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.

對(duì)樣品溶解成年人黄色视频在线免费、氧化、滴定酸度和終點(diǎn)返色現(xiàn)象等進(jìn)行試驗(yàn)，并討論了過量碘化鉀對(duì)反應(yīng)平衡影響。

The factors affecting the reaction,such as time and temperature,the amount of potassium permanganate and acidity,were discussed.

研究了以酸性高錳酸鉀氧化芐醚混合物制備苯甲酸的方法性色网国产。

In SART law (vulcanization - acidification - return - condense) in, add NaHS to make the prussiate that is united in wedlock with content of cupreous cyanogen complexing is released, with precipitation copper, and be below weak acidity condition gas of HCN of prussiate translate into, in making its return soak loop with free prussiate form.

在SART法(硫化-酸化-返回-濃縮)中，添加NaHS使和銅氰絡(luò)合物結(jié)合的氰化物釋放出來aV黄色一级A片，以沉淀銅，并且在弱酸性條件下將氰化物轉(zhuǎn)化為HCN氣體久草网最新网址，使其以游離氰化物形式返回到浸出回路中黄网页站立于免费。

Wastewater Produced in Saponin of Dioscorea zingiberensis Productive Process whose components are complex contains much non-biodegradable sapogenin and surface activated matter, with puce color and high degree of acidity.

黃姜皂素生產(chǎn)廢水成份復(fù)雜，酸度高综合欧美日韩，呈深褐色日本永久免费A∨在线视频，水中含有相當(dāng)數(shù)量難于被生物降解的黃姜素及表面活性物質(zhì)，屬于高濃度的有機(jī)工業(yè)廢水国产区123在线。

The effects, such as the acidity of leaching system, the temperature and the concentration of the sodium chloride, on oxidation and leaching of copper-bearing gold ores were analyzed. The results show that the sequence of sulfide ores oxidized and dissolved are pyrrhotite firstly, sulphide secondly, then chalcopyrite, pyrite lastly.

結(jié)果表明：硫化礦的氧化溶解首先是磁黃鐵礦欧美交配电影在线播放，其次是銅的次生硫化礦，再次是黃銅礦中文字幕一区欧美，最后是黃鐵礦日本一区二区三区精品福利；載金黃銅礦的氧化首先是鐵從黃銅礦的晶格中氧化溶解出來，生成中間產(chǎn)物CuS2和CuS安全免费黄视频网站；較高的酸度和氯化鈉濃度有利于單質(zhì)硫的生成亚洲天天综合网在线、三價(jià)鐵的水解和銅的浸出，進(jìn)而有利于金浸出率的提高免费国产a国产片高清网站。

Catalyst acidity and hydrogen donating abilities of hydrocarbon solvent had marked effect on quinoline cracking.

催化劑的酸性91嫩草国产在线观看免费、烴類溶劑的供氫能力對(duì)喹啉裂化有顯著影響。

Methods The acidity of the solution and preparation method of reductant were changed, and the optimum analysis conditions were discovered.

改變?nèi)芤旱乃岫燃斑€原劑的配制方法精品人妻系列无码专区不卡，找出最佳分析條件欧美性爱视频免费的。

The application of pH value in testing saccharide acidity in rhizopus starter production was studied.

比較研究pH值在根霉曲生產(chǎn)過程檢驗(yàn)糖分和酸度中的應(yīng)用方法。

This Weltachs Riesling is well balanced between alcohol, sweetness and acidity.

特點(diǎn)： 這款威士蓮葡萄酒以平衡的酸度和甜度搭配制勝看黄片在线天堂在线。

Under the conditions of acidity and dehydration, the abnormal Beckmann rearrangement usually occurs in α-electrofugally substituted cyclic ketoximes and gives a ring opened alkene-nitrile compound.

一色色色色色色色色网。非正常Beckmann重排反應(yīng)在甾體-17-酮肟中的應(yīng)用對(duì)甾體18-甲基修飾是制備生物學(xué)重要的18-去甲基甾體的有效方法之一。