查询词典 primal solution

Sodium fatty alcohlo ether sulfate, S-80, fatty alcohol-polyoxyethylene ether and S-60 resulted in slow photodecomposition of rotenone in aqueous solution revealing a photo-extinction effect, sodium dodecylberzenesulfonate, tween-60, hexadecyl trimethyl ammonium bromide and poyl vinyl pyrrolidone made the photolysis of rotenone in aqueous solution fast showing an obvious photosensitized effect.

室内条件下研究了鱼藤酮水溶液存在不同表面活性剂时，鱼藤酮的紫外光降解，结果表明：脂肪醇聚氧乙烯醚硫酸钠、司本－80、长链脂肪醇聚氧乙烯醚和司本－60对鱼藤酮在水溶液中的光解速率表现出显著的光猝灭降解效应；十二烷基苯磺酸钠、吐温－60、十六烷基三甲基溴化铵和聚乙烯吡咯烷酮对鱼藤酮在水溶液中的降解表现出一定程度的光敏化作用。

[Cu2(H2O)4]2 was prepared by the reaction of aqueous 1,2,4-triazol-5-one solution with the solution of copper picrate Cu2 and characterized by elemental analysis, FT IR and X-ray powder diffraction analysis.

本文通过1，2，4-三唑-5-酮水溶液与苦味酸铜水溶液反应，制备了[Cu2(H2O)4]2，用元素分析、傅立叶变换红外光谱分析、X-射线粉末衍射分析对其结构进行了表征。

Regarding to the multi-granularity of and analysis demand of stock index futures transaction data, this article proposed a classification method based on support vector machines. Tangent plane solution of support vector machines is established by introducing geometrical solution. Therefore, investors can be classified based on straightforward transaction data.

针对股指期货成交数据的多粒度性以及成交数据分析的需求，本文提出在解决噪声、多粒度数据分类问题方面有突出优越性的支持向量机分类方法，引入几何求解方式，提出了支持向量机的切平面解法，根据成交数据直观地对投资者进行分类。

The research results also pointed out that the complex compound of iodine and amylum is not stable, and has a regular fadding process; the concentration of phosphate buffer solution has a serious inffluence on the fadding effect of the extractive solution of plant leaves.

取一定部位的功能叶，用打孔器取40个叶圆片，研磨加水后离心制得植物材料提取液，取一定量上清液加到3ml含有碘、叠氮化钠和淀粉试剂的反应混合液中，30秒后测定1分钟内吸光值的变化量。

A SiC-AlN solid solution whisker with the polytype of 2H was firstly produced with the solid solution SiC powders at 1900℃ in the atmosphere of Ar.

并以此SiC固溶体粉为原料，在1900℃氩气环境下首次制备出了2H型SiC-AlN固溶体晶须。

According to the invention, a base polymer which is produced on the basis of a monomer including up to at least 50 % neutralised acid groups is mixed with a first aqueous solution containing at least one surface secondary crosslinker and with a second aqueous solution containing at least one polyvalent cation, and is thermally treated.

根据本发明，使基质聚合物与含有至少一种表面二次交联剂的第一水溶液和含有至少一种多价阳离子的第二水溶液混合，并热处理，其中所述基质聚合物基于含有至少50％中和的酸官能团的单体而制备。

By the priori estimates and degree theory on the positive cone, we obtain some conditions on the existence and non-existence of positive solution, at the same time, we also discussed the properties of the positive solution.

利用先验估计和正锥上的度理论，给出了正解存在的条件，同时，也讨论正解的一些性质。

Results The best experimental conditions for the new method were as follows: hydrochloric acid concentration 5%; sodium borohydride solution, potassium bromate and potassium bromide solution, 2ml each; flow rate 0.6L/min.

结果］本法的最佳实验条件为盐酸溶液浓度5%，硼氢化钠溶液和澳化剂的用量各为2ml，载气流量0.6L/min。

The stray light is evaluated using the cut-off solution method and its effects were studied by means of simulation background absorption using potassium dichromate solution molecular absorption.

用截止溶液法检验了杂散光的存在，并用重铬酸钾溶液分子吸收模拟背景吸收的方法研究了杂散光的影响。

Tergitol or PEG (0.5 g) was added to 10 mL of a 20% solution of alkyl halide in phenylacetonitrile, and then this solution was added to 10 mL of 60% aqueous potassium hydroxide.

Tergitol或聚乙二醇（ 0.5 g ）项增加了10毫升的 20 ％的溶液中苯乙腈烷基卤化物，和那么这个解决办法是增加了10毫升的60 ％水氢氧化钾。

Use nationalization degree and the relationship that commercialize degree, condition of calculable market economy plays scope of optimal and state-owned economy.

利用国有化程度与市场化程度的关系，可计算市场经济条件下最佳国有经济规模。

The kinds of extractant also effected desulfurization rate .

萃取剂对脱硫率的影响也很大，乙二胺的萃取效果优于甲醇的。