查询词典 iodide

Arsenous iodide, arsenic triiodide

三碘化砷。。。上一页/下一页

Carbonyl arsonium ylides, which reacted with almost equimolarphenylselanyl iodide, were conversed into α-phenylseleno arsonium ylides in thepresence of triethylamine, affording a new method for the synthesis of α-phenylseleno arsonium ylides.

在弱碱三乙胺存在下半时，稳定的α-羰基胂叶立德和几乎等摩尔量的苯硒基碘作用，转化成α-苯硒基胂叶立德。提供了一个合成α-苯硒基胂叶立德的新方法。

Complex 5 is a binuclear copper iodide, which is firstly determined by X-ray diffraction.

化合物5是一个双核铜碘无机-有机杂化化合物。我们首次对其单晶结构研究。

A process for the carbonylation of allylic butenyl ether (for example, methyl crotyl ether, 3-methoxybutene-1 and mixtures thereof) or mixture of butadiene and alcohol and production of beta-gamma unsaturated carboxylic acid esters (for example, methyl-3-pentenoate) utilizing a rhodium-containing catalyst for example, dicarbonylacetylacetonate rhodium(I or the like promoted with an iodide-containing compound (for example, HI, AlI3, SnI4, TiI4, CrI3, and CoI2 or the like).

一种将烯丙型丁烯基醚(如甲基巴豆基醚、3－甲氧基丁烯－1及其混合物)或者丁二烯与醇的混合物羰基化的方法，以及由含碘化物化合物(如HI、AlI3、SnI4、TiI4、CrI3和CoI2或等效物)促进，用含铑催化剂如二羰基乙酰丙酮酸铑(I或其等效物制备β－γ不饱和羧酸酯(如甲基－3－戊烯酸酯)的方法。

Mission:"equality and mutual benefit, reputation first, unity and cooperation and friendship between the long-term" supply products: ethylenediamine; diethylamide; triethylamine; Diethylenetriamine; three ethylene diamine; three ethylene amines 40; 40 Five ethylene amines; five ethylene amines 6; caprolactam; DMF; allyl amine; N, N dimethylaniline; propylamine; are butylamine; are TOA; 3 Poly Cyanamide; 1,2 c diamine; ethanolamine; diethanolamine, triethanolamine; potassium iodide, potassium hydroxide, potassium permanganate, toluene, xylene, toluene of chlorine ; Acetone, butanone; acetylacetone; ethyl acetate, butyl acetate; Y-butyrolactone; DMC; acetyl of methyl acetate; Sanfu acetyl acid; Sanfu acetyl B Ethyl; methanol, ethanol, isopropanol; propylene glycol; glycerol; propargyl alcohol; 1.3 propylene glycol; xylitol; acetic acid; have acid; mercaptoacetic acid; vary Bitterness; adipic acid; trifluoroacetic acid; oxalic acid, the amino acid; o-amygdalin acid; DL-Acid; anhydrous piperazine; six non-piperazine, furfural, castor oil, ethylene Aldehyde; glutaraldehyde, multi-POM; isopropyl ether; anisole; tetrahydropyrrole; pure pyridine; 1.2 dichloroethane; methylene chloride, chloroform, carbon tetrachloride; hydrazine hydrate; Nonylphenol;-m-cresol; Se phenol; phenol; the tert-butyl phenol; Titanium Dioxide; iron; full Tangfen; Bisphenol A; azo two different nitrile; sodium azide; sodium carbonate ; Sodium chloride; iron oxide; cuprous chloride; thionyl chloride; D4; sodium bicarbonate; ammonia, potassium chloride; anhydrous sodium sulphite; ammonium persulfate; glycol Dingmi; B Glycol ether; calcium chloride; cyclohexanone; cyclohexane, methyl tertiary butyl ether, potassium carbonate, ferric chloride, potassium nitrate; Linsuansanna; zinc oxide; sodium nitrite; antimony oxide; Tartrate; OP-10; TX-10; tablets base; AES; sodium benzoate, sodium citrate; partial sodium silicate, sodium perborate, a sodium carbonate, sodium benzene; Asia sodium chlorate; Wuluo Care products; urea; hydrochloric acid, sulfuric acid, lactic acid; amino acid, hydrogen peroxide, ammonium bicarbonate

