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标准
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  standard
     RESEARCH AND MANUFACTURE SCORE SYSTEM OF COUNTRY PHYSICAL TRAINING STANDARD
     《国家体育锻炼标准》评分系统的研制
短句来源
     STUDY OF THE STANDARD OF LIMIT ON RADIOACTIVE SUBSTANCE FOR PRODUCTS CONTAINED INDUSTRIAL WASTE SLAGS IN BUILDING MATERIALS INDUSTRY
     《掺工业废渣建筑材料产品放射性物质控制标准》的研究
短句来源
     Objection to Levy Standard on Noise Exceeding Environment Standard
     对《超标环境噪声排污费征收标准》的异议
短句来源
     ILLUSTRATION OF SOME PROBLEM IN JB4732 "STEEL PRESSURE VESSEL──ANALYSIS DESIGN STANDARD
     JB 4732《钢制压力容器──分析设计标准》若干问题的说明
短句来源
     Application of national standard of gross α and gross β activities in drinking water
     国家《生活饮用水卫生标准》中总α和总β放射性标准的适用
短句来源
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  standard for
     Response to“Water Quality Standard for Urban Water Supply”(CJ/T 206-2005)
     建设部《城市供水水质标准》(CJ/T 206-2005)应对措施
短句来源
     The running results showed when the inlet COD cr and BOD5 were 6 000 mg/L and 2 000 mg/L respectively,the outlet water indexes were COD cr<150 mg/L,BOD5<30 mg/L,SS<150 mg/L and oils content <15 mg/L. The indexes of treated water meet the requirement of grade 2 in discharge standard for wastewater in China(GB 8978-1996).
     运行结果表明:当进水CODcr为6000mg/L,BOD5为2000mg/L的条件下,处理后出水CODcr<150mg/L,BOD5<30mg/L,SS<150mg/L,动植物油<15mg/L,达到了国家《污水综合排放标准》(GB8978-1996)二级标准。
短句来源
     The test result shows that COD,turbidity and BOD_5 in effluent are below 20 mg/L,1 NTU and 8 mg/L respectively,which can meet the Water Quality Standard for Urban Miscellaneous Water Consumption (GB/T 18920—2002).
     结果表明:滤池出水COD<20mg/L、浊度<1NTU、BOD5<8mg/L,可满足《城市杂用水水质标准》(GB/T18920—2002);
短句来源
     It's also correlated highly with "Expert standard for body impairment of the industrial injury and occupational diseases"and Barthel daily life index(R=0. 942,R = 0. 826,P<0.01).
     交通标准与《职工工伤与职业病致残程度鉴定标准》和Barthel日常生活活动指数也高度相关(R=0.942,R=0.826,P<0.01),与WHO的《国际残损、残疾与残障分类》亦具有一定的相关性(R=0.603,P<0.01)。
短句来源
     The effluent turbidity is below 10 NTU,chroma 20-28 times and pH 7.5-8.0,reaching Ⅱ-class criteria specified in Water Quality Standard for Drinking Water Source.
     流化床出水浊度<10 NTU,色度为20~28倍,pH值为7.5~8.0,达到了《生活饮用水水源水质标准》的二级标准。
短句来源
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  standards for
     Some Ideas on Modification of "Standards for Inland Navigation"(GBJ139-90)
     《内河通航标准》(GBJ139-90)的几点修改意见
短句来源
     The prevalence rate of dental fluorosis2722residents(86.4%)was higher than the rate(30%)ruled by Standards for Endemic Fluoride Poisoning Area Control.
     2722名居民氟斑牙患病率达86.4%,高于《地方性氟中毒病区控制标准》(30%)。
短句来源
     The mass concentration of NH_3 and H_2S in the outlet gas can meet the first and second grade of the National Emission Standards for Odor Pollutants GB 14554—93,respectively.
     处理后出气中的NH3和H2S的质量浓度分别达到GB14554—93《恶臭污染物排放标准》中的一级排放标准和二级排放标准。
短句来源
     And the dust concentration ranged from 0.3mg/m3 to 301. 8mg/m3 and 60.76%of them accorded with the standards(Hygienic Standards for Designs of Industria Enterprise,TJ36-79).
     ②这些场所的粉尘浓度在0.3~301.8mg/m3之间,仅有60.76%作业点的浓度符合《工业企业设计卫生标准》(TJ36-79)的要求。
短句来源
     [Methods]Supervision was conducted according to "Standardization for Sterilization Techniques" and "Sanitary Standards for Hospital Sterilization"(GB15982-1995).
     方法按照《消毒技术规范》和《医院消毒卫生标准》GB 15982-1995进行监测。
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  “标准》”译为未确定词的双语例句
     Investigation and Analysis on Trying out P. E. Standards of Callege Students in Shanghai
     对上海高校试行《大学生体育合格标准》情况的调查与分析
短句来源
     A Summary for JB4732 - 95《Steel Pressure Vessels—— Design by Analysis》
     JB4732—95《钢制压力容器——分析设计标准》综述
短句来源
     Clinical Test Report on Criterion of Diagnosis and Therapeutic Effect of Apoplexy
     《中风病诊断与疗效评定标准》的临床检验报告
短句来源
     Discuss of JTJ 071-94 Fromula Concerned in "Evaluating" Criterion of Highway Construction
     关于《公路工程质量检验评定标准》(JTJ071—94)有关公式的商榷
短句来源
     Base on the datum of water envorinment montoring in Yancheng city between 2003 to 2005 and the surface water envorinment quality standard-GB3838-2002,synthetic pollution index method is used to analyse and evaluate the water quality in the surface water of Yancheng segment of Tongyu river and the main pollution fators such as dissolve oxygen,permanganate salt index,ammonia nitrogenand five days biochemistry demand oxygen,and the countmeasures to prevent water pollution are put forward.
     依据2003~2005年盐城市水环境监测数据和《地表水环境质量标准》GB3838-2002,采用综合污染指数法对通榆河盐城段地表水进行水质分析评价,指出盐城市水质主要污染因子为溶解氧、高锰酸盐指数、氨氮和五日生化需氧量,并在评价结果的基础上提出了若干水污染防治的措施。
短句来源
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  standard
The method applies to the standard arithmetic subgroups ofSO(n,1) (a case which was proved previously by Millson [Mi]), to the non-arithmetic lattices inSO(n,1) constructed by Gromov and Piatetski-Shapiro [GPS] and to groups generated by reflections.
      
