查询词典 iodide

The parameters including sample preparation, oxidation, titratable acidity and color reversion in end point were investigated, and the effect of excessive potassium iodide on reaction equilibrium was discussed.

对样品溶解、氧化、滴定酸度和终点返色现象等进行试验，并讨论了过量碘化钾对反应平衡影响。

The result shows the excellent condition was in room temperature, 1-1.5 g of potassium iodide, 5mL of 1mol/L sulfuric acid and keep static station for 30 mm.

结果表明：选择在室温下加入1~1.59碘化钾、5 mL 1mol/L硫酸，静置30 min，结果准确，精密度高。

Separation of Cadmium by Iodide-4-Aminoantipyrine-Propyl Alcohol Extraction System in the Presence of Ammonium Sulphate;2. Synthesis of dipropyl carbonatefrom dimethyl carbonateand propyl alcohol by transesterification was studied.

用丙醇和碳酸二甲酯液相酯交换合成碳酸二丙酯，筛选出催化性能和稳定性较好的KOH/Naβ固体碱催化剂，考察了KOH负载量对催化剂酯交换性能的影响。

Furthermore, a convenient procedure for synthesis of unsymmetric squarylium cyanies has been developed. We find the particular reactiveness between benzotellurazolium lodide and squaric acid: only 1: 1 condensation is involved in this reaction. The resultant can condense easily with benzothiazolium iodide to give unsymmetric squarylium dye of unique component.

研究了苯并碲唑季铵碘盐与方酸的特殊反应性，发现它们只发生1：1缩合，缩合产物可与苯并噻唑碘盐反应生成染料，从而提供了制备单一组分的不对称方酸碲菁染料的简便方法。

The research progress of redifferentiation of dedifferentiated thyroid carcinoma by up-regulation of thyroid iodide-metabolizing genes expression and suppression of BRAF mutation is reviewed in this paper.

文章就通过上调甲状腺碘代谢相关基因表达和抑制BRAF基因突变而使失分化型甲状腺癌再分化的研究进展作一综述。

The single mechanical seals of five PHP pumps, nine PLA pumps, two THD pumps and nine ZA pumps in the acetic acid plant were changed into dual mechanical seals based on not changing main parts such as casing, impeller, shaft, bearings house etc. to solve the leakage problems of flammable, explosive, poisonous, harmful substances, such as acetic acid, methyl iodide, hydroiodic acid, and propionic acid etc.

通过对醋酸装置中所选用的5台PHP型、9台PLA型、2台THD型及9台ZA型单级卧式脚支撑化工离心泵，在不改变泵壳、叶轮、轴、轴承箱等主要部件的基础上，将原来的单端面机械密封改造为双端面机械密封或串联式机械密封，以此来防止所输送的易燃、易爆、有毒、有害高危介质（如醋酸、碘甲烷、碘化氢、丙酸等）外漏。

There was a close relationship between the electric property of silver bromide iodide T-grain emulsion added with stabilizer and antifoggant and anti fog property of the emulsion, i.

研究表明：添加了稳定剂和防灰雾剂的溴碘化银T-颗粒乳剂微晶体的电性能与其防灰雾性能具有较好的相关性。

By applying Wagner polarization measurement,the effect of antifoggant s on electron conductivity and hole conductivity of silver bromide iodide T-grain emulsions was studied.

利用Wagner极化法研究稳定剂和防灰雾剂对溴碘化银T-颗粒乳剂微晶体的电子电导率和空穴电导率的影响。

By applying Wagner polarization measurement, the effect of antifoggants on electron conductivity and hole conductivity of silver bromide iodide T-grain emulsions was studied.

利用Wagner极化法研究稳定剂和防灰雾剂对溴碘化银T-颗粒乳剂微晶体的电于电导率和空穴电导率的影响。

And are temporarily named as quaternary ammonium silver halides such as cetyltrimethylammonium silver bromide and cetyltrimethylammonium silver iodide.

暂时叫做季铵卤化银如十六烷基三甲基溴化银铵或十六烷基三甲基碘化银铵。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？