Except for the fermentation step, the total yield of the five chemical synthetic steps is 29%.
除微生物发酵步骤,后五步化学合成法的总收率可达29%。
This paper reports about the chemical synthetic method of the urea hydrogen peroxide with urea and hydrogen peroxide.
以尿素与过氧化氢为原料合成过氧化氢脲,对其合成方法进行了筛选。
This study investigates the various approaches in chemical synthetic as well as purification and developments of re - Search.
作者论述了蔗糖酯的各种化学合成、分离提纯方法及其研究进展。
This experiment include the chemical synthetic modification of larch extract tannin and the measure of its water treatment properties.
实验分为落叶松单宁的化学合成改性和其水处理性能的检测两大部分。
The recent advances in biodegradable polymers for medical applications were reviewed according chemical synthetic, biosynthetic and natural polymers respectively.
对目前医用可生物降解高分予材料的研究及应用状况分化学合成、天然和生物技术合成三类作了综述。
All of above chemical synthetic drug are effective and have some side effect or addiction to some extent, some of which even aggravate the depressive state of patients.
这些化工合成药物均有一定的疗效,但也均有不同程度的副作用和依赖性,有的甚至反而加重病人抑郁状态。
The main idea here is that synthetic chemical dyes replaced textile dyes.
其主要想法是合成化学染料代替纺织染料。
Textile dyes, such as indigo, were mostly of plant origin until the advent of synthetic chemical dyes.
在合成化学染料出现之前,诸如靛蓝之类的纺织染料主要来源于植物。
Our core technology is to change the chemical production of coatings to the natural and synthetic ones from plants extracting.
我们企业的核心技术是将涂料的化工生产改变为从植物提取原料进行天然合成。
In fact, I find the range and variety of synthetic hair color to be an impressive testament to our unending chemical creativity.
事实上,我发现大范围各种各样的合成染发剂对永恒的化学创造力来说是有力的论证。
The synthetic peptides, developed by a Harvard chemical biologist, have been described as a type of magic bullet that can deliver particularly potent doses of drugs at the cellular level.
这个由哈佛一名生化学家开发的合成肽据称能够像一种有魔力的子弹,能够在细胞水平上运载特定剂量的药物。
But this is claimed to be the first time that such chemical separation has been demonstrated in a synthetic membrane.
但是这是第一次证明有这种合成膜。
And trucks ply Shahe roads loaded with bags of synthetic soda ash, the product of a chemical process environmentalists forced out of the U.S. in 1985.
卡车带着一包包人造的纯碱在沙河的路上来来回回,而这种化学产品正是1985年被美国的环保主义者所驱赶出去的。
The Sheffield research is the result of an interdisciplinary collaboration of computer scientists and chemical engineers in a new discipline called Synthetic Biology.
谢菲尔德的研究,是一个被称为合成生物学的新的跨学科合作—即计算机科学家和化学工程师合作而产生的结果。
This is because they are made from a petroleum-based synthetic material that is designed to provide chemical resistance.
这是因为它们是由一种以石油为基础的合成材料制成的,目的是为了有耐化学性。
This paper describes the method of chemical synthesis and biological activity of ofurace, A desired synthetic route is proposed.
本文介绍了甲呋酰胺的化学合成方法及生物活性,推荐了一条较为合理的合成路线。
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。
In chemical industry, polymerization is used to produce synthetic resins and elastomers.
在化学工业中,聚合用于生产合成树脂和弹性体。
Besides its novelty, a synthetic steroid's chemical stability under testing conditions also affects its chances of detection.
除了新颖性之外,在检验条件下的化学安定性,也攸关著合成类固醇能被筛检与否。
Cancer chemoprevention is defined as the use of natural, synthetic, or biologic chemical agents to reverse, suppress, or prevent carcinogenic progression to invasive cancer.
摘要肿瘤的化学预防,即应用天然的、合成的或者生物化学因子逆转、抑制或阻止肿瘤进展为浸润性肿瘤。
This research advance was summarized in synthetic methods of the isoflavone derivatives in chemical modification.
本文从异黄酮侧链化学修饰出发综述了该类化合物衍生物的合成研究。
Agricultural income is also derived from non-food crops such as rubber, fiber plants, tobacco, and oilseeds used in synthetic chemical compounds.
农业收入还来自非粮食作物,如橡胶、纤维植物、烟草以及可用于生产化学合成品的油料作物。
Synthesis condition and method of hexagonal calcium aluminate hydrate are described. The synthetic hexagonal calcium aluminate hydrate is characterized through chemical, TG-DTA and XRD analysis.
叙述了六方水合铝酸钙的合成条件和方法,并通过化学分析、TG - DTA分析和XRD分析对所合成的六方水合铝酸钙进行了表征。
Our products are widely used as raw material of synthetic resin, paint and ink, daily chemical product, emulsifier, mineral separation agent and so on.
公司产品广泛用作合成树脂、油漆油墨、日用化学品、乳化剂、选矿剂等产品的原料。
The chemical composition of natural and synthetic musk is introduced. The formula and application of synthetic musk are stated.
叙述了天然麝香与合成麝香的化学组成,合成麝香香精的配方和用途。
The chemical composition of natural and synthetic musk were introduced, and the prescription and application of synthetic musk were stated in this paper.
叙述了天然麝香与合成麝香的化学组成,合成麝香香精的配方和用途。
The chemical composition of natural and synthetic musk were introduced, and the prescription and application of synthetic musk were stated in this paper.
叙述了天然麝香与合成麝香的化学组成,合成麝香香精的配方和用途。
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