公司宗旨：&平等互利，信誉至上，团结合作，友谊长久&乙二胺；二乙胺；三乙胺；二乙烯三胺；三乙烯二胺；三乙烯四胺；四乙烯五胺；五乙烯六胺；己内酰胺；二甲基甲酰胺；烯丙基胺；N，N二甲基苯胺；正丙胺；正丁胺；正辛胺；三聚氰胺；1，2丙二胺；一乙醇胺；二乙醇胺；三乙醇胺；碘化钾；氢氧化钾；高锰酸钾；甲苯；二甲苯；对氯甲苯；丙酮；丁酮；乙酰丙酮；醋酸乙酯；醋酸丁酯；Y-丁内酯；碳酸二甲酯；乙酰乙酸甲酯；三伏乙酰乙酸；三伏乙酰乙酸乙酯；甲醇；无水乙醇；异丙醇；丙二醇；丙三醇；丙炔醇；1.3丙二醇；木糖醇；冰醋酸；己醛酸；巯基乙酸；异辛酸；己二酸；三氟乙酸；乙二酸；对氨基苯乙酸；邻氯苦杏仁酸；DL-扁桃酸；无水哌嗪；六无哌嗪；糠醛；蓖麻油；乙二醛；戊二醛；多聚甲醛；异丙醚；苯甲醚；四氢吡咯；纯吡啶；1.2二氯乙烷；二氯甲烷；三氯甲烷；四氯化碳；水合肼；壬基酚；纯间甲酚；硒酚；苯酚；对叔丁基苯酚；钛白粉；铁粉；全糖粉；双酚A；偶氮二异丁腈；叠氮化钠；碳酸钠；氯化钠；三氧化二铁；氯化亚铜；氯化亚砜；D4；碳酸氢钠；氨水；氯化钾；无水亚硫酸钠；过硫酸铵；乙二醇丁醚；乙二醇乙醚；氯化钙；环己酮；环己烷；甲基叔丁基醚；碳酸钾；三氯化铁；硝酸钾；磷酸三钠；氧化锌；亚硝酸钠；氧化锑；酒石酸；OP-10；TX-10；粒碱；AES；苯甲酸钠；柠檬酸钠；偏硅酸钠；过硼酸钠；过碳酸钠；苯磺酸钠；亚氯酸钠；乌洛托品；尿素；盐酸；硫酸；乳酸；氨基磺酸；双氧水；碳酸氢铵

Methods Damage zone and minimum safe distance were measured in vitro on chick chorioallantoic membrane and in vivo on rabbit retina with the use of propidium iodide staining.

应用propidium碘染色的方法，在体外实验中，测量鸡绒毛膜尿囊膜的损伤区和最小安全距离，在体内实验中，测量兔视网膜的损伤区和最小安全距离。

Although the ion-exchange capacity of membrane quaternized by methyl iodide is higher than that of membrane quaternized by methylene diiodide,mechanical properties of the former are too poor to form membranes.

以一碘甲烷为季铵化试剂制备的离子交换膜其离子交换当量要比以二碘甲烷为季铵化试剂的要高，但机械强度差。在相同条件下，提高反应温度，有利于膜的季铵化反应，而不利于膜的磺化反应。

And to make the product be easy of purification, the excess of amine was reduced to 50% from 150%. Then the diiodoalkane reacted with dialkylmethylamine into diquaternary ammonium iodide, and obtained three diquaternary compounds whose spacer groups were -(CH2)6-, N,N"-dimethyl- N,N,N",N"-tetraoctyl-1,6-hexane diammonium diiodide, N,N"-dimethyl-N,N,N",N"-tetradecyl-1,6-hexane diammonium diiodide, N,N"-dimethyl-N,N,N",N-tetradodecyl -1,6-hexane diammonium diiodide.

对于更长间隔链的双子型季铵盐，一方面为了加快亲核取代反应速率，先将1，6-二氯己烷、3-氧杂-1，5-二氯戊烷转化成1，6-二碘己烷、3-氧杂-1，5-二碘戊烷，另一方面为了降低产物提纯的难度，将叔胺的过量由150%降到50%，使二碘代烷与双长烷基甲基叔胺在相同的温度下、反应相同的时间，经过相同的后处理，得到3个间隔链为-(CH2)6-的双子型季铵碘化物，(C8H17)2N+(CH3)(CH2)6 (CH3)N+(C8H17)2·2I-、(C10H21)2N+(CH3)(CH2)6(CH3)N+(C10H21)2·2I-和(C12H25)2N+(CH3)(CH2)6(CH3)N+(C12H25)2·2I-。

A modified analysis method based on the determination of ozone—indigo disulphonate spectrophotometer(GB/T 15437-1995) in gas phase has been developed to detect the concentration of ozone in liquid phase. An analytical condition of λmax=612～615 nm,ε=20 000 L/, pH 2 is obtained by the titration of indigo disulphonate. Compared with potassium iodide method,it shows a higher precision and accuracy,CV＜3.0%. The results also prove that blank experiment will bring about 5.0%systematic error.

在气相臭氧浓度的靛蓝二磺酸钠分光光度法(GB/T15437-1995)基础上提出了液相臭氧浓度的测定方法，采用靛蓝二磺酸钠标准曲线法代替采用易分解的臭氧标准曲线法，得出测定条件λmax=612～615 nm、ε=20 000 L/、pH为2，通过碘量法比较实验，说明新的测定方法具有较高的精度和准确度，相对标准偏差小于3.0%；比较结果表明忽略空白实验将引入5.0%的系统误差。

Two novel A-it-A' type benzothiazole-based derivatives with benzothiazolyl, phenyl-acetyl or pyridine cation groups as π electron acceptor, diethenylphenyl as π conjugated bridge: 4-(2-benzothiazolyl) ethenylchalcone (1) and 4-{4-[2-(benzothiazole-2-yl) ethenyl] styryl}-N-methylpyridinium iodide (2) were synthesized.

以苯并噻唑、苯乙酰基和吡啶阳离子为电子受体，二乙烯基苯为共扼桥，合成了两个新的A-π-A'型苯并噻唑衍生物：4-（2-苯并噻唑）－乙烯基查尔酮(1)和4-｛4-［2-乙烯基］苯乙烯基｝－N-甲基吡啶碘盐(2)。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。