生物活性的

Oligostilbenes are a type of compounds with complex structures and multi-faced bioactivities, polymerized from stilbene monomers.

二苯乙烯类低聚体是由二苯乙烯单体以不同方式聚合而成的一类结构复杂，具有多种生物活性的化合物。

In order to find biologically active urea compounds,seven new N-[5-(3-pyridyl)-1,3,4-thiadiazol-2-yl]-N'- urea derivatives were synthesized by the reaction of 2-amino-5-(3-pyridyl)-1,3,4-thiadiazole with aroylazides,which were prepared starting from carboxylic acids,ethyl chloroformate and sodium azide by one-pot procedure.

为了寻找高生物活性的脲类化合物，通过2-氨基-5-(3-吡啶基)-1，3，4-噻二唑与酰基叠氮化物反应，设计合成了7个新的N-[5-(3-吡啶基)-1，3，4-噻二唑-2-基]-N'-取代苯基脲，其中芳酰基叠氮化物是以芳酸、氯甲酸乙酯、叠氮化钠为起始原料采用&一锅法&所制得。

The purified TGF β1 monomer protein can form into active dimeric TGF β after refolding in vitro.

纯化的TGFβ1单体蛋白通过体外再折叠可以形成具有生物活性的TGFβ1双体分子。

A optimum technology of extracting bioactive components named Iridoids in Eucommia ulmoides was investigated by orthogonal test in this paper.

本文研究了杜仲中具有生物活性的环烯醚萜类化合物的最佳提取工艺。

These transgenic cells were able to secrete hEGF protein to certain extent, and have the biological activities to enhance the growth rate of Hacat cells in vitro. Conclusion: Adult epidermal keratinocytes in vitro transfected with exogenetic hEGF cDNA can express and secrete active hEGF.

质粒pcDNA3.1-hEGF在脂质体介导下成功转染成人皮肤角质形成细胞，转基因细胞能分泌有生物活性的EGF；体外培养的成人皮肤角质形成细胞可见少量EGF分泌。

Although the number of patients in each cohort was small, there was evidence of bioactivity, because several patients, especially those receiving 2 or 4 mg of VEGF Trap-Eye, showed substantial improvement in BCVA associated with reductions in foveal thickness.

虽然每个队列患者人数不多，但是有生物活性的证据，因为在某些患者，尤其是那些接受2或4毫克VEGF Trap-Eye者，显示出了最佳矫正视力与中心凹厚度减少相关的实质性改善。

An active isoflavone compound 3′methoxy puerarin was isolated from puerarin lobate.

3′ 甲氧基葛根素是从常用中药野生葛根中分离提取出来的一种具有很强生物活性的异黄酮类化合物。

A review of 31 new pesticides and 35 new lead compounds with pesticidal activities disclosed in 11th IUPAC international congress of pesticide chemistry .

概述了第11届IUPAC国际农药化学会议中公开的31个新农药品种和35个具有生物活性的新化合物。

S-petasin and iso-S-petasin are bioactive compounds isolated from leaves or roots of Petasites hybridus Engl.

硫蜂斗菜素及异硫蜂斗菜素是由Petasites hybridus的根或叶萃取出来且具有生物活性的成份。

Chiral propargylic alcohols present in many bioactive natural products.These building blocks are also important pharmaceutical intermediates.

手性炔丙醇结构存在于许多具有生物活性的天然产物中，并且也是许多手性药物的重要合成前体。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。