At the second stage, the oxidation of polysulfide is dominated with the product of polymer sulfur& a-S8. The point of demarcation of two stages is that the number of dissociate hydrosulfide is equal to the that of sulfur in solution.

Acrylonitrile and sodium hydrosulfide were used as main materials for the synthesis of β-mercaptopropionic acid. The influences of four factors ( the mole ratio of the raw materials, the addition reaction temperature, the hydrolysis time, the powdered sulfur usage) were investigated.

以丙烯腈和硫氢化钠为主要原料，通过正交试验考察了原料摩尔比、加成反应温度、水解时间及硫粉用量4种因素对合成β巯基丙酸收率的影响。

A gold film was evaporated onto the fresh surface of mica. By immersing the gold film in the mercaptopropionic acid ( MPA) solution, Au S bond was formed between Au and the hydrosulfide group.

在新鲜裂解的云母表面镀一层金膜，金膜与疏基丙酸（MPA）的疏基形成S－Au键。

Methods The activity of superoxide dismutase ( SOD), glutathione peroxidase ( GSH Px), the contents of hydrosulfide group ( SH) and malondialdehyde ( MDA) in the blood of patients were measured and analysed.

方法对燃煤型砷中毒患者体内抗氧化物质超氧化物歧化酶（SOD）、谷胱甘肽过氧化物酶（GSH-Px）、巯基（-SH）以及脂质过氧化代谢产物丙二醛（MDA）的含量进行了测定和分析。

Objective To explore the impact of hydrogen sulfide ( H_ 2 S) donor, sodium hydrosulfide ( NaHS), on pulmonary vascular structure and vasoactive peptides in rats with pulmonary hypertension induced by high pulmonary blood flow.

目的探讨硫化氢供体对高肺血流性肺动脉高压大鼠肺血管结构重建及血管活性多肽的影响。

The corrosion of sour waste water tank was the result of corrosive media such as hydrosulfide etc and concentration attacks. The application of WF coating developed by Wuhan Material Protecion Research Institute has achieved good protection results.

含硫污水罐的腐蚀主要是由H2S等酸性介质及氧浓差引起的腐蚀，采用武汉材料保护研究所研制的WF系列涂料防护取得了良好效果。

Objective: To explore the possible impact of hydrogen sulfide donor-NaHS ( sodium hydrosulfide) on experimental pulmonary artery structural remodeling induced by high pulmonary flow and endogenous carbon monoxide/ heme oxygenase pathway.

目的：探讨硫化氢供体&硫氢化钠（sodium hydrosulfide，NaHS）对大鼠高肺血流性肺动脉高压及内源性一氧化碳（Carbon Monoxide，CO）／血红素氧合酶（Heme Oxygenase，HO）体系的影响。

The significance of hydrosulfide modifier in the regulation of cardiac function by hydrogen sulfide Influence analysis of stress stiffening effect of rotating wheel-disc on its modal characteristics

巯基修饰剂对硫化氢的离体心脏灌流效应的影响旋转轮盘应力刚化效应对模态特性影响分析

17 was prepared from sodium hydrosulfide and the intermediate, which was synthesized from D& C Red No.

17和环氧氯丙烷进行醚化反应，然后以硫氢化钠对醚化产物进行巯基改性得到巯基改性D&C红No。

The Distribution Change of Dermatan Sulphate Proteoglycan during the unhairing Process with Sodium Hydrosulfide

硫酸皮肤素在硫氢化钠脱毛过程中分布变化

The mercaptoacetic acid was synthesized under atmospheric pressure using chloroacetic acid and sodium hydrosulfide as raw materials.

以氯乙酸和硫氢化钠为原料，常压合成了巯基乙酸。

Effect of Hydrosulfide-Reactors on Stereochemical Structure of AChE by Atomic Force Microscopy

原子力显微观察巯基反应剂对乙酰胆碱酯酶立体结构的影响

Intravenous Injected Different Doses of Sodium Hydrosulfide and Observed the Impact on the Important Organ of Normal Rats

静脉使用不同剂量硫氢化钠对正常大鼠重要脏器的影响

The process improvement of flaky sodium hydrosulfide production

片状硫氢化钠生产工艺改进

Oxidized starch could reduce the content of free hydrosulfide group in gluten protein.

氧化淀粉可降低面筋蛋白中游离巯基含量。

Acetone, highly toxic hydrocyanic acid and sulphuric acid are used as raw materials in traditional method to produce MMA. The seriously poisonous substances and the strong acid not only results in the obvious environment pollution, but also results in the numerous ammonium bisulfate byproduct.

MMA传统的合成方法是以丙酮、剧毒的氢氰酸和硫酸为原料，不仅是非环境友好工艺，且副产大量硫酸氢铵。

The results showed that the reaction of carbon dioxide, water with MDEA accelerates the degradation of MDEA because of the existence of methanol 、 oxygen and hydrocyanic acid etc.

结果表明MDEA的降解主要为MDEA与CO2和H2O的反应。

Hydrocyanic acid is a fast-killing chemical warfare agent, which can strongly inhibit cell respiratory chain function, causing obstacles to the use of oxygen and generate energy reduction.

氢氰酸是速杀性化学战剂，能强烈抑制细胞呼吸链功能，造成组织氧利用障碍和能量产生减少。

A suggestion for large scale prodution of iminodiacetic acid by hydrocyanic acid was raised to increase product quality, reduce production cost and improve the competitive power in the world.

建议采用氢氰酸法实现大规模生产，以便提高产品质量和降低生产成本，增强产品在国际市场的竞争能力。

An extremely poisonous salt of hydrocyanic acid. It was a huge, dead snake of the most poisonous kind.

氢氰酸的一种有剧毒的盐。这是一条剧毒的巨大死蛇。

Thus, it can not only utilize hydrocyanic acid effectively, but also accelerate realizing green production in china's glyphosate industry.

这样不仅可以有效利用氢氰酸资源，还可以促进我国草甘膦行业实现清洁生产。