生物合成

Bioinformatics analyses and nuclear run-on transcription assays indicate that Pol IV does not engage in the efficient RNA synthesis typical of the three major eukaryotic DNA-dependent RNA polymerases.

生物信息学分析和核的连续转录分析表明，Pol IV并不参与三大真核细胞DNA依赖性RNA聚合酶的高效RNA合成。

Diosgenin, a steroidal sapogenin is extracted from the root of wild yam. It has been reported to have various biological activites, including reducing blood sugar, synthesizing steroid hormone, antioxidant and anti-inflammatory effects.

Diosgenin萃取於植物山药的根是类固醇皂元的一种，它已被报导具有不同的生物活性，包括：降血醣、合成类固醇荷尔蒙、抗氧化及抗发炎等效应。

This dissertation is focusing on the structure design, chemical synthesis and bioactivity study of active saponin derivatives.

本文主要涉及活性皂苷衍生物的结构设计、化学合成和生物活性研究等内容。

The interaction of chemical molecules and biological ones, especially sequence specific recognition and site-specific cleavage of DNA have many applications such as in DNA sequence determinations, chromosome analyses, gene therapeutics, and recombinant DNA manipulation. So it is significant to develop artificial enzymes for the scission of nucleic acid with high activity and selectivity at normal condition.

化学小分子与生物大分子的相互作用，尤其是人工核酸定位切断试剂对DNA的切断在DNA序列测定、染色体分析、基因治疗以及DNA重组方面有着广泛的用途，因此进行人工合成核酸定位切断试剂及其与DNA的相互作用的研究具有重要的理论意义和应用价值。

Daimosol S-330 a clear bio stable semi synthetic cutting fluid which can be used in general purpose applications for all ferrous and most non ferrous metals.

是一种生物稳定性高之半合成切削油，适用於所有含铁金属及大部分非含铁金属的研磨及加工。

The strategy of building the syn-anti chiral vicinal diolmoiety of sphingosine intermediate and the synthetic studies of anti-fungal antibioticssphingofungin using sugar as chiral pool are also described.

这些物质生理作用极强，但在机体中储存量极少、结构具有高度不均一性、生物和化学稳定性又差，它们的化学合成具有十分重要的理论和应用意义。

The main metabolic pathway used in the production of ALA is C4 pathway with glycine and succinate as precursors.

基于生物体内四碳途径的微生物生产法是合成ALA的新技术。

Containing sulfadiazine and ketoprofen on the synthesis of pharmaceutical wastewater has a stronger effect on treatment of microbes. It is not used to be dealt with by biologic wastewater treatment.

含磺胺嘧啶和酮基布洛芬的合成制药废水对微生物有较强的抑制作用，故不能使用生物法对其进行处理。

This paper reviews the recent progress on the Chinese syntheic research of marine natural products according to type classifications: marine cyclopeptides, cembranes, cembrenss, cembranolides, quinolone derivativcs, triacetonamine and subergorgic acid analogues.

由于海洋中的生物资源非常丰富，海洋中的生态环境与陆地显著不同，因此海洋天然产物具有独特的化学·结构和多种多样的生理活性。对这些物质的合成进行深入地研究，必将丰富天然产物化学的内容，促进有机化学基础

AIM: To explore the effects of peroxisome proliferator-activated receptor γ on the activity and expression of γ-glutamylcysteine synthetase, and its role in rats with chronic obstructive pulmonary disease.

目的： 探讨过氧化物酶体增生物激活受体γ对慢性阻塞性肺疾病大鼠肺γ-谷氨酰半胱氨酸合成酶活性及表达的影响，及在COPD发病中的作用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。