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热硫酸
hot sulfuric acid
A new method for determination of total iron was introduced. Using hot sulfuric acid to dissolve oligiste iron sample, Fe(Ⅲ) was reduced to Fe(Ⅱ) with copper, and Fe(Ⅱ) was determined by titration of bichrome. 利用热硫酸溶解赤铁矿样品 ,利用金属铜将 Fe(Ⅲ )还原成 Fe(Ⅱ) ,用重铬酸钾滴定 Fe(Ⅱ)的新方法 短句来源 “热硫酸”译为未确定词的双语例句
The above-mentioned materials showed excellent corrosion resistivities to 98% H_2SO_4, HAc, boiling HAc, 80% HAc+1% NaCl solution, 30～50% boiling H_2SO_4, and the solution of 3.2% CH_2O+22% Na_2SO_4+32% H_2SO_4 at 70℃. 发现上述材料对98%硫酸、醋酸、氢氧化钠溶液及热沸状态下的醋酸,30—50%的热硫酸,维尼纶的醛化浴溶液,均有优良的耐腐蚀性能。 短句来源 相似匹配句对
Heat Recovery System of Lurgi Sulfuric Acid Plant 鲁奇硫酸装置热回收系统 短句来源 INVESTIGATION OF LATENT HEAT THERMAL ENERGY STORAGE OF A MIXTURE OF UREA AND SULFURIC ACID 硫酸脲相变储热的实验研究 短句来源 HOT 热报! 短句来源 Why Chinese? 汉语热 短句来源 Tobramycin Sulfate 硫酸妥布拉霉素 短句来源 
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The destruction kinetics of the aluminum(III) phthalocyanines in hot sulfuric acid is investigated.
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Most common internal standards are decomposed by the hot sulfuric acid and external standards were not applicable using the flow NMR probe or pressurizable NMR sample tubes.
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In the 1960's, hydrolysis was carried out using hot sulfuric acid at Conoco's and Ethyl Corporation's plants.
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We have studied the corrosion resistivities of modified xylene-formaldehyde resin and its glass fiber reinforced plastics. The corrosion resisting meehanism of this modified resin has been discussed. The above-mentioned materials showed excellent corrosion resistivities to 98% H_2SO_4, HAc, boiling HAc, 80% HAc+1% NaCl solution, 30～50% boiling H_2SO_4, and the solution of 3.2% CH_2O+22% Na_2SO_4+32% H_2SO_4 at 70℃. 我们研究了改性二甲苯树脂及其玻璃钢的耐腐蚀性能,探讨了树脂的耐腐蚀机理。发现上述材料对98%硫酸、醋酸、氢氧化钠溶液及热沸状态下的醋酸,30—50%的热硫酸,维尼纶的醛化浴溶液,均有优良的耐腐蚀性能。 文摘来源 On heating with sulfuric acid, the bagasse readily hydrolysed'to glucose and finally manganese sul-fate. The manganese - ammonium -carbamate obtained by reaction between carbonization mother liquor and manganese sulfate. The manganese carbonate obtained when manganese - ammon um - carbamate was decomposition at 79℃ and then crude manganese dioxide obtained by decomposition of manganese carbonate in air at 325℃. The γ-manganese dioxide obtained by treatment with surfuric acid and sodium chlorate. It was note... 蔗渣在热硫酸中迅速水解为葡萄糖,随即生成硫酸锰,碳化母液与硫酸锰反应制得氮基甲酸铵锰,生成物在79℃分解为碳酸锰,分解产物在325℃氧化分解为粗制二氧化锰,最后,通过硫酸和氯酸钠处理制得γ—二氧化锰。值得注意的是:本产品的成本大大低于老工艺,因为天然二氧化锰的(?)法处理采用了廉价易得的蔗渣及碳化母液。 文摘来源 Pt,Pd,Rh,Au can be dissolved in aqua regia and hydrochloric acid added with hydrogen Ｐｔ、Ｐｄ、Ｒｈ、Ａｕ能溶于王水及盐酸加双氧水中，而Ｒｈ溶于热硫酸或浓盐酸加氯酸钙，试验中可用王水溶矿，在王水或盐酸介质和氯化亚锡存在下用负载二苯基硫脲的混合碳粉富集痕量的Ｐｔ（Ⅱ）、Ｐｄ（Ⅱ）、Ｒｈ（Ⅰ）、Ａｕ（Ⅲ）络合物。吸附载体灰化后用发射光谱测定，测定的绝对灵敏度为Ｐｔ、Ｐｄ、Ｒｈ、Ａｕ０．０１×１０－６，以１０ｇ样品计算，测定灵敏度达到了１×１０－９。 文摘来源 << 更多相关文摘 
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