查询词典 sulfate

Iron trichloride or aluminium sulfate was used as a precipitating agent to precipitate sodium humic acid .

用三氯化铁或硫酸铝作沉淀剂，沉淀腐植酸钠，实验发现当腐植酸钠与三氯化铁或硫酸铝的质量比分别为 1∶ 0 。6 4和 1∶ 0 。6 0时，沉淀效果最好。

Triethylamine buffer: sodium dodecyl sulfate＝30∶40∶30∶0.25 and detection wavelength of 290 nm.

流速为1.0 mL/min，检测波长为290 nm。

In this study, cross-linked type I and type II collagen matrices, with and without attached chondroitin sulfate, were implanted into full-thickness defects in the femoral trochlea of adolescent rabbits.

本研究中，粘附和不粘附硫酸软骨素的交联 I型和II型胶原基质植入到青年兔股骨髁的全层缺损。

Some approved aneugens Trip terygiuwlIypogaucum (evelHutch, colchicine, thiabendazole, a tropine sulfate,d-ubocurarine was added into the reactive system respectively and the changes of their absorption values were taken down during different periods under the conditions of 37 0C and 350nm .

本研究通过多步聚合和解聚合反应从猪脑中分离纯化微管蛋白，建立微管蛋白的体外聚合和解聚合反应平衡体系，并将已证实的非整倍体诱发剂（昆明山海棠根部水抽提物、2-（4′-噻唑）苯丙咪唑、硫酸阿托品、d-筒箭毒碱）分别加入此反应平衡体系中，于37℃、350nm条件下，记录此体系不同时期的吸光值变化，与阳性对照物和溶剂对照处理平衡体系后的吸光值在相同时间点作比较，以此评估这几类非整倍体诱发剂对离体条件下的微管蛋白聚合的影响，寻求这几类非整倍体诱发剂是否可通过抑制微管蛋白聚合作用途径而诱发非整倍体。

Ceric sulfate ; chemical oxygen demand; ungraded garbage percolate ; determination

硫酸高铈； COD ；难降解垃圾渗滤液；测定

Manganese sulfate solution has been shown to be effective both to inactivate urushiol on the skin and to relieve itching.

锰硫酸盐解决已经被显示是有效的两者在皮肤上使 urushiol 钝化而且减轻搔痒。

Manganese sulfate solution probably acts as a chelating agent for detoxification of urushiol.

锰硫酸盐解决或许为 urushiol 的解毒担任一个 chelating 代理人。

And under the presence of high concentrated ammonium sulfate aerosol seed,the concentration of aerosol does not have significant effects on NO_x,NO and O_3 varia...

在高浓度的硫酸铵气溶胶种子条件下，其初始浓度对反应过程中NOx、NO和O3的浓度变化没有明显的影响，但对二次有机气溶胶(secondary organicaerosol，SOA)的生成有显著影响。

Veratrum aldehyde synthesis of many drugs intermediates, methyl aldehyde method for raw materials in Champlain, after dimethyl sulfate methylation available to 20% sodium hydroxide as the solvent, 10-11 in the PH value of the under the conditions of synthesis; microwave irradiation is the use of microwave radiation heating to replace the traditional approach to synthesis of a product of methylation reactions, this method does not require solvents, and less by-products, but still need to use 15% sodium hydroxide to adjust pH.

藜芦醛是许多药物合成的中间体，甲基化法以香兰醛为原料，经过硫酸二甲酯甲基化可得，以20%氢氧化钠为溶剂，在PH值为10-11的条件下合成；微波辐射法是利用微波辐射代替传统加热方式进行甲基化反应合成产物，这种方法不需要溶剂，并且副产物少，但仍需要用15%氢氧化钠来调节酸碱度。

This paper introuduced to use volumetric analysis to determine the microamount calcium and magnesium in sodium sulfate by diminishing the affect of iron, and validated the reliability of this method.

提出采用沉淀分离法消除Fe3 +等离子的干扰，用容量法来测定Na2 SO4中微量的钙、镁含量，并验证了该方法的可靠

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。