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The mass concentrations of sodium hydroxide,cetyltrimethyl ammonium bromide,sodium citrate and glycerin in the aqueous stripper are 90~100 g·L-1,10 g·L-1,10 g·L-1 and 10 g·L-1,respectively.

该脱漆剂以氢氧化钠水溶液为主体系,其中氢氧化钠的质量浓度为90~100 g.L-1,溴化十六烷基三甲基胺的质量浓度为10 g.L-1,柠檬酸钠的质量浓度10 g.L-1,甘油的质量浓度

In this paper, basing on the investigation on the condition of house decoration and indoor air pollution in city dwelling houses in Wuhan, we concluded the general characterization of indoor air pollution in Wuhan . It is listed as following: The indoor formaldehyde concentration exceeds the requirements of standard among 80 percent of the newly decorated houses. The benzol concentration of some exceeds the requirements of standard.

本文首次对武汉城市住宅进行了较大范围的室内装修情况及室内空气污染现状调查,总结出武汉城市住宅室内空气污染的总体特征:新装修住宅80%存在室内甲醛浓度超标问题;少数(大约10%)存在苯浓度超标问题;氨浓度和氡浓度均没有超标。

The resultsshowed that CAs and CaMAs could both enhance the intracellularDoxorubcine level and decrease the membrane P-Gp expression of K562/VCRcells,indicating there existed significant difference with the control group(P<0.01).And the changes of the intracellular Doxorubcine concentrationinduced with CAs and CaMAs had positive dose-responses relationship withCAs and CaMAs concentration in K562/VCR cells(P<0.01),while thechanges of membrane P-Gp expression had no dose-responses relationshipwith CAs and CaMAs concentration in K562/VCR cells.

结果表明:CAs或CaMAs既能提高K562/VCR细胞内Dox的浓度,又能降低K562/VCR细胞膜P-Gp的表达,与对照组相比,存在着明显差异(P<0.01);CAs和CaMAs各浓度间引起的K562/VCR细胞内Dox浓度的变化也存在着明显的差异(P<0.01),呈正的量效关系;但CAs和CaMAs各浓度间引起的P-Gp表达的变化无明显差异。

The columna soil study showed that strain NBT had the ablity of potassiumuptake ,making losed potassium from the soil inoculated with the bacterium wasdecreased by

通过土柱试验发现,硅酸盐细菌NBT菌株还具有保钾功能,供试土壤接菌处理后的土壤滤液中流失的钾比对照减少35.5-56.5%,经方差分析,差异达显著水平;另外,硅酸盐细菌NBT菌株与农药的相容性试验表明,无论在大田农药施用浓度和残留浓度内的丁草胺、绿黄隆、三唑酮粉、多菌灵、马拉硫磷等农药对NBT菌株没有抑制作用;乐果、甲基1605在大田施用浓度下,对NBT菌株有一定抑制作用,而在残留浓度下,对NBT菌株无明显抑制作用。

In batch cultures, glucose, xylose and arabinose in cornhusk dilute acid hydrolysate after detoxification were consumed by Actinobacillus succinogenes NJ113, when the total sugar concentration was 50 g/L in medium, the final succinic acid concentration of 34.2 g/L was obtained, resulting in a succinic acid yield of 0.68 g/g and a succinic acid productivity of 0.83 g/. When the total sugar concentration was 68.2 g/L in medium, the succinic acid concentration was 42.3g/L, the yield was 0.62g/g, and productivity was 0.98 g/.

经过脱毒处理后,产琥珀酸放线杆菌 NJ113均能利用水解液中的葡萄糖、木糖、阿拉伯糖,培养基总糖浓度为50 g/L时,丁二酸分批发酵的质量收率可达0.68 g/g,浓度可达34.2 g/L,生产强度达0.83 g/,总糖浓度为68.2 g/L时,丁二酸质量收率仍可达0.62 g/g,浓度42.3 g/L,生产强度0.98 g/。

It is found that many ripples of membranes emerge in the myelin, which is called the crimple myelin.

初始浓度低于生理盐浓度的水合溶液中,屏蔽效应对浓度变化非常灵敏,因此,myelin的稳定时间较短而且回缩速率较快。3对于能够稳定存在的myelin结构,采用自然蒸发与微操注射两种方法,人为调节其周围的盐浓度,实验发现,myelin内部将出现波纹样皱褶,我们称之为myelin的起皱现象。

It was shown that upon addition of sodium dodecyl sulfate to solutions of crystal violet in the same concentration, making a series of solutions with graduation of concentration of SDS, a gradual decrease in absorbance at the abs.

浓度相同的结晶紫溶液中,加入不同浓度的十二烷基硫酸钠组成一系列含有相同浓度CV和不同浓度SDS的混合溶液。

While it has also given the granule diameter distribution curve of different types of starch.

结果表明:随着淀粉乳浓度的增加,FBRM测得的淀粉颗粒粒径呈现先增加后减小的趋势,当浓度达到10%时,粒径大小趋于稳定;在高浓度淀粉乳中,搅拌速率对淀粉颗粒粒径的影响较为显著,在低浓度淀粉乳中,则没有显著的影响;采用浓度小于50%的乙醇和异丙醇以及高于75%甘油作为介质时,可以得到较为稳定的粒度分布;不同种类淀粉颗粒的粒径分布曲线趋势不同。

The main work can be summed up as follows: Firstly, we studied the thermal-field properties of VCSELs, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. Secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of VCSELs, and then studied the influences of the oxide-confining region with different position or thickness, and the different sizes of the gain-guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. Thirdly, we realized the coupling of electricity, optical and thermal-fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, Fermi levels and optical-field. Finally, we gave the equipotential line distributions with considering N-DBR and double oxidized-confining regions, and analyzed theinfluences of N-DBR and double oxide-confining regions on the distributions of the current density, carrier concentration, temperature and optical-field.

具体工作可以概括如下:首先,研究了VCSEL的热场特性,分析了电流扩展,材料参数和工作条件对于温度分布的影响;其次,从电极电压入手,计算出激光器中的等势线分布,并对不同深度处的电压和电流分布进行比较,研究了高阻区的不同位置和不同厚度、限制层和出射窗口半径的大小对电流密度、载流子浓度和温度分布的影响;再次,实现了电、光、热耦合,求出了阈值电压,计算了不同偏置电压下的电流密度分布、载流子浓度分布和热场分布,分析了温度和载流子浓度变化对折射率、费米能级和光场的影响;最后,给出了考虑N-DBR和双氧化限制层时激光器中的等势线分布,分析了N-DBR和双氧化限制层对VCSEL电流密度、载流子浓度、温度和光场分布的影响。

Bimolecular rate constants to DDVP, eserine, omethoate, methomyl and propoxur of resistant housefly were lower than that of the susceptible strain, which were 26.51, 7.80, 7.70,12.54 and 22.48 times, respectively, in comparison with the susceptible strain, indicating the enzyme was insensitive to these insecticides.

不同浓度的DDVP、毒扁豆碱和残杀威对家蝇AChE的抑制作用表明,随着DDVP和残杀威浓度升高,AChE的残存活性降低较多,抗性家蝇AChE的残存活性高于敏感家蝇,而随着毒扁豆碱浓度的增加,AChE残存活性降低较少,并且当毒扁豆碱浓度很低时,在一定范围内,敏感家蝇AChE的残存活性高于抗性家蝇。

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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