periodical decimal fraction
- periodical decimal fraction的基本解释
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循环十进小数
- 相似词
- 更多 网络例句 与periodical decimal fraction相关的网络例句 [注：此内容来源于网络，仅供参考]
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In playing the appraise through comparison of quality of all previous periodical that home holds all bear the palm, be labelled institute of information of science and technology of China of ministry of national science and technology " paper of Chinese science and technology and quotation database ", Documentation and Information Center of the Chinese Academy of Sciences " database of Chinese scientific quotation " periodical of core of Chinese of periodical of statistical source periodical, core of Chinese science and technology, whole nation, by CABI of AGRIS of Food and Agriculture Organization of the United Nations, England, zoologic record , United States, chemical abstract , polish Copernicus indexes , home is all with " China " the agricultural tabloid that name head publishs kind periodical of periodical and partial medicine abstract and " Chinese biology abstract ","."
在参加国内举行的历次期刊质量评选中均获奖，并被列为国家科技部中国科技信息探究所《中国科技论文和引文数据库》、中国科学院文献情报中心《中国科学引文数据库》统计源期刊、中国科技核心期刊、全国中文核心期刊，被联合国粮农组织AGRIS、英国CABI、动物学记录、美国DIALOG、化学文摘、波兰哥白尼索引、国内所有以&中国&名头出版的农业文摘类期刊和部分医学文摘期刊及《中国生物学文摘》、《中国学术期刊》等作为一次文献源期刊收录。
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The results shows:most periodical is bimonthly and there are only 4 semimonthly publications;the start publication time is centralized in 80 decade,20 century;publication area of the most periodical is Beijing city and the other periodical is in Jiangsu,Liaoning,Shanxi,Heilongjiang,Henan,Hubei and Zhejiang province;most periodical join in network with pe- riodicals network and there are few independence web site;there are 19 forestry kernel periodicals is summed up to agri- cultural key periodical.
历时两年时间，对我国公开出版的农业期刊进行了评选，于创】万年推出了中国农业核心期刊2田万版。中国农业核心期刊的推出，无疑给农业类期刊提供了一个更多的参考标准与依据。笔者无意对其评选的公正性等方面作深人探讨，而只是对入选期刊进行一个粗略的分析，以窥核心期刊之概况，并以此供期刊界同仁参考。
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The results indicated that the chemical fraction composition characteristics of heavy metals are different. Cu mainly existed in organic/sulphidic fraction and residual fraction; Pb mainly existed in carbonates, Fe-Mn oxides and residual fraction; Cd mainly existed in carbonates and Fe-Mn oxides fraction; Cr mainly existed in residual fraction.
结果表明，不同重金属在消落区沉积物中形态分布各异，Cu主要以有机物及硫化物结合态和残渣态形式存在，Pb主要以碳酸盐结合态、Fe-Mn氧化物结合态及残渣态存在，Cd主要以碳酸盐结合态、Fe-Mn氧化物结合态存在，Cr主要以残渣态存在。
- 更多网络解释 与periodical decimal fraction相关的网络解释 [注：此内容来源于网络，仅供参考]
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periodical decimal fraction：循环十进小数
periodic system 周期系 | periodical decimal fraction 循环十进小数 | periodicity 周期性