从鸡胚内提取具有神经营养生物活性的组分。
To extract neurotrophic active substance from chicken embryo and study their bioactivity.
植物药用成分的确存在天然生物活性的问题。
Herbal ingredients have the problem of natural biological activity.
环不是该类化合物具有生物活性的必需骨架部分。
D ring is not a necessary backing part which has biological activity in these compounds.
此类材料有望成为一种生物活性的骨组织工程材料。
This material was expected to be a bioactive bone tissue engineering material.
聚酮化合物是一类重要的具有生物活性的次级代谢物。
Polyketides are an extremely important class of bioactive secondary metabolites.
细胞因子是具有多种生物活性的可溶性小分子蛋白质。
Cytokines are small, soluble proteins with pleiotropic effects on a variety of cell types.
目的：研制具有生物活性的椎体，探讨其临床应用效果。
Objective: To prepare the biological vertebral body and explore its clinical result.
综述了近几年硫酸化多糖的制备及其生物活性的研究情况。
The progresses on preparation of sulfated polysaccharides and its bioactivity were reviewed.
生物活性的材料是同样重要的在珊瑚礁找到的海洋生物成长。
Bioactive materials are equally important to growth of Marine life found in coral reefs.
本论文研究了具有生物活性的芪类化合物的合成与结构修饰。
In this thesis, the synthesis and its structure modification of bioactive stilbenes have been studied.
所得的复合材料有望成为负重骨缺损的有生物活性的修复材料。
The resultant composite is potential to be applied as bioactive bone repairing material in load bearing site.
目的：制备有高生物活性的重组蓖麻毒素a链蛋白(RTA)。
AIM: To prepare recombinant ricin A-chain (RTA) protein with high biological activity.
采用室内恒温培养研究了施肥对不同农田土壤微生物活性的影响。
The effects of fertilization on the activities of soil micro organisms were studied with indoor thermostatic culture.
蜂胶中含有超过180种化学成分，大多数是具有生物活性的成分。
Chemical Composition More than 180 compounds have been identified in propolis, and many are biologically active.
目的从人胚胎脑中提取对运动神经元具有生物活性的神经营养因子。
Objective to extract the neurotrophic factors with motoneuron neurotrophic activity from the brains of embryo.
由于材料表面类骨磷灰石的形成是材料是否具有生物活性的关键因素。
Bone-like appetite formation on the surface of material has been believed to be the key factor of material having bioactivity.
然而，磷酸钙陶瓷生物相容性和生物活性的机理至今尚未被充分阐明。
However, the mechanism of the bioactivity of calcium phosphate ceramics has not fully elucidated.
含吡唑和1,2,4 -三唑杂环化合物的合成、结构和生物活性的研究。
Research into the Synthesis, Structure and Biological Activity of Pyrazole and 1, 2, 4-triazole Compounds.
目的利用稻瘟霉生物活性筛选模型，筛选铁刀木中具有生物活性的化学成分。
Aim To apply conidia of Pyricularia Oryzae for the screening of bioactive constituents from Cassia siamea Lam.
通过对新化合物的归纳整理及生物活性的介绍，为新药的研究与开发提供参考。
By summarizing new compounds and intro during biological activity, providing reference for the new drug research and development.
本实验采用微波辅助热水提取法以牛蒡根为原料制备具有良好生物活性的菊糖。
In the experiment, inulin was prepared from burdock root by microwave-assisted hot water extraction.
因此，寻找其它有生物活性的移植材料，修复骨缺损是不少学者探索的主要目标。
Therefore it is the main object for many scholars to search for other live transplantation materials to repair bone defect.
本文综述了柑桔类黄酮生物活性的研究，并分析了其作为食品保健因子的可能性。
The advances of study about the biological activity of citrus flavonoids, and the probability as healthy factor in foods were reviewed in this paper.
这些纤维用锌或银离子进行补充处理，呈现了研制具有生物活性的粘胶纤维的可能性。
An additional treatment of these fibers with zinc or silver ions presents possibilities to develop viscose fibers with bioactive properties.
综述具有生物活性的含磷硫单键的有机磷化合物的合成方法，并对一些反应作出评述。
The synthetic methods of bioactive organophosphorus compounds with phosphorus-sulfur bond were reviewed, and some reactions in this paper were discussed.
对银杏多糖生物活性的研究现状进行了综述，并指出研究中存在的问题和今后的研究方向。
The research status of bioactivity was summarized, and the existing problems, study direction in the future were pointed out.
人们使用具有生物活性的天然产物来预防和治疗各种疾病，包括胃肠疾病，已经有很长的历史。
It has been a long history for people to take natural bioactive products for the prevention and treatment of multiple conditions, including gastrointestinal disorders.
人们使用具有生物活性的天然产物来预防和治疗各种疾病，包括胃肠疾病，已经有很长的历史。
It has been a long history for people to take natural bioactive products for the prevention and treatment of multiple conditions, including gastrointestinal disorders.
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