研究了超细超导体瓷料用化学合成法试制的新工艺。
Reasearch for the new process of super-fine superconductor ceramic powders by chemical synthesis is introduced.
二茂铁的合成方法分为化学合成法和电解合成法两大类。
The synthetic methods of ferrocene were divided into two categories:chemical synthesis and electrolyzing synthesis.
谷胱甘肽主要来源于动植物组织、化学合成法和发酵法。
Glutathione can be acquired from plant or animal tissues, or produced by chemical synthesis or fermentation.
除微生物发酵步骤,后五步化学合成法的总收率可达29%。
Except for the fermentation step, the total yield of the five chemical synthetic steps is 29%.
化学合成法存在收率低、产物不稳定以及合成成本高等缺点;
Chemical synthesis comes with many disadvantages like the low yield, instability of product quality and high cost.
对具体的合成路线作了比较:化学合成法工艺简单,但收率较低;
The process of chemical synthesis is simple, whereas this method gives a lower yield of product.
以抗坏血酸和活性钙为原料,利用机械化学合成法制备了抗坏血酸钙。
Calcium ascorbate has been prepared by mechanochemical synthesis method using ascorbic acid and active calcium as the raw material.
本文综述了番茄红素的生产方法,包括化学合成法,植物提取法和微生物发酵法。
In this paper, the ways of lycopene production was reviewed, including chemical synthesis, extraction from plant and microbial fermentation.
发酵工艺生产木糖醇无需木糖的纯化步骤,是取代化学合成法的一条可行工艺路线。
The fermentative process of xylitol is an interesting alternative to conventional chemical process, since it does not require initial xylose purification.
发酵工艺生产木糖醇无需木糖的纯化步骤,是取代化学合成法的一条可行工艺路线。
The fermentative process of producing xylitol is an better alternative than conventional chemical process, since it does not require initial xylose purification.
以氯金酸代替传统的引发剂过硫酸铵,通过一步化学合成法得到聚邻甲苯胺纳米纤维。
Poly(o-toluidine) (POT) nanofibers can be fabricated by using HAuCl4 instead of the traditional used ammonium persulfate as the oxidant through one-step chemical route.
从天然物提取法、生物组织培养法和化学合成法三个方面综述了紫草色素的制备方法。
The preparation of the Radix Arnebiae pigment is reviewed from extraction of natural plant, biological organization culture and chemical synthesis.
与传统的化学合成法相比,脂肪酶催化合成内酯具有方法简单、反应条件温和和产率高等特点。
Compared to conventional chemical synthesis, lipases catalyzed synthesis of lactones is simple, mild and highly productive.
综述国内外近年来用化学法合成具有电化学活性的二氧化锰的研究动态,并介绍几种常用的化学合成法。
A review is given on the recent progress in chemically prepared active manganese dioxide and several chemical synthesis methods are discussed.
同时重点介绍了氨基酸型表面活性剂的合成制备方法,其中包括化学合成法、酶合成法以及化学酶合成法。
The introduction was centered on synthetic methods of amino acid-based surfactants including the chemical synthesis, enzymatic synthesis, chemo-enzymatic synthesis.
同时重点介绍了氨基酸型表面活性剂的合成制备方法,其中包括化学合成法、酶合成法以及化学酶合成法。
The introduction was centered on synthetic methods of amino acid-based surfactants including the chemical synthesis, enzymatic synthesis, chemo-enzymatic synthesis. Finally, the devel...
同时重点介绍了氨基酸型表面活性剂的合成制备方法,其中包括化学合成法、酶合成法以及化学酶合成法。
The introduction was centered on synthetic methods of amino acid-based surfactants including the chemical synthesis, enzymatic sy…
丁酸发酵是一种终产物抑制发酵,因此微生物发酵法生产丁酸收率低而经济效益差,目前尚难替代化学合成法。
Because of butyric acid fermentation inhibited by its end products, microbial fermentation is both low productive and expensive nowadays and difficult to compete with chemical synthesis.
甘露醇和山梨醇是一对同分异构体,在化学合成法生产甘露醇时,所产生的山梨醇母液,不可避免的含有部分甘露醇。
Mannitol and sorbitol is a pair of isomer, when mannitol was produced by chemical synthesis, it is ineluctability that there is some part of mannitol retained in the byproduct liquid of sorbitol.
着重综述了维生素k的生产工艺。探讨了化学合成法生产维生素k的废液的治理途径,论证了微生物发酵法生产维生素k的可行性。
Its production technology was reviewed emphatically, the treatments of wastewater were discussed, and the new idea of vitamin K production by microbial fermentation was brought forward too.
而化学合成法制备茶氨酸,操作相对简单,易于工业化生产,但产品多为D -、L -的混旋体,D -茶氨酸的分离与去除具有较高的技术难度。
Chemical synthesis course is simple which can be industrialized, the product is DL-enantiomer, it is difficult to separate and get rid of D-Theanine.
而化学合成法制备茶氨酸,操作相对简单,易于工业化生产,但产品多为D -、L -的混旋体,D -茶氨酸的分离与去除具有较高的技术难度。
Chemical synthesis course is simple which can be industrialized, the product is DL-enantiomer, it is difficult to separate and get rid of D-Theanine.
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