A new approach to standard monomial theory for classical groups
      
As an immediate application we obtain a new proof of the main theorem of standard monomial theory for classical groups.
      
There are two well known combinatorial tools in the representation theory ofSLn, the semi-standard Young tableaux and the Gelfand-Tsetlin patterns.
      
Fr?nsdal [Fr1, Fr2] made a penetrating observation that both of them are quasi-Hopf algebras, obtained by twisting the standard quantum affine algebraUq(g).
      
更多          
  standard for
Business Process Execution Language (BPEL) is a de facto standard for specifying the behavior of business processes.
      
Treatment with streptomycin as a standard for comparison completely inhibited the growth of these microorganisms.
      
m-Phthalic acid was used as an internal standard for quantification.
      
This programmable Linda-like coordination mechanism suits the mobility and openness of the Internet application, XML standard for Internet data representation may guarantee a high-degree of interoperability between heterogeneous environments.
      
Climate effects on the change in the weight of corrosion products retained by metals are studied during long-term exposure of plates and wire spirals recommended by the ISO 9226-92 Standard for the monitoring of atmospheric corrosivity.
      
更多          
  standards for
Physiological Criteria in Defining the Standards for Training and Competition Loads in Elite Sports
      
Actually, the problem is in the absence of standards for development and debugging tools for supercomputers, which is explained by the fact that computer science is yet young.
      
