查询词典 null

Colombo J C%Silverberg N%Gearing J N Biogeochemistry of Organic Matter in the Laurentian Trough-Composition and Vertical Fluxes of Rapidly Setting Particulate Matter 10.1016/0304-4203(95)00059-3 Marine Chemistry , 1996b,null

段毅 南沙海洋沉积物中生物标志化合物的组成及地化意义海洋与湖沼， 1996，(3)唐运千%龚敏长江口外沉积物中多环芳烃结构类型的分布东海海洋， 1991，1

Some morphological parameters in plants were measured.Results showed that the null mutants had longer plants,wider leaves and longer legumen stems,compared with the wild type.

结果表明2个缺失突变体的植株高度、叶片宽度、长角果果柄长度都明显超过野生型，而超表达突变体的部分指标与野生型相比也有明显差别。

Ulrich W R%Novacky A Nitrate - depontent membrane potential changes and their induction in Lemna gibba 10.1016/0304-4211(81)90233-9 Plant Science Letters , 1981,null

张亚丽%沈其荣%段英华不同氮素营养对水稻的生理效应南京农业大学学报， 2004，2

Yu C G%Ma M%Ding T%Hetrick F,Hsu H T Biochemical characterization and time course analysis of Lymantria dispar nuclear polyhedrosis virus with monoclonal antibodies Canadian Journal of Microbiology , 1992,null

王根 棉铃虫核型多角体病毒多角体蛋白基因的克隆和核苷酸序列分析病毒学报， 1997，(1)吴柏春 1990中国棉铃虫核型多角体病毒VH A273毒株多角体蛋白某些理化特性的研究病毒学杂志， null，null

Menzie C A%Potocki B B%Santodonato J Exposure to carcinogenic PAHs in the environment 10.1021/es00031a002 Environmental Science and Technology , 1992,null

郑一%王学军%李本纲%曹军%陶澍%刘瑞民天津地区表层土壤多环芳烃含量的中尺度空间结构特征环境科学学报， 2003，3

Burroughs W%Nelson D K%Mertens D R Protein physiology and its application in the lactating cow:The metabolizable protein feeding standard Journal of Animal Science , 1975,null

陈喜斌 不同氮源日粮在瘤胃发酵和消化规律的研究北京：北京农业大学， 1994，null

Gize A P%Manning D A C Aspects of the organic geochemistry and petrology of metalliferous ores New York:Plenum Press , 1993,null

庄汉平 与有机质有成因联系的金属矿床地质地球化学， 1996，(4)涂光炽中国层控矿床地球化学北京：科学出版社， 1988，null

Jaffé r T%Reeves R D%Becquer T The Ecology of Ultralmafic and Metalliferous Areas ORSTOM,New Caledonia , 1997,null

欧阳喜辉%崔晶%佟庆长期施用污泥对农田土壤和农作物影响的研究农业环境保护， 1994，6

SCHOLZ R Microchemical studies of the changes during vernal activity in Ginkgo biloba J Elisha Mitchell Sci Soc , 1932,null

张泓%胡正海油松茎初生结构中树脂道发育的研究西北植物研究， 1984，2

Chen J Edge effects:microclimatic pattern and biological responses in old-growth Douglas-fir forests Seattle,WA,USA:University of Washington:, 1991,null

马友鑫%刘玉洪%张克映西双版纳热带雨林片断小气候边缘效应的初步研究植物生态学报， 1998，3

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。