查询词典 iodine pentoxide

"Arsenic pentoxide (As2O5) is also used in insecticides, herbicides, metal adhesive s, and pigments."

五氧化二砷(AS2O5)是杀虫剂、除草剂以及金属黏合剂的主要成分。

The exchange mechanism of hydrated antirnony pentoxide and the reation betwee preparation condition and exchange capadty are studied.

结果表明，水合五氧化二锑对3种离子的交换过程不是理想的离子交换，还存在吸附等过程

The effects of feeding way of phosphorus pentoxide, ratio of C8H174OH to P2O5, reaction temperature and time on the synthesized isooctanol polyethenoxy ether phosphate were investigated. Its optimum synthesis technology conditions were as follows: feeding at batches while stirring tempestuously at 45℃, the ratio of nC8H17(EO4OH:n(P2O5)=2:1, esterifying at 70℃ for 4h, and add given volume of water at 70℃ for hydrolysing 2h.

研究五氧化磷的投料方式、反应物的用量比、反应温度和反应时间等因素对合成的异辛醇聚氧乙烯醚C8H17(EO4OH磷酸酯性能的影响，得到优化的异辛醇聚氧乙烯醚磷酸酯的合成工艺条件：在强烈搅拌下，分批投入P2O5，加料时的温度不超过45℃，nC8：H17(EO4OH：n(P2O5)=2：1，酯化温度为70℃，酯化时间为4h，在温度70℃时加入定量的水再水解2h。

Thus this method could be applied to monitor the process of producing dinitrogen pentoxide by electrochemical oxidation of dinitrogen tetroxide in nitric acid. The results from the two-step titration method of redox titration combined with acidity titration were well consistent with that from the method of redox titration combined with NMR.

氧化还原和酸度两步滴定与氧化还原滴定结合核磁共振光谱法的分析结果表明，两种方法的分析结果吻合良好，精确度良好，两种方法都可用于N_2O_4-N_2O_5-HNO_3体系各组分的全浓度分析。

The Compound Disinfectant of Chlorinated Trisodium Phosphate contains adjuvantsphosphorus pentoxide and surfactant. It is white powder containing 3.44％ available chlorine.

氯化磷酸三钠复方消毒剂含辅助成分五氧化二磷与表面活性剂，为白色粉末，含有效氯3.44％。

A process of preparing phosphorus pentafluoride was put forward: first, mesneproduct was prepared from phosphorus pentoxide and anhydrous hydrogen fluoride; second, phosphorus pentafluoride was acquired after dealing with the hexafluorophosphoric acid.

本文以五氧化二磷和无水氟化氢为原料，首先制备中间产物六氟磷酸，再通过对六氟磷酸进行处理以生产五氟化磷。

In the presence of Pt catalyst, polyhydrodimethylsiloxane reacted with allyl polyoxyethylenepolyoxypropylene ether (F-6) by hydrosilylation to form an intermediate polyether silicone, which further undergo phosphation reaction with phosphorous pentoxide, a kind of phosphate modified polyethersiloxane surfactant was prepared.

采用铂作催化剂，通过含氢硅油和端烯基聚醚（F-6）的硅氢化加成反应先制得聚醚硅油中间体，再将其和五氧化二磷进行酯化反应，制得了一种磷酸酯型有机硅表面活性剂。

Reparation of PBO was begun with the polymerization process in which composite salts that contained 4,6-diaminoresorcinol and terephthalic acid were dissolved in polyphosphoric acid and phosphorus pentoxide.

BO纤维制备：以4，6-二氨基间苯二酚的盐酸盐为单体原料，与对苯二甲酸混合，经过中和反应、脱色处理、干燥后制成复合盐；再以多聚磷酸为溶剂，添加五氧化二磷和抗氧化剂，经过预聚合反应制备出PBO聚合物；聚合物通过双螺杆挤出机进一步进行聚合，然后通过喷丝板挤出，在磷酸水溶液中凝固成型，经过洗涤、干燥等过程，最终卷绕成型。

Mono dodecyl phosphate is synthesized using trichloro phosphate and di dodecyl phosphate is synthesized using phosphorous pentoxide. The structures are confirmed by IR and contents are analyzed by GC and HPLC. Mixed esters with different mass ratios of mono and di esters are prepared.

分别以三氯氧磷为磷酸化剂，合成并提纯了正十二烷基磷酸单酯，以五氧化二磷为磷酸化剂，合成并提纯正十二烷基磷酸双酯，其结构通过质谱得到了确证，产品组成采用气相色谱和高效液相色谱得到了确定。

When molten vanadium pentoxide is present, it acts as a catalyst to change the SO2 in the presence of excess air to the more objectionable sulfur trioxide (SO3) which then combines with moisture to form sulfuric acid .

ATOM-IX-950有效的抑制这样的反应，它通过改善燃烧能力来减少过量空气以改变二氧化硫和三氧化硫的比例，这样也有助于降低排气温度和降低燃料的消耗。

No complex distressful things on your mind but only our love and care for each other.

无复杂痛苦的事情，对你的心，但只有我们的爱和照顾对方。

At first light, on his own initiative, Vick located the enemy emplacements andfired on them, using 15 rounds.

破晓时分，维克主动地去查找敌军的炮位并向它们开火，打了15发弹药。