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concentration of相关的网络例句

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The abscissa of the concentration convergence equals to the changes in the desorbed free energy of 1mol pure organic solvent, while that of carbon number convergence equals to the negative free energy change of its end group of the homologue, when the concentration of organic solvent is one tenth in the mobile phase.

浓度收敛点的横坐标是1mol纯溶剂的解吸附自由能;而碳数收敛点的横坐标为当流动相中有机溶剂的浓度为纯有机溶剂浓度的十分之一时的同系物端基的保留自由能的负值。

It was shown that the improvement of electric properties in 1%Eu-PZT can be attributed to Eu donor doping, which decreases the concentration of defects such as oxygen vacancies and holes, while the degradation in fatigue and leakage current properties shown in the films with more than 1mol% Eu dopant results from the apparently dominant acceptor doping, which increases the concentration of oxygen vacancies and holes.

结果表明,1mol%Eu施主掺杂,可以减少氧空位以及空穴等缺陷浓度,因此1%Eu-PZT薄膜的极化疲劳和漏电流特性得到明显改善;高于1mol%Eu的受主掺杂作用使薄膜中氧空位以及空穴等缺陷浓度增加,导致PZT薄膜电学性能恶化。

The concentration of antibody is 1:600,the 1:400 dilution of antigen is 160 mU/mL,the suitable resule of enzyme is 1:3000.The range of the kit is 5~160 mU/mL,sensitivity is 0.46mU/mL,recovery of the high and low concentration are 106.74%and 104.78%,accuracy rating is 38.982mU/mL,stability is perfect, variation is less than 15%.

本试剂盒的范围为5~160 mU/mL,足以包含正常范围6~25mU/mL;灵敏度为0.46mU/mL;高浓度样品平均回收率为106.74%,低浓度样品平均回收率为104.78%;准确度为38.982mU/mL;稳定性良好;精密度实验结果显示,批内变异<10%,批间变异<15%。

It wasfound that the kinetics formulas of these photo-polymerization systemsdeviated from the normal kinetics formula sharply and there existed acritical concentration of 〓, the reaction rate would descendwhen the concentration of 〓 exceeded it.

我们发现这些光聚合反应的动力学方程与正常的动力学方程偏离较大;并首次报道了当〓的浓度达到某—临界值时,反应速率随着〓浓度的上升反而下降的现象。

To decrease maufacture costs and improve the ratio of efficiency and outlay.The not exensive emulsifier, hydrophobe and other adminicle were mixed with self-made polyesters, siloxane-polyester copolymers to obtain defoamers which be better than imported.And the factors in the process of compound were studied particularly and systemically.the prime project is as follows:the siloxane-polyester copolymer is synthesized with PPG2000,PEG400,1% hydrogen-containing Polyhydrosiloxanes, hexane diacid,which mol ratio of materials is 7:3:6:5.emulsifying agents are SP-60 and tw-60,the value of HLB is 8.5.its dosage is 5%.the concentration of control- bubble resin is 5%. the concentration of liquid hydrocarbon A is 20%.

为进一步降低消泡剂的生产成本,提高其使用时的效费比,采用价格低廉的乳化剂、疏水剂及其他助剂与所制聚醚酯、有机硅改性聚醚酯进行复配,制取了性能优于进口产品的优质消泡剂;并对复配工艺各要素进行了详细、系统的研究;最佳配方为:PPG2000、PEG400、含氢量1%的硅油,己二酸以物质的量之比为7:3:6:5制成的有机硅改性聚醚酯,乳化剂选择SP-60/TW-60组合、HLB值为8.5、用量5%,抑泡树脂用量5%,液态烃A用量20%,液态烃B用量10%,疏水剂用量15%~20%。

The effects of the type and concentration of alkaline-earth metal ions are systemically investigated on removing OH groups of erbium-doped phosphate glasses, by using fluoresent lifetime of erbium-doped phosphate glasses varying with OH concentration.

