。

The results showed that truncations of T-DNA borders, insertions of filler DNA and the formation of inverted and direct repeat occurred during T-DNA integration. From the cleavage site of the T-DNA borders, no truncations occurred for nine left borders, most of the left borders deleted less than 35bp and most of the right borders truncated to 21bp.

分析了233个T-DNA左边界和190个T-DNA右边界与水稻基因组交接位点的序列，结果表明T-DNA在整合过程中不仅伴随着左右边界序列的缺失及&filler DNA&的插入，而且还以单拷贝或多拷贝的形式插入在基因组中的同一个位点。

The attack causes the cleavage of P-S double bonds, then the decomposition products reacting with the surface of Fe metal lead to the formation of the anti-wear and anti-friction film largely composed of polyphosphates and sulphides.

计算表明二烷基二硫代磷酸锌的活性元素为6位和7位硫原子，其与铁发生摩擦化学反应时，最可能的断键位置是6位和7位硫原子的双键。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。