Only low-molecular-weight poly ac id can be derived by the direct condensation of lactic acid.

This paper reporfed a simple method for preparation of low molecular weight pig thymosin.

本文报导了以猪胸腺为原料制备低分子猪胸腺素的简便方法.

Opinion is divided as to the optimal regimen for low-molecular-weight heparin in pregnant women.

关于妊娠妇女中低分子量肝素的理想使用方案,意见还有分歧.

Tetradecyl acrylate was synthesized using low-molecular-weight chitosan phosphotungstate as catalyst by microwave irradiation.

采用微波辐射技术,以低聚壳聚糖磷钨酸盐为酯化反应催化剂合成了丙烯酸十四酯.

When network is in low load, the performance is the same as the original access mechanism.

当网络是在低的负荷中的时候, 表现是相同于最初的通路机制.

There's a phenomenon of big peak and-peak difference and low load rate in Yingkou region.

营口地区现行大工业电价的不完善使特殊行业用电负荷曲线出现大峰谷差、低负荷率的现象.

In tidal ports, depths are almost always calculated with the lowest low line as zero line.

在潮汐式港口, 将最低水位计作零水位.

Chris is such a low-life. He sleeps on the park bench and drink booze all day.

克利斯真是落魄潦倒. 他睡在公园板凳上而且整天喝酒.

He then failed investment, fall into the low life.

随后,他投资失败, 跌入人生低谷.

The banana is a typical hi potassium crops, in some areas the low K had affected the growth and quality seriously.

而香蕉是典型的喜钾作物，某些低钾地区已经严重影响其生长和品质。

The synthesis, structure, properties and process interaction of low k dielectrics are reviewed. Characterization techniques for low k dielectric films are summarized.

综述了低介电常数介质薄膜的制备方法、结构与性能表征、工艺兼容性等领域的最新进展。

Nowadays, in the manufacturing of microelectronic components fluorocarbon plasma was widely used in low K a-C: F: H film deposition and the etching of SiO_2, Si and other related materials.

目前，碳氟等离子体被广泛用在器件的微细加工过程中，如沉积低介电常数的氟化非晶碳薄膜，刻蚀SiO2、Si以及其它相关材料。

The difference among mineral K absorption proportion of wheat genotypes under low K condition is greater than that under high K condition.

在低钾条件下，吸收矿物钾量的比例差异大于高钾条件下吸收的矿物钾比例。

The achievements to research the 65 nm/ 45 nm technology, the 157 nm F2 stepper technology, high k and low k insulating material are introduced in this paper.

介绍了65nm/45nm工艺的研究成果、157nmF2stepper技术、高k绝缘层和低k绝缘层等技术。

Chlorophyll content per unit area of the flag leaf of low K treatment was slightly higher than that of middle and high K treatments, but the former decreased rapidly along with maturity and senescence of the leaf.

试验结果：（1）低钾叶片的叶面积减小而比叶重增高，抽穗后剑叶单位面积的叶绿素含量在前期稍高于施钾处理，但随着叶片的成熟与衰老其含量即迅速下降；

The results indicate that these mutated genes may be involved in different signaling pathways in plant responses to low K~+ stress.

这一现象暗示不同的突变基因可能处于不同的信号转导途径中，它们对植物钾营养进行调节的方式可能不同。

Some root morphological parameters, root activity and yield of 94065-2 were superior to those of 95137 under low K stress.

结果表明：低钾条件下，94065-2在部分根系形态参数、根系活性及生物学产量方面均显著优于95137；

High Na and low K intakes are specific defects of Chinese diets.

高Na低K一直是我国膳食的缺陷；

In low K value area, the little deformation will lead to bad permeability.

层K值低的地区煤层变形弱，裂隙相对不发育渗透性差。

N, P, K uptake and utilization of rice and kinetics of soil available N, P, K under different low K stress conditions embedded in a long term site specific fertilizer K experiment ( 1998-).

在长期定位钾肥试验的基础上，不同钾胁迫条件下，水稻对氮、磷和钾的吸收和利用效率以及土壤有效氮、磷、钾养分的动态变化（2002，晚稻）。

There are two pairs of competitive factors in the F doped porous low k silicamaterials: porous and mechanical strength, porous and electrical property.

在低k的多孔掺F氧化硅材料当中，存在着两对竞争因素：多孔与机械强度，多孔与电学性质。