以掺铒磷酸盐玻璃中铒离子寿命随OH含量变化为依据,系统研究了碱土金属离子类型和含量对磷酸盐铒玻璃除水性质的影响。

This study analysised the condition of Xinjiang's petroleum resource and made an evaluation and it points out that the development of petroleum and natural gas of Xinjiang is still in the developing period in which it aims at discovering the petrol field and increasing its reserves.Although it has a great exploring potential,because of its geograghy limitation and a lack of exploring funds,the exploring level is till low,even lower than the everage level of the whole country. The study is based on theories of industry distributions,its concentration,macroscopic analysis,government regulations and continuing development.From microcosmic and macroscopic aspects,it scientifically and systematically analyses the problems in the development of petroleum industry in Xinjiang.It points that the developments of middle and upper reaches lack a balance and have no rational industry structures.So it is hard to form an integral industry chains.Moreover,the upper reach covers a too much large proportion in the development,so it can not give a strong impetus to other industries.Based it,the paper points the industrial concentration of Petroleum Chemical Products Manufacture of Xinjiang should be enhanced and Input to Petroleum Chemical Products Manufacture of Xinjiang should be increased.Due to a lack of an established fair and competitive market and government's perfect laws and regulations on petroleum industry,it points that the phenomenon of mixed operation has become common in monolopied business and competitive business,so the systems of petroleum industry needs to be restructured.It states clearly that the country should take the development and benefits of Xinjiang's economy into consideration when making strategies for petroleum development .Besides,the allocation of profits between the center and the local should be well arranged so that we can guarantee the profits of Xinjiang ,considered as a resource area.It also reveals that we should not only overcome limitations of resources,environment,economy and technology on continuring development,but also we should deal with some realistic problems well.For instance,contradictions between the concept of limited resource and continuing development,the relationship between petroleum industry's own features and continuing development,the contradictions between the limits on supply of petroleum and the need of future development of continuing resource ,outdated petroleum technology and the need of advanced technology for continuing development,tremendous damages to environment and requirements of environment protection for continuing development and Xinjiang continuing economic development,outdated policy of industry and continuing development,the relationship between continuing development of Xinjiang petroleum industry and continuing economic development of Xinjiang.

本研究以产业布局理论、产业集中度理论、灰关联分析理论、政府规制理论、可持续发展理论为依据,从微观、宏观两个层面,科学、系统、全面地分析新疆石油产业的发展问题,指出:新疆石油天然气目前仍处于油气田发现和增储的主要发展阶段,开发潜力巨大,但由于地质原因及勘探投入的不足,石油天然气探明程度偏低,低于全国平均水平;新疆石油产业产业结构布局不合理、上中下游发展不平衡,难以形成完整的产业链条,对工业的带动力与其本身具有的经济总量很不匹配;新疆石油开采业和石油加工业属于高度寡头垄断的市场类型,新疆石油化工业属于竞争型的市场结构,要想石油产业对新疆经济有较强的带动作用,新疆石油化工业必须上升到一定的层次和规模,在提高规模的基础上,提高新疆化工业的产业集中度;新疆石油加工业和化工业与农业呈现较高的关联度,加大对石油加工业和化工业的投入,对新疆经济的协调发展有着深远的影响;政府要从石油产业本质特征和发展趋势为着眼点,实施规制改革,分开政府规制政策的制定部门和监管部门职能,建立健全石油产业法律法规体系,对垄断性业务和竞争性业务实施分类规制;国家石油发展战略的制定应兼顾新疆区域经济的发展和利益,应切实处理好新疆与中央的利益分配,切实保证新疆作为资源产区合理的资源收益;新疆石油产业要想得以可持续发展,不仅要克服影响可持续发展的资源、环境、经济和技术等客观因素,还要处理好观念、需求、政策等诸多主观因素。

When the concentration of Mn(superscript 2+) in the nutrient solution was 1.0×10^(-5) mol/L, the root activity and the content of aloin and aloe-emodin were the highest. The content of Mn(superscript 2+) in the Aloe barbadensis Mill. increased as the concentration of Mn(superscript 2+) supplied improved.

当营养液中Mn(上标 2+)浓度为1.0×10^(-5) mol/L时,芦荟根活力最高,芦荟苷和芦荟大黄素含量也最高;随着供Mn(上标 2+)浓度的提高,芦荟体内Mn(上标 2+)含量不断增加。

Livestock wastewater contains not only high concentration of organics, but also amino acid. This paper studied efficiency of UASB applied in such wastewater, and the influences of environmental and operation conditions on ammoification rate were analyzed. Results show that suitable pH for the bacterium had a wide range from 6. 5 to 8, and pH 7 was the best. A positive correlation was between temperature and ammonification rate, while 38℃ was prefered from an economic point of view. Ammonification rate increased with the influent concentration of increase while there's a contrary situation when the organic load increase.

因畜禽废水除了含有大量的有机物,还含有一定量的氨基酸,因此,研究利用UASB处理畜禽废水,在不同环境条件和工况条件下对氨化率的影响,结果表明:氨化菌适应的pH值范围较宽,在6.5~8.0范围均可以较好的生存,其中以7.0为最佳;温度与氨化率基本成正相关关系,从经济等多种角度考虑,中温阶段38℃为最适宜;氨化率随进水浓度的增加而增加;进水有机负荷越大,氨化率越小。

Adjusting pH to 12, air-liquid ratio to the range of 3 000~4 000 and temperature to the range of 35~45℃, after the washing wastewater from deposited ammonium carbonate that the initial concentration of ammonia nitrogen was 1 570 mg/L was treated by ammonia stripping, the residual concentration of ammonia nitrogen was controlled to below 100 mg/L and removal efficiency reached to over 94%.

发现pH、温度和气液比是氨氮去除效率高低的关键因素,废水初始浓度对去除率无影响。调节废水pH=12,气液比在3 000~4 000,温度在35~45℃范围,浓度为1 570 mg/L的碳铵沉淀洗涤废水经氨吹脱处理可使出水残余氨氮浓度控制在100 mg/L以下,去除率达94%以上。

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