查询词典 elasticity of substitution

Carboxymethyl starch was prepared from cornstarch by using a dry method,and the molecular structure,granule configuration and crystallizability of the carboxymethyl starches with different substitution degree were investigated by using ultrared spectrograph,electro scanning microscope and x-ray crystallograph.

张慧，董海洲，侯汉学，刘传富，干法羧甲基化反应对玉米淀粉颗粒性质影响的研究以玉米淀粉为原料，干法制备羧甲基淀粉，并利用红外光谱仪、扫描电子显微镜和X-射线衍射仪对不同取代度的羧甲基淀粉的分子结构、颗粒形貌及结晶性进行了研究。

ORAn M.S. degree with five plus (5+) years of experience in the field can be a good substitution.

或相关的硕士学位与5 年以上的相关工作经验。

Its main objectives include compensation for the consequences of handicap, participation in the general life of society, notably guaranteeing the accessibility of the established framework and integration by education and employment, and finally the substitution of an administrative logic by a service logic, placing the handicapped person at the centre of system concerning him: information, freedom to choose a life plan, simplification and rationalisation of procedures, etc.

它的主要宗旨包括报偿为障碍，参与的后果社会一般生活，显达地保证可及性这个被建立的框架和综合化由教育和就业，和最后行政逻辑的代替人由服务逻辑，安置残疾人人在系统中心关于他：信息，自由选择生活计划，规程的简单化和合理化，等

A novel population consisted of 86 single segment substitution lines were developed from advanced backcrosses between the recipient, Huajingxian 74 and six donors by microsatellite marker-assisted selection.

以水稻品种华粳籼74为受体，以6个水稻品种为供体，通过高代回交和微卫星标记辅助选择相结合的方法，建立了水稻的一个单片段代换系群体。

Guangdong Key Laboratory of Plant Molecular Breeding, South China Agricultural University, Guangzhou 510642,ChinaA novel population consisted of 86 single segment substitution lines were developed from advanced backcrosses between the recipient, Huajingxian 74 and six donors by microsatellite marker-assisted selection.

以水稻品种华粳籼74为受体，以6个水稻品种为供体，通过高代回交和微卫星标记辅助选择相结合的方法，建立了水稻的一个单片段代换系群体。

In this paper,the inheritance and transmission law of the character for wheat leaf-tip necrosis were firstly investigated with the contrasting character of leaf-tip necrosis and normal leaf in wheat varieties for basic test materials by reciprocal crosses and backcrosses,hybrid progeny analysis and aliencytoplasm substitution.

小麦干尖叶是近年在小麦育种中所发现的一种叶部坏死性状，直接影响小麦的产量。

Carboxymethyl fenugreek gum with different degree of substitution was synthesized with NaOH and sodium monochloroacetate powder as the basifying and etherifying agents.

通过加入NaOH与一氯乙酸钠固体进行香豆胶的碱化和醚化，制备了不同取代度的羧甲基香豆胶。

Christian Chivu should have partnered Cordoba at centre half, but what is even more bemusing is that it was quite clear in the opening 28 minutes, with Inter 1-0 down (although the substitution couldn't take place until after the second goal), that Burdisso could not cope with Floccari.

Christian Chivu应该和科尔多巴一起在上半场出现在中卫的位置上，但是更让人茫然的是在开场28分钟，当国际米兰1-0落后，布尔迪索跟不上Floccari。

Result:The sterandryl substitution group and the vacation surgery group comparatively castrates the group brain stem dead volume obvious increase; The Bax protein expression masculine cell number expression also increases.

线栓法建立大鼠局灶性脑缺血再灌注损伤模型，TTC染色测脑梗死体积及免疫组化染色检测脑组织Bax的表达。结果：丙酸睾酮替代组和假手术组较去势组脑梗死体积明显增加；Bax蛋白表达阳性细胞数表达也增加。

Chlorine atoms were selectively introduced into the chlorin ring based on different reactivity between vinyl group at 3-position and 20-meso position by electrophilic addition and electrophilic substitution using hydrogen peroxide/hydrochloric acid, N-chlorosuccinimide, hydrogen chloride (or concentrated hydrochloric acid) as chlorinating reagent.

以过氧化氢/盐酸、N-氯代丁二酰亚胺、氯化氢为氯化剂，根据3-乙烯基和20-meso-位的不同化学反应活性，通过亲电加成和亲电取代反应，在二氢卟吩环上选择性地引进氯原子，完成8种未见报道的具有叶绿素-a基本碳架的氯代二氢卟吩衍生物的合成。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48