However, commercial systems and standards for the query language do not support temporal data features.
      
The scheme of the participation of specialists in corrosion in the activity of the Committee, as well as the procedure of submitting draft standards for the development as International standards, is shown.
      
Linear standards for the calibration of SEMs and AFMs are reviewed.
      
更多          


The absorption band of water vapor at 0.94 μ is studied photographically by means of a concave grating spectrometer. Twenty eight component lines are observed and measured on a comparator as well as on a Moll microphotometer. This band shows something of a doublet form which suggests that the H2O molecule has a triangular form with the oxygen atom at the vertex of an obtuse angle. The lines agree closely with some of the absorption lines in the solar spectrum as measured by Abney in 1880.

前之研究红外光谱者类多依赖热电堆以测定光谱内光能之分布。吾人咸知红外带状光谱之接近可见部分者,其成分线排列甚密。若用热电堆万难分析而得其细微组织。作者所考察之光谱正在红外照相片感光范围之内,故得测定水汽带状光谱内各成分线之波长而具有1内之准确度。 作者所用分光仪器为一凹面光栅,其曲度半径为2公尺。该光栅面上每厘米划有线6000根,颇适合红外光谱之探讨。所用光源为一1000流明之电灯泡泡内有一一字形线圈灯丝,其所发之光穿过2公尺之105°—110℃水汽而交聚在分光仪之缝上。红外照相片经氨溶液之超度敏化后,即安置於已经配准之相片匣内,而使之感光。光之可见部分系用深红滤片割除。照光时间约 费四五十小时,然后除去滤片,照以水银光谱凡数秒,作为决定波长之标准。 用前法所摄得之光谱大都不十分清晰,其主要原因系由水汽管之太短。但用显微光度计量之,各成分线之波长不难准至1(?)范围以内。本实验所得各线若与五十年前Abney所测定太阳光谱中0.94μ附近之吸收线相比较,可见太阳红外光谱中许多吸收线系由大气中水汽所产生,而证实Abney最初之推想。惟本实验所测定之吸收线与Abney所测定太阳光谱中之对应黑线具有一等差...

前之研究红外光谱者类多依赖热电堆以测定光谱内光能之分布。吾人咸知红外带状光谱之接近可见部分者,其成分线排列甚密。若用热电堆万难分析而得其细微组织。作者所考察之光谱正在红外照相片感光范围之内,故得测定水汽带状光谱内各成分线之波长而具有1内之准确度。 作者所用分光仪器为一凹面光栅,其曲度半径为2公尺。该光栅面上每厘米划有线6000根,颇适合红外光谱之探讨。所用光源为一1000流明之电灯泡泡内有一一字形线圈灯丝,其所发之光穿过2公尺之105°—110℃水汽而交聚在分光仪之缝上。红外照相片经氨溶液之超度敏化后,即安置於已经配准之相片匣内,而使之感光。光之可见部分系用深红滤片割除。照光时间约 费四五十小时,然后除去滤片,照以水银光谱凡数秒,作为决定波长之标准。 用前法所摄得之光谱大都不十分清晰,其主要原因系由水汽管之太短。但用显微光度计量之,各成分线之波长不难准至1(?)范围以内。本实验所得各线若与五十年前Abney所测定太阳光谱中0.94μ附近之吸收线相比较,可见太阳红外光谱中许多吸收线系由大气中水汽所产生,而证实Abney最初之推想。惟本实验所测定之吸收线与Abney所测定太阳光谱中之对应黑线具有一等差数约合1.5(?)_0此等差数之产生想系由於波长单位之不同以及个别仪器误差所

A new method for the biological assay of vegetable purgatives based on the numbers of wet faeces excreted by groups of mice after dosing is described. The relation of the number of wet faeces per group of mice to the logarithm of the dose was found to be linear. A cage has been specially designed for this assay and it has been found advantageous to incorporate a definite proportion of water in the diet during test. 40 mice divided equally into 4 groups were used in each assay. 2 groups received the standard...

