查询词典 null function

P R Quasi-geostrophic frontogenesis over topography Journal of the Atmospheric Sciences , 20,null

吴国雄%蔡雅萍%唐晓菁湿位涡和倾斜涡度发展气象学报， 1995，4

Bannon P R A Semi-geostrophic model of frontogenesis over topography Cont Atmos Phys , 1984,null

赵思雄 1998年7月长江流域特大洪水期间暴雨特征的分析研究气候与环境研究， 1998，4

This meaning of null, however,is not related to uncertainty or fuzziness.

这个零位的意思，然而，不与不确定性或模糊有关。

When the galvanometer reads zero the circuit is in the null-balance position.

当检流计的读数为零时，电路处于零平衡位置。

In the study of the asymptotic properties, the testing statistics converges to a zero mean Gaussian process and is very sensitive to the to the local alternatives converging to the null one at a parameter convergent rate.

研究发现，文中的检验统计量在原假设下渐近收敛于一个零均值的高斯过程，并且对以参数速度收敛到原假设的被择分布特别敏锐。

This dissertation is deals with study some of the specific linearity tests and investigate the possibility to find a specific linearity test that can use to accurately determinant the alternative nonlinear model and avoiding chose alternative nonlinear model other than the true DGP series generating from, in the case of rejecting the null model.

本文主要研究非线性时间序列模型的一些特定线性性检验问题，通过对研究文献的回顾与综述，研究者试图回答：为什么研究者倾向于使用非线性时序模型？为什么要进行非线性时序模型的线性性检验，并以此作为本研究的逻辑引导。

Vergara J M%Fernandez-Palacios H%Robaina L The effects of varying dietary protein level on the growth,feed efficiency,protein utilization and body composition of gilthead sea bream fry Fisheries Science , 1996,null

钱雪桥%崔奕波%解绶启%薛敏养殖鱼类饲料蛋白需要量的研究进展水生生物学报， 2002，(4)杨国华%李军%郭履骥夏花青鱼饵料中最适蛋白质含量水产学报， 1981，1

These include the department of the amount of wrinkles, yu weiwen, glabella wrinkles, lower profile, nasolabial fold pattern.results300 cases of patients with botulinum toxin type a treatment effect were 234 cases (78%), 66 cases were effective (22%), 0 case was null and void.conclusionsa-botox in the treatment of facial wrinkles precise and effective,simple,easy,painless,non-impact,easy-to-promotion.

其中包括额部皱纹、鱼尾纹、眉间皱纹、下睑纹、鼻唇沟纹。结果：300例患者行a型肉毒毒素治疗后显效者234例（占78%），有效者66例（占22%），无效者为0例。结论：a型肉毒毒素在治疗面部皱纹确切有效，操作简便、易行，无痛苦，不影响工作，易于推广。

Hock R Temperature index melt modeling in mountain areas Journal of Glaciology , 2003,null

康尔泗%朱守森%黄明敏托木尔峰地区的冰川水文特征乌鲁木齐：新疆人民出版社， 1985，null

Wang Xueqiu National and global scale geochemical mapping for mineral exploration and assessment in China Explore , 2005,null

王学求%迟清华%孙宏伟荒漠戈壁区超低密度地球化学调查与评价--以东天山为例新疆地质， 2001，3

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。