anhydrous acid
英
美
网络 无水酸
双语例句
- DOF was prepared by using anhydrous cupric sulfate as an esterification catalyst of fumaric acid with isooctyl alcohol.
探讨了无水硫酸铜作催化剂合成富马酸二异辛酯的方法和工艺条件。 - Anhydrous hydrogen chloride is considered non-corrosive. In the presence of moisture it will form hydrochloric acid.
无水氯化氢被认为是没有腐蚀性的。在有水蒸汽存在的情况下，它会生成氢氯酸。 - The p-ethylacetophenone was synthesized with acetylated, ethylbenzene and anhydrous aluminium chloride, then was oxidized top-ethylbenzoic acid with iodoform reaction.
以乙酸酐、乙基苯和无水三氯化铝为原料合成对乙基苯乙酮，并利用碘仿反应氧化对乙基苯乙酮制备对乙基苯甲酸。 - The fluorspar is mainly used in chemical industry, as main raw material to produce anhydrous hydrofluoric acid and as the basic raw material of fluoration chemistry.
氟石在化工行业，主要用作生产无水***的主要原材料和进行氟化处理的基本原料； - A new type filler, PTFE ladder Rasching ring is designed and used in the washing tower of anhydrous hydrofluoric acid equipment, properties of this filler is also analyzed.
设计了1种新型填料―PTFE阶梯拉西环并应用在无水***装置的洗涤塔中，分析了该填料的特性。 - General methods of test for pigments: determination of water-soluble sulphates, chlorides and nitrates The process conditions of preparing anhydrous manganese chloride were studied, which adopt manganese-rich slag as the raw material and use hydrochloric acid as the lixiviant.
研究了以富锰渣为原料，盐酸作浸出剂制备无水氯化锰的工艺条件。 - Mixed reagent of anhydrous soda and boric acid is used to dissolve the sample, Cr(ⅱ) reduction solution is used to deoxidize, and ( NH 4) Fe 2 ( SO 4) 3 is used to titrate, thus the Ti content is determined.
利用无水碳酸钠及硼酸混合试剂熔解试样，利用铬（Ⅱ）还原液还原，硫酸高铁铵滴定，测定钛的含量。 - Trisodium N-hexadecyl ethylenediamine triacetate was synthesized from anhydrous ethylenediamine, 1-Br-hexadecane and chloroacetic acid. This chemical is often used for improving the stability of anionic surfactant in hard water.
用无水乙二胺、1-溴-十六烷和***为原料，合成N-十六烷基乙二胺三乙酸钠，以提高阴离子表面活性剂在硬水中的稳定性。 - Methods@ ℃ hot saline ( HS), anhydrous ethanol ( AE) and pure acetic acid ( PAA) were injected into pig livers in vitro.
方法采用100℃热生理盐水、无水酒精和纯醋酸对离体猪肝标本进行注射。 - Methyl isonicotinate was synthesized using isonicotinic acid and anhydrous methanol as raw materials in presence of solid super acid as catalyst.
以异烟酸、无水甲醇为原料，固体超强酸做催化剂，合成了异烟酸甲酯。 - Tetraphenylporphyrin ( TPP) is synthesized successfully by using 4-nitrobenzoic acid as the catalyst and xylene as the solvent based on Adler. Ethyl 4-nitrobenzoate(ⅰ) was prepared in 81.1% yield by reaction of 4-nitrobenzoic acid with anhydrous ethanol in the presence of 98% sulfuric acid.
在四苯基卟啉的合成中，对Adler法进行了改进，采用对硝基苯甲酸代替丙酸作催化剂，并采用二甲苯为溶剂，通过分水，成功合成了四苯基卟啉。 - The solvent effect of anhydrous acetic acid was described in detail.
详细的分析了冰醋酸在重氮化反应中的溶剂效应。 - Crystallizing Process of Anhydrous Citric Acid
无水柠檬酸结晶工艺探讨 - Oxidizing agent was prepared by means of anhydrous manganous acetate dissolved in glacial acetic acid and oxidized to divalent manganic salt by potassium permanganate.
氧化剂的制造是将二价无水醋酸锰溶于冰醋酸中，用高锰酸钾将其氧化成三价醋酸锰。 - When it comes to the preparation of rare earth halides, there are three conventional methods in the synthesis of anhydrous rare earth fluoride, i.e. produce REF:, precipitation in solution by the reaction between rare earth oxides and HF acid.
在科研和生产实践中，无水氟化稀土常用的合成方法有：***沉淀-真空脱水法、氟化氢气体氟化法和氟化氢铵氟化法三种方法。 - Automatic Control System of Anhydrous Hydrofluoric Acid Production Process
无水***生产过程自动控制系统 - Method: The chlorophyll content, the photosynthesis rate, the polysaccharides content and the alkaloids content were measured by anhydrous ethanol method, CI-310 photosynthesis determination system, colorimetry of concentrated sulphuric acid-phenol and acid dyes colorimetry respectively.
方法：叶绿素含量用无水乙醇法，光合速率用CI-310便携式光合作用测定系统测定；多糖含量用浓硫酸-苯酚比色法，总生物碱含量用溴甲酚绿酸性染料比色法测定。 - GaAs and InP thin anodic films with uniform thickness and good repeatability are obtained by using a new developed solution of anhydrous tartaric acid and ethy-lene glycol, and analysed by means of Auger and photo-electron spectra.
使用一种新的不含水的阳极氧化液生长出厚度均匀、重复性好的～10~2AGaAs、InP阳极氧化膜。 - Fatty acid ethyl esters ( biodiesel) were prepared by catalytic esterification from palm fatty acid distillates ( PFAD) and anhydrous ethanol in self-made fixed bed reactor using cation exchange resin as solid acid catalyst.
以棕榈油脱臭馏出物（PFAD）和无水乙醇为原料，强酸性阳离子交换树脂为固体酸催化剂，在自制的固定床反应器中进行酯化反应，成功合成了脂肪酸乙酯（生物柴油）。 - This paper studies the synthesis of β-naphthyl ethyl ether under microwave radiation with β-naphthol and anhydrous alcohol as raw material and concentrated sulfuric acid as catalyst. It also explores the effects of reaction condition upon the yields.
研究了以β萘酚、无水乙醇为原料，浓硫酸为催化剂，采用微波辐射方法合成β萘乙醚，并探索了反应条件对产物产率的影响。 - A new process of preparing anhydrous boric oxide by dehydration of boric acid in a fast fluidized bed
硼酸快速流态化热分解制硼酸酐的新工艺 - Considered, selected phosphorylation as modified Korean pine protein isolate is superior to anhydrous succinic acid reagent.
综合考虑，对红松仁分离蛋白改性磷酸化改性要优于琥珀酰化改性。 - The results showed that the Thiourea and Sodium acetate anhydrous concentration strongly affects the deposition rate and stability of the solution transformed and the following factors are Sodium hypophosphite, Lactic acid, Lead acetate and Nickel ion concentration in solution subsequently.
实验研究的结果显示，硫脲及无水乙酸钠浓度对转化镀液的沉积速度和稳定性都有显著的影响，影响作用次之的是次亚磷酸钠、乳酸、醋酸铅、镍离子的浓度。 - Benzotriazole, oleic acid, sodium nitrite, sodium carbonate anhydrous, borax and composite boric acid ester all have inhibited effects on cobalt leaching of surface of cemented carbide tool.
苯并三氮唑、油酸、亚硝酸钠、碳酸钠、硼砂和复合硼酸酯对硬质合金刀具表层的钴浸出有抑制作用。