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The water quality also has some effects on crisping of Grass Carp by influencing the fish's physiology and metabolization.

水体水化学因子等环境条件只对草鱼脆化起间接辅助作用，它们通过改变草鱼的摄食量和营养转化率，影响机体正常的生理活动而导致草鱼肌肉蛋白合成与积累不同等表达出来，良好的水环境质量利于脆肉鲩养殖。

In this paper, grafting of crotonic acid, undecylenic acid, oleic acid, and acrylic acid onto acrylonitrile-butadiene-styrene terpolymer were studied. Experimental factors influencing grafting, kinetics and mechanism of grafting, the reactivity of grafted polymer, and the compatibilization effects of grafted ABS on ABS blends were investigated.

本文主要研究反式丁烯酸、10-十一烯酸、油酸、丙烯酸接枝ABS树脂的影响因素、接枝反应机理和动力学、接枝物的反应活性，以及接枝物对ABS共混物的增容作用。

Using the wasted cyanic copper-plating bath and electrolytic tank of new type designed by ourselves, to approach varieties of factors influencing upon the effect of de-cyaniding.

讨论了电解法处理含氰废水的原理，利用实际含氰镀铜废液和自行设计的新型电解槽，探讨了各种因素对脱氰效果的影响。

What\'s more, different intervals of UV have their own characters in influencing DNA: the damage to some bases by UVA may be more serious than that by UVB, and UVB did more severe damage to some deoxyribose than UVA; however, as far as the pyrimidine bases are concerned, the damage by UVB is by far more serious than that by UVA. These results may indicate that there are preferential damaging sites on DNA molecules caused by UVA and UVB irradiation. Moreover, with UVA or UVB irradiation for a long time, the photoreactivation of DNA occurred. The serious damage to deoxyribose and bases by UVB and UVC may confirm the conformation of cyclobutane pyrimidine dimers and (6-4) photoproducts.

而不同波段紫外辐射对DNA的损伤各具特点并且差异明显，UVA对一些碱基的损伤比UVB要严重，而UVB在对脱氧核糖和磷酸盐的损伤上又比UVA要严厉，但就嘧啶碱基来说，UVB对它的损伤远大于UVA，这似乎表明了不同的紫外波段对生物大分子DNA的损伤是有选择性的。

LMWH might regulate cytotrophoblast invasiveness in vitro by influencing the expression of MMP-2 and TIMP-2 in cytotrophoblastic cells.

低分子量肝素可能直接通过影响绒毛滋养层细胞 MMP-2、TIMP-2的表达进而影响绒毛滋养层细胞的侵袭能力。

Influencing factors on dampproof effect of microcapsules and study on mechanism

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In gas logging there are many factors influencing gas logging display,such as the physical property of hydrocarbons in formation, gas loss in mud outlet pipeline,mud property, the sensitivity of device to a certain component and the working effectiveness of degasser, etc. The influence of these fa tors on gas logging data is of randomness and fuzzyness.

在气测录井中，影响气测显示的因素很多，如地层烃类的物性、泥浆出口管线的散失、泥浆性能、仪器对某一组分的灵敏度和脱气器的脱气效率等，这些因素对气测资料的影响具有很大的随机性和模糊性。

In order to reduce the cost more and accelerate the application in the civil area, the laser rapid forming technology with low cost hydrogenation dehydrogenization titanium alloy powders had been investigated, and the following results were obtained:1 Disclosed the formation mechanisms and influencing factors of t.

为进一步降低该技术的成本，促进其在民用领域的发展，本文针对低成本氢化脱氢(hydrogenmiondehydrogenization，HDH)钛合金粉末的激光快速成形进行研究，取得的主要成果如下： 1。从粉末特性及成形工艺角度揭示了缺陷的形成机理及影响因素，结果发现：(1)气孔的产生是由于粉末在成形过程中卷入成形气氛中的氩气所致。

The method and influencing factors of in vitro conservation of Dendrobium officinale germplasm were studied.

研究了在低温条件下保存铁皮石斛种质资源的方法和影响因素。

The result shows that the Giant Panda habitat in Gansu is an under-plant population of forest communities with Fargesia denudate as the dominant species; that Giant Panda make movements at the altitudes ranging from 1 600 m to 2 000 m in Wenxian County and Diebu County; that the characteristics of bamboo population, geographical environment, along with the integrity of forest communities, are taken as the three dominant factors in influencing the life of Giant Panda;and that the features of the habitat are basically stable but reasonable distribution together with strong artificial disturbance is considered as the potential factor resulting in the habitat unstable.

结果表明：甘肃省大熊猫主要栖息在以缺苞箭竹为优势的下木种群森林群落中，其垂直活动范围主要集中在海拔1 600～2 800 m处，水平分布在文县和迭部一带；竹类种群的特性、地理环境和森林群落的完整性是大熊猫栖息生存的3个主要综合要素；甘肃省大熊猫的生境特征基本稳定，但该区竹类种群的正态性分布和人为干扰强度是构成其生境不稳定的重要潜在因素。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。