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- molecular size marker 分子大小标准参照物
- The rate of migration varies with molecular size and shape. 泳动速度随分子大小和形状而改变。
- Classification of membrane separations is based primarily on molecular size. 膜分离的分类基本依据是分子大小。
- The van der Waals' forces increase as the increase in molecular size. 范德华力随分子体积而增强。
- The majority of molecular size is larger than those of trisaccharide in the hydrolysate. 多数水解产物分子的大小在三糖以上。
- Fig. 1. Microsatellite marker on the promoter region of osteopontin gene in pigs. M stands for size marker of bands after electrophoresis. Homotypes are lane 1 and 2. Heterotype is lane 3. 图1.;猪的造骨蛋白基因启动区微卫星型遗传标记，M代表泳带大小的标竿，1和2是纯合型，而3是杂合型
- Particulate matter includes particles from molecular size to greater than 10Mm in diameter. 微粒物质包括从分子大小到直径大于10微米的粒子。
- The adsorption isotherm curve of cephalosprin C and the effect of the molecular size of adsorbates on the adsorption dynamics had been studied. 摘要研究了头孢菌素C的吸附等温线，考察了吸附质分子对吸附树脂吸附动力学性质的影响。
- The symplast is subdivided into several domains with varying molecular size exclusion limits (ranging from <1 kD to >10 kD). 共质体可以细分为数个区块，它们各自允许不同大小的分子(从低于1000到高于10000道尔顿)通过。
- Amylodextrin produced by microwaving process still remained some starch granules even though their molecular size had been dramatically reduced. 由微波辅助酸修饰所产生的微晶化糊精颗粒型态虽依然存在，但分子却明显变小。
- The shrinkage temperature(Ts) of the leathers tanned by the above agents were tested.And the differences of Ts were explained from the point of view of molecular size. 并对这些无铬鞣剂的分子结构进行计算机模拟,尝试从分子尺寸的角度解释收缩温度的差异。
- Its genome was composed of over 14 DNA molecules,which were different in molecular size and abundance. Molecular size of the genome was approximate 108 kbp calculated by patterns from six restrict endonucleases digestion. 琼脂糖凝胶电泳显示MmPDV基因组至少由大小不同、丰度不等的 14个DNA分子组成 ,用 6种内切酶 (EcoRI,HindIII,BssHII,PstI,BamHI,BglI)酶切MmPDV基因组后 ,估算出MmPDV基因组大小约为 10 8kb。
- Historically,developments in transdermal drug delivery have been incremental,The transdermal drug delivery(TDD) mainly depend on skin barrier its molecular size and hydrophilic/hydrophobic properties. 药物的透皮给药主要受到皮肤障碍、药物的分子量和亲水/油性等因素的影响。
- Since bromine has the greatest molecular size among the three halogens, thus bromine has the strongest van der Waals' forces between the molecules, and thus the highest boiling point. 由于在这三个卤素中，溴的分子最大，所以分子间的范德华引力最强，因而沸点最高。
- For the polysaccharides with immunity enhancement activity, the activity is affected by the constitutes of backbone chain, molecular size, and other factors which cause comformational changes of the polysaccharides. 对于免疫增强类多糖 ,多糖的主链组成、相对分子质量等对多糖的功效都产生影响 ,这些影响可能是通过改变多糖的高级结构发挥作用 ;
- They differ in size but not in kind. 这些东西的区别只是大小不同而实质一样。
- Particle diffusion coefficient obviously increased and the adsorption process was transferred from particle diffusion to membrane diffusion when molecular size of the adsorbate increased. 随着吸附质分子尺寸的减小,粒扩散系数显著减小,吸附过程由粒扩散转向膜扩散。
- The basis for membrane separations is the difference in permeability of a semiporous membrane to different molecular sizes. 膜分离技术的基础是不同大小的分子对半渗透膜渗透性不同。
- Some properties of collagen extracted from the fish skin by protease were analysed, such as amino acid composition, denaturation temperature and molecular sizes. 结果表明：用酶法提取草鱼皮胶原是可行的，但应加强皮的预处理；
- A large molecular sizing agent modified AKD was prepared through the reaction between alkyl ketene dimmer (AKD) and polyamide then cationization by epichlorohydrin. 将聚酰胺多胺与AKD反应,并用环氧氯丙烷将其阳离子化,制备出一种具有高阳电荷的改性AKD大分子,并在中、碱性条件下用该改性AKD对漂白硫酸盐阔叶木浆进行施胶。
