查询词典 alkali lye

Corn starch can be oxidated and hydrolyzed to polymer which contains multi-carboxyl in the presence of the alkali、oxygen and catalyst.

玉米淀粉在碱、氧气和催化剂作用下可氧化水解得到一种含有多羧基的聚合物。

It was found out that under alkali condition in the Ni~(2+)-NH_3-C_2O_4~(2-)-H_2O system, Ni(NH_3)_(1.5)C_2O_4·2H_2O is the most stable phase of nickel oxalates in the experimental range of conditions,generally existing as the only species of nickel oxalates in the systems aged fully.

研究发现，在Ni~(2+)-NH_3-C_2O_4~(2-)-H_2O体系碱性条件下，实验研究的范围内，NiN(来源：1fABC论75文网www.abclunwen.comH_3_(1.5)C_2O_4·2H_2O是稳定性最高的物相，充分陈化后，往往是体系中唯一存在的草酸镍化合物。

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为满足21世纪人类对最先进承载管道的需求，东宏实业率先在国内引进代表当今国际最先进水平的钢丝网骨架聚乙烯复合管材、高压力钢丝编织增强聚乙烯复合管材、德国 PP — R 管材、聚乙烯管材、超高分子量耐磨、耐腐蚀、耐酸碱管材生产线及注塑机，并通过先进的检测手段、过硬的产品质量、完善的售后服务，造就了&东宏&这一知名品牌。

Bond length, total atomic charge, frontier molecualr obital energy, and Mullicken Bonding Population proclaimed that electron transfer ought to be possible from benzene to ammonium to form charge-transfer cpmplexes. The molecular obital coefficience showed that the p-π initeraction must be existed between alkali metal cation and benzene.

键长、原子净电荷、前线轨道能量和分子轨道系数、Mullicken成键布居等量子化学参数表明碱金属阳离子和苯环碳原子发生作用而形成电荷转移复合物，这种作用中包含p-π作用的形式。

By doing so, the grain size of prepared alkali zinc carbonate was 9.5 nm, Zn's mass-fraction was 56.18%, and that of Mg was 1.31%.

在此工艺下，可制得Zn的质量分数为56.18%，Mg的质量分数为1.31%，晶粒度为9.5 nm的碱式碳酸锌。

Taking ZnSO47H2O and NH4HCO3 as raw materials and mixing them with a certain amount of MgSO47H2O, the powder of nano-crystalline alkali zinc carbonate was prepared.

以ZnSO47H2O和NH4HCO3为原料，掺入一定质量的MgSO47H2O，制备纳米微晶碱式碳酸锌粉体。

By using phenolphthalein and methyl orange as indicators, free alkali, zinc and sodium carbonate were titrated with hydrochloric acid and zinc was titrated with EDTA.

提出了EDTA络合滴定和酸碱滴定联合测定碱法炼锌中含锌碱性溶液中游离碱、锌和碳酸钠的新方法。

The optimum conditions of extracting cystine were confirmed, as follows: the waste wool pretreatment conditions are pH10, alkali solution temperature 50 ℃ and dry temperature 80 ℃; the waste wool hydrolysis conditions are hydrochloric acid concentration 32%, acid to hairs ratio 1.8:1, hydrolysis temperature 120 ℃, and hydrolys...

研究了预处理、酸解条件、脱色对羊毛胱氨酸提取量的影响，得出了最佳提取胱氨酸的条件，即在pH值为10、碱液温度50℃、烘干温度80℃预处理后的羊毛，在质量分数32%的盐酸、酸毛比1.8：1、水解温度120℃的条件下水解8h。经检测，按所优化工艺提取的胱氨酸符合标准。

The general design of a 450 t/d wood pulp alkali recovery boiler is summarized in this article.

摘 要：总结了450 t/d木浆碱回收锅炉的总体设计情况，并对该设计提出了一些建议。

The results show that HY exchanged with alkali-earth metal cation or rare-earth metal cation has higher stability than that of HY.

结果表明，用碱土金属离子或稀土金属离子交换改性的HY分子筛在烷基化反应中具有比HY更好的稳定性。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。