A new method for the biological assay of vegetable purgatives based on the numbers of wet faeces excreted by groups of mice after dosing is described. The relation of the number of wet faeces per group of mice to the logarithm of the dose was found to be linear. A cage has been specially designed for this assay and it has been found advantageous to incorporate a definite proportion of water in the diet during test. 40 mice divided equally into 4 groups were used in each assay. 2 groups received the standard preparation and the other 2 groups received the test preparation. The standard deviation of a single determination based on 9 such assays was estimated to be 15.7 per cent. For rhubarb and its preparations, a“6-point”assay is advocated. With suitable restric-tion in the design of the assay, it is possible to calculate the potency by simple methods. Powdered crude drugs are used as laboratory standards in the assay of senna and rhubarb. The doses of cascara bark required to produce distinctive responses are too inconveniently large to be administered in suspension. It was found possible to use a potent extract of cascara in place of the powdered bark as a laboratory standard. Examples of the assay and the subsequent calculations are given. The method described is not only convenient in use but also gives a comparatively high degree of accuracy. The method has been successfully applied to senna leaf, senna fruit, rhubarb, cascara sagrada and extracts and commercial preparations made from these drugs, pure glycosides(sennosides A and B) and pure anthracene compounds(aloe emodin and aloe-emodine anthranol).

(1)本文详述植物性泻药的一种新的生物测定法,此法係用小白鼠在服药后所排出的濕粪数为基础,以定泻药的效价。(2)小白鼠服药後所排出的湿粪数与剂量指数的关係经证明为一直线。(3)本法所用鼠笼係特别设计,并证明在饲料内加入一定量的饮水,具有多种优点。(4)番泻效价的测定,每次用小白鼠4组,每组10只。2组给与标准品,另外2组给与试验品。根据9次试验的结果,试验的标准差是15.7%.(5)大黄效价的测定,以采用“6点”法为宜,即每次试验用小白鼠6组,3组给与标准品,另外3组给与试验品,所得的准确度与上述相仿。波希鼠李皮浸膏的效价测定,则用“4点”法或“6点”法均可。(6)所有试验一律采用粉状生药为实验室的比较标准,但是波希鼠李皮的效价太低,它的粉末不适於作为标准之用,可用波希鼠李皮乾浸膏来代替,作为比较标准。(7)本文对於效价测定及其计算方法都举例说明,并介绍了比较常法为简捷的相关效价计算法。(8)本法不但方便易行,而且有相当高的准确度;曾用在番泻、大黄、波希鼠李皮及其制剂,以及一些纯粹的蒽醌衍生物的效价测定,都获得了满意的结果。

In view of the necessity of a rapid and accurate process for the deter-mination of fluorine applicable in the analysis of sodium fluoride and otherfluorine compounds,the author has established a new volumetric processconsisting in the titration in aqueous-alcoholic medium with ferric nitrate asstandard solution and sodium salicylate as indicator.All of the methods,published by Guyot,Greeff,Fairchild andVisintin proposed for the determination of fluorine using ferric solutionas standard,are based on the reaction:6NaF+FeCl_3→Na_3FeF_6+3NaCl....

