Electrolyte's surface low inside battery, make polar plate bareness part sulphurs acidify.

電池內(nèi)部電解液液面低黄色另类视频，使極板裸露部分硫酸化2018亚洲精彩偷拍视频。

Strong acids, such as sulfuric acid, hampered from the occurrence of the phenol hydroxylation.

過(guò)強(qiáng)的酸9999视频免费视频，如硫酸色色黄片、硝酸和鹽酸久久精品9999热，對(duì)苯酚羥基化反應(yīng)造成危害，使羥基化反應(yīng)不能發(fā)生在线www色综合免费网不卡。

Aniline compounds are used as raw material and reacted with anthranilic acid and then phenyl iodide as alkylating agents to give alkylating products followed by cyclizing with concentrated sulphuric acid to give a N-phenyl-acridone(or 3-ethoxyl-N-phenylacridone).The structure of intermediate and target compound are determined by IR and MS.

以苯胺類化合物為原料国产精品一区二区二区三区，先后以鄰氯苯甲酸和碘苯為烷基化試劑進(jìn)行了N 烷基化反應(yīng)，再用濃硫酸使其環(huán)化制得N-苯基吖啶酮和3-乙氧基-N-苯基吖啶酮欧美成视频在线，并用紅外光譜及質(zhì)譜儀檢測(cè)了各中間體及目標(biāo)產(chǎn)物的結(jié)構(gòu)无水操又黄片。

Estrogen can cause fetal congenital heart defects, large vascular malformation, hydrocephalus, cerebral meningocele, visceral malformations, hydrocephalus, meningeal, bulging, visceral malformations, feminization of male fetus, penile deformity , cervical abnormalities, but also easy to cause miscarriage, stillbirth and ectopic pregnancy.

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The result indicated that: the amount of the excess HF formed direct ratio to the yield of phosphorus pentafluoride and the optimum amount of the excess HF used is about 35%; the trickling rate of oleum shouldnt make the temperature of hexafluorophosphoric acid exceed 25 ℃ and the amount of oleum is 110% to 125% that of stoichiometry so that the content of phosphorus pentafluoride can be achieved 90%; the time and temperature of heating hexafluorophosphoric acid influenced both the yield and the content of phosphorus pentafluoride, and the optimum time should be about 30 minutes and the proper temperature was 148 to 153℃; when alcohol used asrefrigerant, the content of phosphorus pentafluoride was 94.03%, and the content can be up to 97.38%, provided that using liquid nitrogen as refrigerant.

通過(guò)實(shí)驗(yàn)發(fā)現(xiàn)，氟化氫用量與五氟化磷的產(chǎn)率成正比，最佳過(guò)量百分率宜在35％左右啪啪亚洲；發(fā)煙硫酸的滴加速度不能使中間產(chǎn)物溫度大于25℃在线无码抽查视频，發(fā)煙硫酸用量大于理論量10％～25％時(shí)，得到的五氟化磷純度高于90％久久免费视频A级；六氟磷酸的加熱溫度對(duì)五氟化磷的產(chǎn)率和純度均有影響欧美日韩免费一区中文字幕，宜在148～153℃的范圍內(nèi)，加熱時(shí)間應(yīng)在30分鐘左右中文字幕在线观看网止；用工業(yè)酒精做冷凝介質(zhì)得到的五氟化磷純度最高只能到達(dá)94.03％欧美嗷嗷叫，使用液氮做冷凝介質(zhì)可以使五氟化磷的純度達(dá)97.38％以上。

In the first stage (230—300℃) the sulphatization of oxides on the one hand and the prevention of acid evaporation loss on the other should be both satisfied.

第一階段(250—300℃)應(yīng)滿足使氧化物硫酸化和阻止硫酸蒸汽蒸發(fā)逸散損失的雙重要求www.色呦呦。

Gelena is pretreated by sulphatization, forming a layer of PbSO_4 film on its surface. The film has no effect on arsenic minerals and gelena is depressed during reverse flotation.

通過(guò)硫酸化預(yù)處理俄欧美激情A片在线观看，可使方鉛礦表面形成一層PbSO_4覆蓋膜，而砷礦物不受影響日韩AⅤ在线高清免费看，從而在反浮選中视频se，方鉛礦受到抑制。

In order to minimize the pollution of the environment with waste acids and/or waste acidic salt solution, following measures were taken:(1) Instead of using excess sulfuric acid, sulfonation reaction was carried out in the presence of excess toluene and the water produced during the sulphonation was removed by azeotropic distillation.

在CLT酸生產(chǎn)中黑人无码按摩贯穿人妻AV，為了使廢酸和酸性廢鹽水對(duì)環(huán)境的污染減少到最低程度美女扒开下边喷水黄网站，采取了如下的措施：(1)與使用過(guò)量硫酸相反，磺化反應(yīng)是在過(guò)量甲苯的存在下進(jìn)行日本在线色视频，同時(shí)用共沸蒸餾方法移出了磺化過(guò)程中產(chǎn)生的水免费看性爱。

The Residue on Ignition / Sulfated Ash test utilizes a procedure to measure the amount of residual substance not volatilized from a sample when the sample is ignited in the presence of sulfuric acid according to the procedure described below.

熾灼殘?jiān)?硫酸化灰分檢測(cè)是當(dāng)根據(jù)下面所述的步驟使樣品在有硫酸的情況下灼燒后，測(cè)量未揮發(fā)的殘留物質(zhì)量的方法色玖玖在线影院。

In the second stage (550—600℃) reaction between cobalt and copper oxides and SO_3 dissociated from iron sulphate is initiated.

第二階段(550—600℃)是利用鉄硫酸鹽分解放出的SO_3使鈷日韩最大的黄色网站、銅氧化物進(jìn)一步硫酸化。

Fixing：定影

顯影劑用硫酸亞鐵,其化學(xué)反應(yīng)式為:定影(fixing) 感光板經(jīng)過(guò)曝光五月丁香六月婷婷在线、顯影以后得到影像,其中還殘留著未感光的鹵化銀,見(jiàn)光后將會(huì)繼續(xù)感光,使顯影后的影像并不穩(wěn)定,定影就是使顯影所得影像穩(wěn)定的過(guò)程.

photochemical reaction：光化反應(yīng)

一氧化碳還有一項(xiàng)重要特性,它可能經(jīng)由光化反應(yīng)(photochemical reaction)促成二氧化氮、臭氧及硫酸等毒性更強(qiáng)烈的物質(zhì)的形成(2). 這些物質(zhì)常聚合為毒霧(smog),是空氣污染組成物中最可怕的成分. 如何使空氣中一氧化碳減少,

vitriolize：使硫酸化

vitriolize 潑硫酸 | vitriolize 使硫酸化 | vitriolizevitrolize 用硫酸燒

vitriolize：使硫酸化/用硫酸燒/潑硫酸

vitriolic /硫酸[鹽]的/ | vitriolize /使硫酸化/用硫酸燒/潑硫酸/ | vitrobasalt /玻璃玄武巖/