查询词典 feature concentration

The influences of technic conditions of preparation, such as concentration of sodium silicate, concentration of vitriol, reaction temperature and cocurrent time were studied by orthogonal design experiment.

利用正交设计安排实验，采用并流法制备沉淀二氧化硅，研究实验制备工艺条件硅酸钠浓度、硫酸浓度、反应温度和并流时间对沉淀二氧化硅的BET比表面积的影响。

This paper researched cabbage of Cruciferae colewort by planting cabbage in soils which were polluted by cadmium of different concentration. We analyzed poison of cabbage which was polluted by cadmiums in different concentration by using OCT machine system to measure cabbage lamina and observing physical change of fabric of cabbage, and confirmed the characteristic of Cadmium circulation of supergenic geochemistry accordingly.

本文主要以十字花科芸苔属植物甘蓝为研究对象，通过在不同浓度的受镉离子污染的土壤中进行种植，观察甘蓝组织结构物理表征变化，并应用光学相干层析成像系统（Optical Coherence Tomography，OCT）对甘蓝叶片组织样本检测其变化情况，从而分析得出不同镉离子浓度对甘蓝的累积毒害作用以及镉的表生地球化学循环特点。

The paper has experimentally studied the explosive limit ed oxygen concentration and critical oxygen concentration of effect of coal mine combustive gases.

目前对可燃性气体的临界氧浓度的研究大多数都是对单元气体进行的，通过对煤矿可燃性气体的爆炸极限氧浓度和临界氧浓度进行的实验研究，对煤矿可燃性气体临界氧浓度的影响因素进行了分析，得出的数据及结论为煤矿瓦斯的安全防爆工作提供了理论基础。

Upon completion of examination, MOFCOM compressively assessed this concentration and determined the adverse impacts caused by this concentration as follows

审查工作结束后，商务部依法对此项集中进行了全面评估，确认集中将产生如下不利影响

When the concentration of MAH is higher than that of St, some MAH monomer reacts with St to form SMA, others can directly grafts onto PP macroradicals. When the amount of St added is higher than that of MAH, part of St monomer may preferentially react with PP macroradicals to form more stable styryl macroradicals, while others copolymerize with MAH, yielding SMA. MFR of the grafted PP is lower in this case. It is considered that MFR of the grafted PP is decided by concentration of free monomers, or, number of grafting reactive species. FTIR analysis confirmed the above mechanism.

当MAH单体用量多于St单体时，一部分MAH单体与St反应生成SMA，另一部分可直接与PP大分子自由基进行接枝反应；当St单体用量多于MAH单体时，除与MAH反应生成SMA之外的St单体可先与PP大分子自由基反应，并起到稳定PP自由基的作用，这时接枝物的MFR较小，亦即接枝物的MFR与体系中可进行接枝反应的活性种数目有关。

First, we found that after exposure to 60℃ for 5 and 30 min ,culturable L. pneumophila concentration reduced 4 and 6 log CFU/mL, and the loss of cell membrane integrity was 56 % and 83 %, respectively. However, the total concentration was not affected. These results indicate heat exposure decreases the culturability of L. pneumophila significantly.Second, heated L.

结果显示，退伍军人菌（108 cells/ml）於60℃受热5分钟与30分钟后，可培养浓度分别下降了4 log CFU/ml与6 log CFU/ml，而细胞膜完整性则分别下降56 %与83 %，但未造成总细菌浓度之改变，故可知受热60℃主要影响细菌的可培养性。

At a concentration of 10~(-7) M/10~6 cell, cUMP elicited an increase of cGMP level by 38.3％(p.005), without affecting the concentration of cAMP.

在10~(-7)M/10~6细胞cUMP作用下，胞内cAMP水平几乎没有变化，而cGMP水平升高38.3％(P.005)。

For Teflon PCB, pyrolysis gas contained high concentration of octafluoro- cyclobutane and low concentration of small molecular fluorocarbon-hydrogen compounds.

Teflon热解气体产物主要为八氟环丁烷以及其他小分子碳氟氢烷烃化合物。

Results; It was observed that Cynanchum paniculatum aqueous extract could inhibit the growth of Bel-7407 cell strains when its concentration was 80g/L and 40g/L. When the concentration was in vitro 20g/L and 10g/L, it had no conspicuous inhibition.

结果：徐长卿水提物浓度为80g/L和40g/L时，能使Bel-7407细胞的生长受到抑制，20g/L和10g/L时对细胞增殖没有明显的抑制作用。

A one-year investigation on the N and P concentration and accumulation of Cyperus malaccensis in the wetlands of Minjiang River estuary showed that the N and P concentration of C.

对闽江河口湿地优势植物短叶茳芏N、P养分含量与积累量进行了1年的监测。

Some of them were ligated to the plasmid vector pCR 2.1 andsequenced,respectively.

将所获DNA片段克隆到pCR2.1载体进行测序，并与基因组数据库进行同源性比较。

Thinking since Google owns Blogger, I would be able to escalate this issue to the support team.

自谷歌的思考拥有Blogger的，我将能够缓解这一问题的支持团队。