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- white graft reaction 苍白移植物反应
- The effects of hexanolactam as electron donor on graft reaction was investigated. 并探讨了己内酰胺作为电子给体添加剂对接枝反应的影响。
- Synthetic conditions, effect on graft reaction and heat stabilization of copolymer of SMAS/AM/starch were studied. 研究了甲基丙烯磺酸钠(SMAS)、丙烯酰胺(AM)与淀粉接枝共聚物的合成方法,接枝反应的影响因素和热稳定性。
- Graft reaction of acrylonitrile onto preirradiated tetrafluoro ethylene-hexafluoro ethylene copolymers powder has been reported. 报导预辐照聚全氟乙丙烯粉粒的丙烯腈接枝反应。
- Microcrystalline celluose was processed beforehand in expriment, then it made graft reaction with 3-chloromethyl-4-aminobenzoic. 该课题探讨了多种改性微晶纤维素的合成路线，并归纳出了一条较好的路线：先通过氯甲基化反应制备3-氯甲基-4-氨基苯甲酸，再采用二步法对微晶纤维素进行改性，即微晶纤维素经过预处理后，使3-氯甲基-4-氨基苯甲酸与预处理过的微晶纤维素进行接枝反应，并研究了反应条件对产率的影响；
- The starch must be dextrinized before graft reaction, and amylopection is more suitable and initiator is potassium persulfate. 淀粉接枝前应先糊化、宜用支链较多的淀粉和过硫酸钾作引发剂。
- The melting graft reaction between maleic anhydride(MAH)and polyethylene wax(PEW)was studied,and polar group was added to the chain of PEW successfully. 研究了聚乙烯蜡(PEW)与马来酸酐(MAH)熔融接枝反应,在PEW分子链上引入了极性基团。
- Study on the effecting factors of the graft reaction of lignin from treating paper-pulping black liquor in acidification with acrylamide was accomplished. 对碱法麦草制浆黑液酸法回收的木质素与丙烯酰胺接枝共聚反应进行了试验研究。
- The degree of soy protein isolate (SPI)-saccharide graft reaction heated by electricity in the atmospheric pressure and microwave radiation were studied. 采用常压电加热与微波辐射加热两种方式对大豆分离蛋白(SPI)-糖接枝反应程度的影响进行了研究。
- Graft copolymer of acrylic acid (AA) onto styrene-butadiene-styrene (SBS) block copolymer was synthesized by using benzoyl peroxide (BPO) as initiator , toluene as solvent Its structure of graft reaction were investigated with infrared spectrum . 以过氧化苯甲酰(BPO)为引发剂,甲苯为溶剂,进行了丙烯酸(AA)与SBR的接枝共聚反应,合成了主链为SBS,支链为聚丙烯酸(PAA)的接枝共聚物(SBS-g-AA)。 其结构已被红外光谱分析所证实。
- Graft reactions ofcarbon black in presence of An wer e investigated and effects of experimental factors ongraft reaction were discus sed. 由球磨法制得炭黑接枝苯胺，并研究了接枝聚合反应的影响因素。
- Graft copolymerizations of butyl acrylate(BA) onto starch(S) were carried out with ceric ammonium nitrate as initiator, and influence of starch pasting on graft reaction is tested. 以硝酸铈铵为引发剂将丙烯酸丁酯(BA)与淀粉(S)接枝共聚,考察了淀粉糊化对接枝反应的影响。结果表明:接枝特征参数(接枝率、接枝效率、接枝频率和支链的平均分子量)在淀粉糊化后都有所降低。
- The implement method of graft reaction, the propertiesand applications of grafted polypropylene are reviewed. 介绍了聚丙烯接枝反应的实施方法，以及聚丙烯接枝物的性能和应用。
- I heard John was the republican's great white hope. 我听说约翰是共和党人寄予巨大希望的人。
- The land is laid down with red or white clover. 这块土地种上了红花和白花苜蓿。
- This cloth has a pattern of blue and white squares. 这种布有蓝白格子的图案。
- In the grafting reaction,the high graft yield is gained when POE is the grafting polymer,by using its structural properties such as higher branched degree and bigger side-chain. 将POE作为接枝机体树脂,利用其支化度比较高、容易形成接枝点来获得较高的接枝率;
- England are playing in the blue and white strip. 英格兰队穿著蓝白色运动衣进行比赛。
- The results showed that grafting reaction must be operated in nitrogen, otherwise the fabric will be yellowed. 结果表明,接枝反应必须在氮气保护下进行,否则织物严重泛黄。
- Black and white show a striking contrast. 黑和白形成明显的对比。
