查询词典 graft

Graft copolymerization of chitosan is more attractive to expand the applications as functional materials.

接枝改性是改善壳聚糖性能的有效途径。

This article discusses the effect of reaction conditions on graft copolymerization and use as additives in papermaking was investigated.

结果表明，改变投料方式、控制两种单体适当的配比，可以获得较高分子量和阳离子度的稳定胶乳产品。

The in situ graft copolymerization of starch with D, L-lactide was investigated.

研究了在聚乙二醇存在下，淀粉与丙交酯的原位熔融接枝反应。

By the research of tapioca starch and acrylic acid graft copolymerization, influencing rules of reaction conditions were discussed.

通过对丙烯酸与木薯淀粉接枝反应的研究，得出不同反应条件对接枝反应的影响规律。

To evaluate short-term effect of CCHA (compound coralline hydroxylapatite ) in clinical application as a substitute of auto-graft.

一研究、观察实验剂量下的基因重组人骨形态形成蛋白-2(rh-BMP-2)的临床效应，成骨效果及可能的副作用。

Methods: A composite of coralline hydroxyapatite,used as bone graft supporting frame,human bone morphogenetic protein2(rhBMP2) and type I collagen,used as carrier of rhBMP2, was prepaired and transplanted into cranial defects of mice;the effects were observed.

采用珊瑚转化多孔羟基磷石作为移植物支架，用I型胶原作为rhBMP－2的缓释载体及赋形剂，将三者复合制成新型人工骨，进行了大鼠标准颅骨缺损骨移植实验。

Effective prevention of corneal graft rejection is very important for the success of the operation.

如何有效防治移植排斥反应是提高角膜移植手术成功率的关键因素之一。

Cornhusk ; superabsorbent resin ; graft copolymerization ; acrylic acid

玉米秸秆；高吸水树脂；接枝共聚；丙烯酸

Using potassium persulfateas initiator and N, N′-methylenebisacrylamideas crosslinker, the graft copolymerization of acrylic acidonto modified cornhusk fiber was carried out.

将玉米秸秆进行提纯改性，采用过硫酸钾为引发剂、N，N-亚甲基双丙烯酰胺为交联剂，使其与丙烯酸接枝共聚合成农用高吸水树脂，通过试验对比最终确定最佳条件为改性玉米秸秆与丙烯酸的质量比为1∶6、丙烯酸中和度为70%、反应时间为4h、烘干温度为60°C；对最佳条件下制备的树脂进行了吸水倍率的测试；对秸秆预处理前后及接枝产物进行了红外谱图分析。

The risk of RD increases with time, but does not correlate with the rate of graft loss.

随着时间的推移RD的危险逐渐增加，但是和移植物的丢失无明显相关性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