甲醇

The hardness value of 13MnNiMoNbR plates used in making the cabriole synthesis tower should be limited within certain scope when the material purchase.

摘 要：用13MnNiMoNbR制造甲醇合成塔过程中。通过对原板材采购时硬度值的限制及对焊接预热。

The distribution coefficients of rubidium and caesium between Cation-42, a phenolic-sulfonated cation exchange resin manufactured in Shanghai, and nitric acid as well as nitric acid-methanol or butanol mixtures have been determined by the equilibrium method.

本文用平衡法测定铷、铯在稀硝酸或稀硝酸-甲醇与华东化工学院阳-42号树脂间的分配系数，比较用硝酸及硝酸-醇作淋洗液分离铷、铯的效果，并确定0.47M硝酸是较好的淋洗液。

By means of GC, GC-MS, GC-IR, IR, H1-NMR,the reaction products were investigated and the results showed that there are camphene, limoneneN terpinolene, Me a -fenchyl ether, Me -terpinyl ether, Me bornyl ether and Me isobornyl ether containing in the products,and the content of the main product Me a -terpinyl ether is up to 42.5%,the selectivity is 44.7%.

采用GC、GC-IR、GC-MS、IR、H~1-NMR等对反应产物进行定量和定性分析，结果表明：微波辐射下α-蒎烯与甲醇的反应产物含有莰烯、柠檬烯、α-小茴香甲醚、异松油烯、异菠基甲醚、菠基甲醚、α-松油基甲醚等，在较好的工艺条件下，主产物α-松油基甲醚的得率为42.5％，选择性为44.7％。

Objective: To establish a rapid determination of methanol in dishwashing by capillary gas chromatography.

目的：建立洗涤剂中甲醇的毛细管气相色谱测定方法。

The results indicated that the use of such membrane could achieve satisfactory separation effects (condensate of high alcoholicity and rich flavoring substances was obtained, membrane-flowing rate: ethanol＞esters except ethyl lactate＞aldehyde＞other alcohol＞water), the membrane had good selectivity to ethanol and ethyl caproate had good membrane-flowing rate and membrane-passing percentage, however, ethyl lactate, aldehyde and methanol had poor mambrane-passing percentage with heavy loss during membrane-passing.

结果表明，渗透汽化膜有良好的分离性能，可得到高酒精度、香味物质富集的冷凝液；过膜速率：乙醇＞酯类＞醛类＞其他醇类＞水；膜对乙醇选择性好，己酸乙酯的过膜率及过膜速率高；乳酸乙酯、醛类及甲醇过膜率较小、损失量较大；渗透汽化膜用于白酒的香气成分分离有良好的工业应用前景。

In this paper, The author extraction of flavone by methanol from sour carambola leaves by single factor test and orthogonal design test was studied.

利用甲醇浸提，通过单因素试验和正交试验探讨从酸杨桃叶中提取黄酮的最佳工艺条件，为酸杨桃叶中黄酮类化合物的提取提供实验数据。

In the second step, methyl carbamate reacts with methanol to form dimethyl carbonate.

本文对尿素和甲醇合成碳酸二甲酯的反应体系进行了热力学分析。

As a base for C_1 chemistry,carbinol is not only a chemical energy product,but also an important raw material for chemical industry.

甲醇是C1化学的母体，它不仅是一种化工能源产品，同时也是一种重要的基本有机化工原料。

Carbinol, ethylene, propylene, and benzene are called one of four basic organic chemical raw materials.

甲醇、乙烯、丙烯和苯被称为四大基本有机化工原料之一。

Carbinol is an important basic organic chemical product, is widely used to chemical, medicine, pesticide, fuel, etc, and is the potential fuel.

甲醇是一种重要的基本有机化工产品，广泛用于化工、医药、农药、燃料等诸多领域，并且是潜在的替代燃料。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。