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previous investigation
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  前期调查
     The key points of greening design plan to this factory was introduced in this paper,and views on choice of tree species,previous investigation,and resolving contradictions between scientific planing and views from owner were presented.
     该文介绍了该厂新的绿化设计方案要点 ,并就树种选择、前期调查 ,及如何处理科学规划和业主意愿的矛盾提出意见。
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     Continuation of breast development was seen in 34.8%(8/28) of female children by the age of 4 years at the previous investigation, in 55.3% (21/38) of female children aged 5 years then, In 26.1% (6/23) of female children aged 4 years, in 18.4% (7/38) of female children aged 5 years seen last breast development ceased.
     乳腺发育维持不变者,4岁39.1%(9/23),5岁26.3%(10/38); 乳腺继续发育者,4岁34.8%(8/23),5岁55.3%(21/38)。
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     The previous investigation of gel W/O/W multiple emulsion loaded insulin
     凝胶型W/O/W多重乳液担载胰岛素的前期研究
     Objective To express main neutralization antigen VP7 of human rotavirus serotype G2 and G3 by recombinant adenoviruses on the basis of previous investigation of the prevalence of rotavirus in China.
     目的 研究我国G2和G3型轮状病毒主要中和抗原VP7基因在重组腺病毒中的表达。
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     Compared to the results of previous investigation in the same area (May 2000-May 2001), the concentration of nitrogen increased 20.9 %, while phosphate dropped 35.4 % andsilicate dropped 26.2 %.
     与上一调查年度的调查结果相比,氮的含量上升了20.9%,而磷、硅的含量则分别下降了35.4%和26.2%。
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     However, NH4-N increased 182 % compared with the previous investigation, which was partly resulted from faster rates of bodies decomposed and excretion to aminated due to high temperature and low rainfall, and partly from slower dilution of NH4-N due to weaker river flux.
     其中,NH_4-N的含量比上一年度上升了182%,与高温少雨加快了动植物尸体腐烂和排泄废物转化成NH_4-N的速度有关,而径流减弱又不利于NH_4-N的扩散。
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     INVESTIGATION
     调查
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     By previous investigation , there are three categories of substrates.
     通常把衬底分为三类,第一类:对于硅衬底的研究已经很成熟。
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     Investigation and Reference
     考察·学习·借鉴——大理学院财务协调组对省内外8所大学财务管理的考察报告
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     But our investigation results did not tally with previous literature.
     结果发现用正己烷分步萃取法对异丁香酚的回收效果较好,但对香草醛的回收效果不佳。
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  previous investigation
This paper elaborates upon a previous investigation into the influence of external electric and magnetic fields on a flow through a supersonic diffuser.
      
Previous investigation results revealed that after the Low Temperature Plasma (LTP) treatment, the hydrophilicity of wool fiber was improved significantly.
      
The present study is an extension of the previous investigation.
      
In this paper we continue to extend our previous investigation of continued fraction (CF) solutions for the stationary probability of discrete one-variable master equations which generally do not satisfy detailed balance.
      
A previous investigation of the energy spectrum of strongly disordered systems with the help of the recursion method is generalized to the two-band case.
      
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The group. of ruins of the main building of Rou-Han Yuen and the twin pagoda in Soochow is one of the most important manument in the history of Chinese architecture of Sung dynasty. In the Autumn of 1954 The author was appointed by the bureau of culture of Kiangsu province and The Board of culture conservation and administration to prepare a scheme of renovation of the twin pagoda and at the same time to make a survey of the ruins of the main biuldiug of Ron-Han Yuen. This article is a report of authors findings...

The group. of ruins of the main building of Rou-Han Yuen and the twin pagoda in Soochow is one of the most important manument in the history of Chinese architecture of Sung dynasty. In the Autumn of 1954 The author was appointed by the bureau of culture of Kiangsu province and The Board of culture conservation and administration to prepare a scheme of renovation of the twin pagoda and at the same time to make a survey of the ruins of the main biuldiug of Ron-Han Yuen. This article is a report of authors findings there about. As to the details of the twin pagoda, Professor T.T. Liu of Nanking University had made a previous investigation report in 1936. No further elucidation is therefore given in this article.

苏州罗汉院双塔及正殿遗址,为中国建筑史宋代一章的重要证物,一九五四年冬我受江苏省文化局及苏州市园林古迹修整委员会(现名文管会)的委托,为双塔修善工程拟计划时,提出整理正殿遗址,这项工作居然在修整期间完成,遂将所得写成此文,至于双塔部分已详刘敦桢教授一九三六年的调查报告中兹从略。

On the basis of our previous investigation, an Fe-Mn-Al steel containing 29.4%

根据本文作者以前的结果,对一种成分为29.4%Mn,3.8%Al,1.9%Mo,0.5%V,0.4%W,0.015%B,0.03%N,0.1%C的奥氏体耐热钢进行了下述研究: (1)热加工塑性:Fe-Mn-Al奥氏体耐热钢的高温可塑性类似于1Cr18Ni9Ti。(2)持久强度:在600—700℃,数千小时的持久强度接近于ЭИ257T(14%Cr,14%Ni,2.15%W,0.5%Mo,0.5%Ti,0.1%C)的水平。(3)时效过程的变化:观察并测定了在600—750℃,保温长达9500小时时效过程中的金相组织变化、沉淀相的类型、冲击功及硬度的变化。在时效过程中顺序沉淀出V_4C_3,M_6C及Laves相,时效变脆的倾向不很大。各种实验结果表明,为节约铬与镍,Fe-Mn-Al奥氏体耐热钢有研究发展的前途,但最大弱点是抗电化学腐蚀能力差,这有待进一步寻求解决途径。同时,指出由Fe-Mn-Al系发展出在630℃左右使用的奥氏体耐热钢是可能的。

Based on the previous investigation and productive results, the applied research on separation of copper-lead bulk concentrate by the addition of bichromate, CMC, sodium silicate, sodium silicate mixture(I) and sodium silicate mixture (II) was made. The industrial test and comparison of the metallurgical results have shown that sodium silicate mixture, especially sodium silicate mixture (II) is the most effective. From the copper-lead bulk concentrate assaying 3.4% Cu and 60.46%Pb, the following results...

Based on the previous investigation and productive results, the applied research on separation of copper-lead bulk concentrate by the addition of bichromate, CMC, sodium silicate, sodium silicate mixture(I) and sodium silicate mixture (II) was made. The industrial test and comparison of the metallurgical results have shown that sodium silicate mixture, especially sodium silicate mixture (II) is the most effective. From the copper-lead bulk concentrate assaying 3.4% Cu and 60.46%Pb, the following results of a copper concentrate grade 24.19%, with a recovery of 88.99% can be obtained, lead concentrate grade and recovery being 68.70% and 99.39% respectively. The merits of sodium silicate mixture are as follows: easy making-up; no poison; no odor; good metallurgical results. Sodium silicate mixture is now being applied at a copper-lead-zinc processing plant and good results have been achieved.

本文叙述了重铬酸盐法、CMC法、水玻璃法、水玻璃合剂—Ⅰ法,水玻璃合剂一Ⅱ法浮选分离铜铅混合精矿工业试验和生产的结果,其中水玻璃合剂法获得最佳的分选指标。工业试验指标是:铜精矿品位24.19%,铜回收率88.99%,铅精矿品位68.7%,铅回收率99.39%。目前,这种方法已应用于选矿厂生产。

 
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