查询词典 concentration on

2Predialysis plasma FC concentration in dialyzed patients was much lower than that in normal subjects and undialyzed patients(P.01),postdialysis plasma FC concentration was significantly lower than predialysis concentration(P.001). There was a 70%decline in plasma FC concentration during one hemodialysis session.

2尿毒症血透患者透前血浆FC浓度明显低于正常人和保守治疗患者(P.01)，透后浓度显著低于透前(P.001)；一次血透后浓度下降70％。

In this article, the factors that affect molecular weight and solubility of polyacrylamide are studied and suitable initiator system is selected. The optimum parameters of copolymerizing process are obtained as follows: the molar proportion of acrylamide and sodium acrylate is 7:3, the monomer concentration is 30%, pH value of solution is 12, the oxidizer (K2S2O8) concentration is 0.1%, the reducing agent (NH2CONH2) concentration is 1%, the chain-transfer agent concentration is 0.4%. The initial reaction temperature is 35℃.

讨论了影响聚丙烯酰胺分子量和溶解性能的因素，选取了合适的氧化-还原引发体系，确定了制备超高分子量速溶型部分水解聚丙烯酰胺的优化聚合工艺参数：起始共聚合反应温度为35℃，保持在密闭条件下的共聚合反应2.5h后，再将聚合反应温度升高到55℃，继续反应2h，反应结束；反应溶液单体总浓度：30％，共聚合反应溶液pH值：12，氧化剂K_2S_2O_8：0.1％，还原剂NH_2CONH_2：1％，共聚合反应中两种单体的投料比：丙烯酰胺：丙烯酸钠=7：3，异丙醇链转移剂：0.4％。

Then in another tower, of which the height was 1.6m and the inner diameter was 20mm, the pentanol mixture was exactly rectified. The influence factors on separation effect, for example, the material concentration, evaporation velocity, circumfluence rate.etc, were studied and a set of separation system about salt-out -exactitude rectify was upbuilt. The result showed: when the material concentration was 60%, we got our product, 2-methyl-1-butanol, with the concentration over 99% and the top quality recovery over 82.7% which would increase as the material concentration did.

在高1.6m，内径为20rnm的精馏塔内，对戊醇混合物进行精密精馏，研究了原料浓度、蒸发速率、回流比等因素对分离效果的影响，建立了一套盐析-精密精馏的分离体系，结果表明：原料中2-甲基-1-丁醇浓度60％时，得到的2-甲基-1-丁醇产品浓度在99％以上，最高收率达82.7％以上，且随着原料浓度的增加而进一步增大。

The activity of SOD increased under lower salt concentration and then maintain steady with increasing salt concentration, whereas that of CAT decreased under lower salt concentration and then increased quickly with increasing salt concentration.

结果表明：随盐浓度的增加，海滨锦葵叶片丙二醛的变化呈现出先高后低的趋势；超氧阴离子自由基的产生速率急剧增加，然后迅速减少；显示出在高盐胁迫下海滨锦葵的叶片膜脂过氧化程度得到了有效的抑制。

The gas solid interaction was studied, the solid concentration and particle size distribution contours downstream of the nozzle were obtained. The particle roping mechanism in a coal conveying pipe with large diameter was also studied with the fiber probe. The on-line coal concentration measuring facility is needed for NO〓 reduction. In this work, a set of on-line coal concentration measuring facility was developed and installed in the coal conveying pipes of a 660MW capacity utility boiler, which can give on-line accurate coal concentration information for the operator.

论文首次采用基于光学波动法的激光光纤探针，对高浓度的低NO〓燃烧器出口的气固两相流动的详细结构进行了试验，研究了配300 MW煤粉燃烧锅炉的燃烧器出口高浓度气固相射流中颗粒浓度、粒度随射流发展的演变规律，分析了利用水平浓淡燃烧器和齿形燃烧器实现对低NO〓燃烧有利的气固结构，并验证了基于DES方法的气固两相数值模拟的计算结果。

In applying high concentration burning technique to improving burning efficiency for pulverized coal burner, for studying the effect of solid flows of different concentration on burning, Euler mathematical model is set up using gas-solid two phase flow theory. The paper describes the low concentration pulverized coal in horizontal primary air pipe. The relationship between the velocity and concentration of gas phase and that of solid phase, and the effect of gas flow velocity on gas-solid two-phase flows, is arrived through calculating the flow field. Reasonable gas flow velocity is proposed.

在应用高浓度燃烧技术提高煤粉炉的燃烧效率时，为了研究不同浓度固相流动对燃烧的影响，应用气固两相流理论建立Euler数学模型对一次风水平管道中低浓度的煤粉颗粒进行了描述，通过求解流场，得到了管内气相和固相的速度和浓度的分布关系，及其气体流速对气固两相流动的影响，并提出合理气流速度。

The absorption coefficients of these two high concentration EDFs reach 66.3dB/m and 59.5dB/m at wavelength of 1530nm respectively, Short cavity ring structure high concentration EDF lasers with these two high concentration silica host high concentration EDFs were presented.

利用这两种石英基高浓度掺铒光纤，采用环形结构制作出了短腔的光纤激光器，光纤激光器中铒光纤长度分别仅为30cm和90cm。

Experimental results indicate that about the results of flux, the flux of the mixed solution of amino acid and BSA doesn't have a significant influence with changing pH value, but it increases with the cross flow rate due to the resistance of concentration polarization layer decreases with increasing cross flow rate. The flux of BSA solution decreases with increasing concentration due to the resistance of concentration polarization layer increases with increasing concentration.

实验结果显示，滤速方面，胺基酸与BSA混合水溶液之滤速随pH値的改变并无明显的变化；但随扫流速度的增高而些许增加是由於增加扫流速度会增加膜内流体的扰动，减少浓度极化层阻力； BSA溶液之滤速随著浓度的增高而减少是由於浓度极化层阻力随著浓度增高而增加。

Result］High concentration of leachates had significant inhibitory effects,but low concentration of leachates had no obvious effects in the initial stage and later stage after treatment.Low concentration of alcohol leaching liquor might had stimulating effects on SOD active.Water leaching liquor had no obvious effects,but higher concentration of alcohol leaching liquor had significant inhibitory effects on root vigor.

结果］在油松针叶水提液和醇提液处理后的初期（10 d）和后期（30 d）的抑制作用仅在高浓度处理；低浓度醇提液对草坪草'抢手股'SOD活性可能有促进作用；水提液对根系活力没有明显的影响，较高浓度的醇提液对根系活力有明显的抑制作用。

At concentration of 2% PEG8000, 30% microsomal protein containing 10% of total P450 was precipitated. At concentration of 5% PEG8000, 55% microsomal protein containing 20% of total P450 was precipitated. At concentration of 8% PEG8000, 78% microsomal protein containing 30% of total P450 was precipitated. At concentration of 11% PEG8000, 85% microsomal protein containing 70% of total P450 was precipitated.

当PEG的浓度为2％时，约30％的微粒体蛋白和10％的P450被沉淀；PEG为5％时，约55％的微粒体蛋白和20％的P450被沉淀；PEG为8％时，约78％的微粒体蛋白和30％的P450被沉淀；PEG为11％时，约85％的微粒体蛋白和70％的P450被沉淀。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。