查询词典 null function

WANG L J%JIANG W B%HUANG B J Promotion of 5-aminolevulinic acid on photosynthesis of melon seedlings under low light and chilling stress conditions 10.1111/j.0031-9317.2004.00319.x Physiol Planta , 2004,null

汪良驹%姜卫兵%黄保健 5-氨基乙酰丙酸对弱光下甜瓜幼苗光合作用和抗冷性的促进效应园艺学报， 2004，3

Demming-Adams B%AdamsⅢ W W Xanthophyll cycle and light stress in nature:uniform response to excess direct sunlight among higher plant species Planta , 1996,null

潘秋红%朱靖杰%蔡世英%胡耀华不同光习性植物光合诱导现象的研究热带作物学报， 1996，02

Kuiper D%Smid A Genetic differentiation and phenotypic in Plantago major ssp major I The effect of differences in level of irradiance on growth,photosynthesis,respiration and chlorophyll content Physiology Plant , 1985,null

赵世杰%刘华山%董新纯植物生理学实验指导北京：中国农业科技出版社， 1998，李新举%张志国%李贻学土壤深度对还田秸秆腐解速度的影响 10.3321/j.issn：0564-3929.2001.01.020 土壤学报， 2001，(01)束怀瑞果树栽培生理学北京：中国农业出版社， 1993，null

Kummerva M Localization of acid phosphatase in maize root under phosphorus deficieacy Biologia Plantarium , 1986,null

李玉京%李滨低磷营养胁迫条件下小麦RNA酶与酸性磷酸酶活性的变化西北植物学报， 1997，4

They are already being evaluated in clinical trials as potential therapeutic agents for major human neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease and motor neuron disease. However, delivery of polypeptide growth factors to compromised neurons in the CNS is problematic because their plasmatic half-life are very short and their abilities to cross the blood-brain barrier are theoretically null.

然而由于中枢神经系统中存在血脑屏障，神经营养因子类物质难以通过血脑屏障而到达靶部位；同时又因为神经营养因子在体内生物半衰期较短，使得全身性用药效果不够理想，另外还往往产生意想不到的副作用，如何解决这些问题对于深入研究神经营养因子在神经损伤及神经系统退行性疾病中的作用及开展临床应用前景研究有着十分重要的意义。

In some cases, especially when a scripting language is used, the attack string is supposed to be postfixed with a NULL character.

在某些情况下，特别是使用脚本语言时，攻击字串通常会跟在 NULL 字元后面。

Depending on the parsing in the scripting language, NULL may remove postfixed data when an insertion is taking place.

有些程式语言在解析时会将 NULL 之后的资料加以移除。

To monitor transfection efficiency, 50 ng of the pRL-null plasmidencoding Renilla luciferase was included in all samples.

至 监测转染效率，50 PRL一空plasmidencoding海肾荧光素酶的议员被列入所有样本。

To monitor transfection efficiency, 50 ng of the pRL-null plasmidencoding Renilla luciferase was included in all samples.

HEK293细胞接种到12孔板和0.5微克的神星启动建设用脂质体转染 2000（Invitrogen公司）根据制造商的说明。

Noordeen MH%Haddad FS%Edgar MA Spinal growth and a histologic evaluation of the Risser grade in idiopathie scoliosis Spine , 1999,null

仉建国%卢文灿%邱贵兴%王以朋%于斌%任玉珠肋骨结构性支撑植骨在青少年特发性脊柱侧凸前路矫形融合术中的应用中国脊柱脊髓杂志， 2007，4

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。