In view of the necessity of a rapid and accurate process for the deter-mination of fluorine applicable in the analysis of sodium fluoride and otherfluorine compounds,the author has established a new volumetric processconsisting in the titration in aqueous-alcoholic medium with ferric nitrate asstandard solution and sodium salicylate as indicator.All of the methods,published by Guyot,Greeff,Fairchild andVisintin proposed for the determination of fluorine using ferric solutionas standard,are based on the reaction:6NaF+FeCl_3→Na_3FeF_6+3NaCl. But the sodium ferric fluoride thus formed is fairly soluble in water and makesthe end-point unclear,therefore the titration can not be performed accurately.This seems to be due to the fact that the following two reactions advancesimultaneously,and accordingly the formation of sodium ferric fluoride is in-complete in aque(?)us medium:3NaF+Fe(NO_3)_3→FeF_3+3N_aNO_33NaF+FeF_3→Na_3FeF_6Nevertheless,these reactions,according to the author's experiments;proceedalmost quantitatively in meda.containing at least 50% by volume of alcohol.This paper reports the xperimental results obtained in the fundamentalstudies on the various factors influencing the accuracy of the volumetry,namely,the sensitivity and the necessary amount of sodium salicylate used asindicator,the pH value,the alcoholic concentration of the titration medium,the concentration of the fluoride taken for the determination and the timewhen alcohol should be added in the course of titration.Furthermore,a rapidvolumetric process with high accuracy is proposed together with its applicationsin ordinary analyses of sodium fluoride and other fluorine compounds.The proposed method is characteristic in using sodium salicylate asindicator,which shows sharp violet color with minute amount of ferric ion inmedium of pH 3 controlled with buffer solution,then titrating with standardferric nitrate,and adding proper amount of alcohol(the alcoholic concentra-tion at the end-point should be above 50%)during the titration,when themedium becomes orange yellow in color.The method may be summarized as follows:Take 5 ml of neutral sodiumfluoride solution of about 0.3 N in a small Erlenmeyer flask,add 2.5 mlof Walpole's buffer solution of pH 3(formed by dissolving 34.0 g ofcrystalline sodium acetate and 20 ml of 38% HCl in water,and making upto 250 ml)and 1 ml of 0.1 M sodium salicylate dissolved in 50% alcohol.After sufficient stirring,titrate with standard 0.3 N(0.05 M)ferric nitratesolution,using micro-burette until the medium becomes orange yellow,thisstep being reached after addition of about 4 ml of titrant.Then decolorizethe solution by adding 12.5 ml of absolute alcohol(or 13 ml of 95% alcohol),previously purified by redistillation with lime;stirring is necessary during theaddition.Further continue the titration until the light pink color formeddoes not fade after stirring for 30 seconds when observed over a white surface. In the analyses of sodium fluoride and other fluorine compounds con-taining interfering substances,such as divalent and polyvalent metallic ions,phosphate,silicate,borate,carbonate,sulfide ions and reductants acting on ferricion,it is necessary to separate fluorine from these interfering substances bythe distillation with sulfuric acid according to the method of Willard andWinter(20).Then the distillate is neutralized with dilute sodium hydroxideand adjusted to the proper pH with hydrochloric acid using p-nitrophenol asindicator.The solution is ready for titration as described.But in the caseof absence of these interfering substances except carbonate,for example,inthe determination of the concentration of sodium fluorde solution obtained bythe extraction of the crude product,produced industrially by fusing fluorsparwith sodium carbonate and silica,the above separation of fluorine by dis-tillation is dispensable.The anaIytical results obtained by the proposed method are in goodagreement with those obtained by the lead chlorofluoride process(8),whichis recognized as official method for the determination of fluorine in agriculturalproducts.

本文介绍一容量分析氟的新方法和在工业制品上的应用,并分析了一种工业制备的氟化钠液,所得的结果和氟氯化铅法所得的极为一致。对于影响该分析法准确度的各种因素:指示剂的灵敏度和滴定时适宜的用量、溶液的 pH 值、应加的乙醇量、操作中加乙醇的次序、以及氟离子的适宜浓度,均加以研究并找出适宜的情况。本法用硝酸铁为标准液,水杨酸钠作指示剂,在 pH=3左右作滴定;当溶液呈橙黄色时,加入适量的乙醇,使其浓度在终点时仍不低于50%。如有干扰物质如二价及多价金属离子、磷酸根、矽酸根、硼酸根、碳酸根、硫化物和还原物质可能与三价铁起作用者,均应分离之。

 
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