查询词典 method of synthesis

The synthesis method of a water-borne polyurethane which was used as the fixing agent was introduced.

介绍了一种水性聚氨酯固色剂的合成。

Using the method of record on spot, the thrust correlation data to the construction process are recorded, the analysis have indicated that the jacking force have complex influence factors, basically assumed the linearity with the pipe distance; The synthesis friction coefficient jumps to a peak value from zero at the beginning section, then gradually drops until stabilizes to a lower level and keep to the end.

分析表明顶力影响因素复杂，与顶距基本呈线性递增关系；综合摩擦系数从出洞时的剧增到一峰值，逐渐下降直至稳定到一较低的水平直至进洞结束；顶管施工对上层土体的扰动是明显的，须采取有效的措施进行监测和预防其破坏程度过大。

A method for synthesis of isobutyl acetate based on ceric sulfate as catalyst was developed.

以冰醋酸、异丁醇为原料，硫酸高铈为催化剂合成乙酸异丁酯。

An environmentally benign method for synthesis of cinnamaldehyde with near-critical water as reaction medium was proposed.

提出了一种以水为反应介质合成肉桂醛的新方法。

By adopting the method of stepwise synthesis, this paper synthetizes 1,3 - diaminopropanein 2-Hydroxy-3-methoxybenzaldehyde Zn-Sm heteronuclear bimetallic in Anhydrous methanol solution.

6楼本文采用分步合成的方法，在无水甲醇溶液中合成了1，3-丙二胺缩邻香兰素Zn-Sm异核双金属配合物。

By adopting the method of stepwise synthesis, this paper synthetizes 1,3 - diaminopropanein 2-Hydroxy-3-methoxybenzaldehyde Zn-Sm heteronuclear bimetallic in Anhydrous methanol solution.

本文采用分步合成的方法，在无水甲醇溶液中合成了1，3-丙二胺缩邻香兰素Zn-Sm异核双金属配合物。

Results The synthesis condition was improved. The method of methane sulfonic acid/DL-methionine was found an ideal substitute of BBr3 for less cost. While using hydrobromic acid, the O-demethylation and hydrolyzation could be combined in one stage.

结果 优化了纳洛酮的合成工艺，甲磺酸／DL-甲硫氨酸法试剂价格低廉，可降低生产成本；而氢溴酸法不但试剂价格更低，还可将去氧甲基化和水解合并为一步反应，使新工艺的总收率提高到59.90%，产品质量符合中国药典。

A new synthesis method of Taxane s was reported involving radicals generated from hypophosphorous acidn initiated by 2,2′-azobisisobutyronitrile.

由偶氮二异丁腈引发次磷酸产生次磷酸根自由基，以链式自由基反应机制脱除紫杉烷类化合物结构中的含氧基团，简单、高效地合成了紫杉烷。

A new synthesis method of Taxanes was reported involving radicals generated from hypophosphorous acid n initiated by 2,2′-azobisisobutyronitrile.

由偶氮二异丁腈引发次磷酸产生次磷酸根自由基，以链式自由基反应机制脱除紫杉烷类化合物结构中的含氧基团，简单、高效地合成了紫杉烷。

A new synthesis method of metal-free phthalocyanine using 1,3-diiminoiso- indoline as main material and trimethoxysilane as hydrogen donator was developed in this paper.

本文建立了以酞菁素为原料，喹啉为溶剂，三甲氧基硅烷为供氢剂，合成无金属酞菁的新方法。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。