The results showed that the black maize pigment was soluble in straight polar solvents or in acid medium.
结果表明：黑玉米色素可溶于强极性溶剂或稀酸溶液中；
The ferrous oxalate with crystal water was prepared with ferrous ammonium sulfate and oxalic acid in acid medium.
采用硫酸亚铁铵和草酸溶液在酸性介质条件下合成含有结晶水的草酸亚铁。
A persulphate oxidation method in acid medium for decomposition and analysis of dissolved total phosphorus in seawater was proposed.
依此，建立酸性过硫酸盐氧化法分解测定海水中溶解态总磷的方法。
In acid medium, proteins can react with azocarmine B (ABX) and form ion-association complexes and enhance the weak resonance Rayleigh scattering (RRS) of ABX.
在酸性条件下，蛋白质与偶氮胭脂红b (abx)结合形成离子缔合物，使ABX微弱的共振瑞利散射(RRS)急剧增强。
Although perovskite and non platinum anode catalysts are less cost, their electro catalysis activities in methanol oxidation and stabilities in acid medium have to be improved for further work.
铂基钙钛矿类和非铂基催化剂的成本低，但需要进一步解决在酸性介质中的寿命短和活性低的问题。
Most bacteria grow best in slightly acid medium.
多数细菌在微酸性的介质中生长最好。
In the medium of nitric acid, the trace chloride in the cement concrete was determined by turbidimetry.
在硝酸介质中，通过比浊法测定水泥混凝土中微量氯化物。
Should try to avoid acid-base media used interchangeably (except in and reaction medium) in order to avoid shortening life expectancy.
应尽量避免酸碱介质交替使用(除中和反应介质)，以免缩短寿命。
A new technology of wet method for synthesis of magnesium stearate by saponification of stearic acid with fleshly formed magnesium hydroxide in aqueous medium is described.
介绍一种在水介质中由硬脂酸与新生成的氢氧化镁进行皂化反应合成硬脂酸镁的湿法新工艺。
And also, detailed effects of acid medium and coexist elements in atomic absorption method are discussed.
并探讨了方法中酸性介质、共存元素的影响等问题。
The kaolinite tonstein in the seam5# is formed by acidic ash alterated in the acid medium in peat bog in tongchuan district.
铜川矿区5＃煤层中的高岭石泥岩夹矸是由酸性火山灰在近地表的成煤条件下经酸性水淋滤、蚀变而成的。
An amperometric uric acid biosensor was developed by immobilizing uric acid oxidase on carbon electrodes, in which, potassium ferricyanide was used to electron medium of chemistry response.
采用铁氰化钾作为媒介体，将尿酸氧化酶固定在羧甲基纤维素钠处理过的碳电极表面，研制成一种尿酸生物传感器。
Selection and application of measuring instruments for special medium is one of the great problems, which has puzzled the instrument engineers for years, in industrial units such as nitric acid plant.
测量仪表在特殊介质工况下的选型应用是一大业内难题，也是硝区生产多年以来困惑仪表人员的一个棘手问题。
The experimental condition of acetylating method for determining priminary alcohol and secondary alcohol catalyzed by perchloric acid in the medium of analytically pure ethylacetate is proposed.
提出了以高氯酸为催化剂，分析纯乙酸乙酯为介质，乙酰化法测定伯、仲醇的实验条件，实现了对经典方法的改进，简化了操作程。
The conditions of determination are that we used cesium nitrate as eliminated electrolytic reagent in the acid medium and applied the subsensitive line as absorption line.
探讨了在酸性介质中以硝酸铯作消电离剂，应用次灵敏线作为吸收线来测定常量钾的最佳条件、线性相关系数。
Calcium iodate as feed additive was prepared in this paper. With the medium of hydrochloric acid, iodine was oxidated by potassium chlorate, and then neutralized with calcium hydroxide.
用碘为原料，在盐酸介质中经氯酸钾氧化后，用氢氧化钙中和制得饲料级磺酸钙。
If best analysing condition of each element is deter mined, As, Sb, Bi, Hg and Se in agricultural geology samples can be determined continuously in sulpho acid medium.
确定了各元素的最佳分析条件，可在王水介质中连续测定农业地质调查样品中的砷、锑、铋、汞、硒。
The stainless steel stop valves of this series are used in pipings in chemical induxtry to stop (or allow)medium flowing such as nitric acid, acetic acid, etc.
氟塑料全衬隔膜阀系列产品，是各类隔膜阀中应用最为广泛的一种形式，主要用来切断（或接通）管路介质。
The method was based on the catalytic effect of nitrite ion on the oxidation fading reaction of methyl orange and bright green with potassium bromate as oxidant in phosphoric acid medium.
在磷酸介质中，利用亚硝酸根催化溴酸钾氧化亮绿和甲基橙褪色的指示反应，建立催化光度法测定痕量亚硝酸根的新方法。
Brittle fracture is a stress corrosion cracking phenomenon which occurs in high voltage composite insulators. Previous studies all focused on the source of the "corrosion" medium, e. g. the acid.
脆断是高电压复合绝缘子发生的应力腐蚀断裂现象，国内外的研究基本集中在“腐蚀”介质酸的来源上。
In organic acid medium the adsorption was more complex.
在有机酸介质中，吸附作用比较复杂。
A new spectrophotometric method for the determination of trace nitrite was studied. The method is based on the diazo - reaction of methylene violet with nitrite in hydrochloric acid medium.
研究了在盐酸介质中微量亚硝酸根与亚甲紫发生的重氮化反应，建立了测定微量亚硝酸根的新方法。
It is based on the iodine catalysed discoloring reaction of malachite green oxidized by chloramine t in hydrochloric acid medium.
基于在稀盐酸介质中，碘催化氯胺T氧化孔雀绿而使其褪色的反应，建立了测定痕量碘的新方法。
This method involves using the glacial acetic acid as a catalyst, adding the litharge in aqueous medium and adding a quantity of oil of vitriol to yield lead sulfate.
该法来用了冰乙酸作催化剂，在水介质中加入氧化铅，再滴加一定量的浓硫酸来合成硫酸铅。
Objective To find out the application value of blood sugar, glycosylation hematocyanin and D- 3 hydroxybutyric acid in mild, medium and severe type of diabetes.
目的了解血糖、糖化血清蛋白、D-3羟丁酸在轻、中、重度糖尿病患者中的应用价值情况。
It's found that in sulphuric acid medium, sodium diphenylamine sulfonate can be oxidized by hydrogen peroxide and produce two benzene allied purple.
在硫酸介质中，二苯胺磺酸钠可被过氧化氢氧化生成二苯联苯胺磺酸紫。
The tartrate-resistant acid phosphatase (TRAP) activities in the medium were measured by enzyme kinetics.
酶动力学法测定培养上清中抗酒石酸酸性磷酸酶（TRAP）的活性；
The optimal conditions for synthesis of alkali green 4 are reported, including the carbamide and zinc chloride as catalyst, chloranil and bichrome as oxidation agent in the acetic acid medium.
报道了合成碱性绿-4的最佳条件：在醋酸介质中，尿素、氯化锌为催化剂，四氯苯醌和重铬酸钾为氧化剂；
In the acid medium, the viscosity mechanism of the system of latex particles containing carboxyl is the same with that of the common hard sphere latex system.
在酸性介质中，含羧基乳胶粒子体系的致粘机理与普通硬球型乳胶粒子体系一致。
In the acid medium, the viscosity mechanism of the system of latex particles containing carboxyl is the same with that of the common hard sphere latex system.
在酸性介质中，含羧基乳胶粒子体系的致粘机理与普通硬球型乳胶粒子体系一致。
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