查询词典 sulfamic

Experimental results in systems with the presence and absence of sulfamic acid as a suppressor of nitrous acid are obtained.

对比了加入氨磺酸条件下的实验结果。

This thesis mainly studied on sulfamic acid catalyzed Cross-Aldol condensation, direct amidation of benzhydryl alcohol; solid base catalyzed synthesis of bisindoles was also discussed.

本论文主要讨论了磺氨酸催化下的Cross-Aldol反应；二苯甲醇的胺化反应；固体碱氟磷灰石催化的双吲哚甲烷衍生物的合成。

Myristic monoethanolamide ammonium sulfatewas synthesized from myristic acid and monoethanolamide with sulfamic acid as sulfating agent .

在芳烃类溶剂与羰基化合物催化剂存在下，以肉豆蔻酸和乙醇胺为原料，氨基磺酸作硫酸化剂，制备了肉豆蔻酸单乙醇酰胺硫酸酯铵盐。

The proposed method is of high practicability in on-line determination of sulfamic acid and DL-malic acid in electropolishing solution.

对实现抛光液中氨基磺酸和DL-苹果酸的在线监测具有实际意义。

The function of shelter ing nitrite from sulfamic acid is compared with that from sodium azidum.

结果表明：海洋监测规范中COD的测定方法不适合于NO－2较高的污染海水，比较了氨基磺酸与叠氮化钠对NO－2的掩蔽效果及测定方法。

Corrosion rates of iron in sulfamic acid are smaller than those in H_2SO_4,but larger than those in H_3PO_4 or HCl.

在低浓度(0.5～2.0N)范围内，铁在氨基磺酸溶液中的腐蚀速率仅仅比在硫酸溶液中低，而比在磷酸和盐酸溶液中都要高。

A good linear relationship could be obtained in the concentrations ranged from 1.6 to 175 mg/L for sulfamic acid and from 3.2 to 175 mg/L for DL-malic acid. The detection limits of each acid were 0.4 mg/L and 0.8 mg/L, respectively.

两者的线性范围分别为1.6~175mg/L和3.2~175mg/L；检出限分别为0.4mg/L和0.8mg/L；相对标准偏差分别小于1.1%和0.9%(n=9)；氨基磺酸的加标回收率在97%~103%之间，DL-苹果酸的加标回收率在93%~105%之间。

The relative standard deviation were less than 1.1% for sulfamic acid and 0.9% for DL-malic acid (n=9). The standard addition recovery of sulfamic acid was 97%-103% and that of DL-malic acid was 93%-105%.

方法用于新型电镀抛光液中氨基磺酸和DL-苹果酸的同时测定，具有很好的实用性。

The corrosion rates of iron in 0.5～2N sulfamic acid of 25～70℃ are investigated by the conventional gravimetric method and by chemical analysis, Based on the experimental data,the several kinetic parameters of iron in sulfamic acid have been calculated,such as rate constant,activation energy,frequency factorand another constant,with the empericat equation put forward by Mathur.

本工作用腐蚀失重和化学分析方法研究了铁在0.5～2N 氨基磺酸溶液中，在25～70℃条件下的腐蚀速率。根据这些腐蚀速率数据，利用 Mathur 提出的经验公式计算出铁在氨基磺酸溶液中腐蚀反应的动力学参数 K、B、E和 A。

The simultaneous determination of sulfamic acid and DL-malic acid in environmental friendly electropolishing solution by ion chromatography was described. Sulfamic acid and DL-malic acid were well separated by using Metrosep A Supp 5 150 anion exchange column for separation and 3.2 mmol/L Na2CO3-1.0 mmol/L NaHCO3 as eluent.

采用Metrosep A Supp5150阴离子分离柱，以3.2mmol/L Na2CO3-1.0mmol/L NaHCO3为淋洗液，氨基磺酸和DL-苹果酸可得到很好的分离，使用离子色谱为检测手段可实现环保型电镀抛光液中氨基磺酸和DL-苹果酸的同时测定。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。