Na2SO4是什么意思

网络释义

用法例句

Investigation on thermal decomposition kinetics of the adduct sodium sulphate-hydrogen peroxide-sodium chloride (Ⅰ)model distinguishing;

硫酸钠-过氧化氢-氯化钠加合物的热分解动力学研究(Ⅰ)——分解机理判别

Investigation on thermal decomposition kinetics of the adduct sodium sulphate-hydrogen peroxide-sodium chloride(Ⅱ);

硫酸钠-过氧化氢-氯化钠加合物的热分解动力学研究(Ⅱ)——动力学模型参数的求取与机理探讨

Preparation and Characterization of Sodium Sulphate-Hydrogen Peroxide-Sodium Chloride;

硫酸钠/过氧化氢-氯化钠加合物的制备及表征

Present Situation of Mineral Resources of Na2SO4 and its Exploitation at Home and Abroad;

国内外硫酸钠矿产及其开发利用现状

The activity of Na2SO4 can improve the performance of low-active flyash,such as improving the early strength,reducing cracks,shorting construction period and ensuring the construction quality.

用硫酸钠添加剂的方法改善低活性粉煤灰,可以提高二灰碎石的早期强度、减少裂缝、缩短施工周期,并保证施工质量。

Determination of SeO_2 in industrial selenium dioxide by sodium hyposulfite titration;

硫代硫酸钠滴定法测定工业二氧化硒中SeO_2

This paper mainly studied on the influence of the deoxidant(sodium hyposulfite) upon Xanthan gum thermal stability,and the results showed that the viscosity reduction degree is decreased and the viscosity stability of Xanthan gum solution can be obviously improved which makes thermal stability enhance by 1.

文中研究了除氧剂(硫代硫酸钠)对黄原胶耐热稳定性的影响,结果表明,当硫代硫酸钠的使用浓度为1。

After comparison,sodium hyposulfite is the preferred absorbent,which the resultant has no influence on the environment with sodium hyposulfite over absorbed dose.

经比较,硫代硫酸钠吸收量大,生成物对环境没有影响,为首选吸收剂。

Study on metabolic mechanisms of sodium thiosulfate by Thiobacillus Ferrooxidans and Thiobacillus Thiooxidans;

氧化亚铁硫杆菌和氧化硫硫杆菌对硫代硫酸钠的代谢机理研究

Study on preparatin of sodium thiosulfate by sulfur black wastewater

用硫化黑废水制取硫代硫酸钠的研究

According to the reducibility of sodium thiosulfate,the interference of sulfite is eliminated by formaldehyde and sodium thiosulfate is determined by indirect iodimetry with addition of excessive iodine.

根据硫代硫酸钠的还原性,以甲醛消除亚硫酸盐的干扰,加过量碘,间接法测定硫代硫酸钠。

Kinetics of excess thiosulfate oxidation with chlorine dioxide;

二氧化氯对过量硫代硫酸钠氧化的动力学

The kinetics of the chlorine dioxide-thiosulfate reaction in an unbuffered basic solution had been investigated in a stirred tank reactor at 25.

01℃条件下,采用pH值探针技术研究二氧化氯氧化硫代硫酸钠反应体系在封闭搅拌状态下的动力学行为,结果表明,在封闭条件下体系的pH值呈现比较复杂的准振荡现象,大致经过四个阶段(Ⅰ,Ⅱ,Ⅲ,Ⅳ)的下降:(Ⅰ)下降来源于二氧化氯的自身歧化反应动力学;(Ⅱ)下降来源于连四硫酸钠的水解反应动力学;(Ⅲ)下降来源于硫代硫酸钠被二氧化氯氧化的主反应动力学;(Ⅳ)下降来源于ClO2-和ClO2与连四硫酸钠及其水解产物的反应动力学。

Determination of nitrate nitrogen in fertilizer by reduction of sodium thiosulphate instead of chromium power;

用硫代硫酸钠代替铬粉还原测定肥料中硝酸态氮

The primary factors which influence oxidizing rate of sodium thiosulphate are discussed.

利用固体超强酸SO42-/T iO2及SO42-/W O3对硫代硫酸钠进行了光催化氧化的研究,并讨论了影响硫代硫酸钠氧化率的主要因素。

On the condition of the existence of the buffer solution of ammonium acetate (PH5-6) and ammonium thiocyanate, quantitatively reduce Cu2+ into Cu+ by using sodium thiosulphate.

本文在PH5-6的乙酸铵缓冲溶液及硫氰酸铵存在下,用硫代硫酸钠定量还原Cu~(2+)为Cu~+,Cu~+与SCN~-结合,形成稳定的硫氰酸亚铜白色沉淀,反应终点可由全自动电位滴定仪确定。

photographic grade sodium thiosulphate, crystalline

摄影用酸钠硫代硫酸钠（结晶）

Study on preparatin of sodium thiosulfate by sulfur black wastewater

用硫化黑废水制取硫代硫酸钠的研究

formaldehyde sodium hydrosulfite

甲醛化连二亚硫酸钠

menadiol sodium sulfate

维生素k^4硫酸钠

Chemical reagent--Sodium pyrosulfite

GB/T15900-1995化学试剂偏重亚硫酸钠(焦亚硫酸钠)

Feasibility analysis of production of sodium pyrosulphite in sulphuric acid plant.

硫酸厂生产焦亚硫酸钠的可行性分析

To the working strength developer add sodium thiosulphate crystals (Hypo).

加强显影加入硫代硫酸钠晶体（海波）。

The analysis of the validity of the Na_2S_2O_3;

对硫代硫酸钠标准溶液有效期的分析

The Study on the Kinetic Model of Synthesizing Sodium Thiosulfate;

硫代硫酸钠合成反应动力学模型研究

Preparation of Starch Sulphate Using Concentrated Sulfuric Acid and Propanol

硫酸/丙醇法制备淀粉硫酸钠的工艺研究

Preparation and Characterization of Cellulose Sulfate and Starch Sulfate;

纤维素硫酸钠和淀粉硫酸钠的制备工艺及性质研究

Preparation and application of adduct sodium sulphate-hydrogen peroxide-sodium chloride

硫酸钠-过氧化氢-氯化钠加合物的制备及应用

Thermodynamics and dynamics in Reaction of Ammonium Peroxodisulfate and Sodium Thiosulphate;

过二硫酸铵与硫代硫酸钠反应的热力学和动力学

Evaluation of the Uncertainty for the Concentration of Sodium Thiohsulfate Standard Solution;

硫代硫酸钠标准溶液浓度的不确定度评定

Gauging the Amount of Iodine in Salt on Sale by the Way of Na_2S_2O_3 Titration;

硫代硫酸钠滴定法测定市售食盐中的碘含量

Application of Sodium Thiosulfate in the Preparation of ZnO Nano-Materials

硫代硫酸钠在制备ZnO纳米材料中的应用

Induction of Zebrafish Malformation by Sodium Thiosulfate During Embryogenesis

硫代硫酸钠干扰斑马鱼胚胎发育并致畸

" Chemical reagent--Sodium sulfate, anhydrous"

GB/T9853-1988化学试剂无水硫酸钠