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费用
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  “费用—”译为未确定词的双语例句
     The author analyses the cost-efficacy of the four series products of air-cooled aircraft conditioner in accordance with GJB1364, the analysis methods of the cost-efficacy of e-quipment.
     作者按GJB1364装备费用—效能分析方法,对空气制冷式飞机空调车四个系列产品进行费用—效能分析。
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     Application of Cost-Effectiveness Analysis for Weapon System Design
     武器系统研制费用—效能分析的应用
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     How to Reduce the Cost of ICU:standardizing the ICU's organization and management
     如何降低ICU费用——规范ICU的建设和管理
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     Based on the systematic dynamic simulation about the coordinative development among the economy, society and environment, and the cost-benefit analysis, this paper puts forward the dischargecontrolling targets of "three waste" which has great influence to agroenvinronment by the development of industry, and the measures which should be taken in the year of 2010 and 2020 in our country.
     本文通过我国经济、社会、环境协调发展系统动力学模拟计算结果及费用—效益系统分析,提出2010年、2020年中国工业发展对农业环境影响的“三废”排放控制目标及应采取的战略措施。
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     Based on the computation of forecast and decision about rural economics society, ecosystems and cost-benefit analysis, this paper puts forward the strategic objective and concrete indexes of agro-environmental protection in the year of 2010 and 2020 in China, and meanwhile gives the feasible proposals and countermeasures.
     本文以农村经济、社会、生态环境系统预测与决策模拟计算结果为依据,费用——效益分析为基础,需求与可能相结合,提出了公元2010年、2020年中国农业环境保护战略目标和具体指标并提出了可行的对策建议。
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     Crashing Costs
     粉碎费用
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     the expenses are cheap;
     费用低廉;
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     BENEFIT-COST ANALYSIS IN THE ENVIRONMENT IMPACT ASSESSMENT
     环境影响评价中的效益费用分析方法
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     thecriteria on the sustainable development------the profit margin of costs;
     可持续发展基准成本费用利润率;
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In fact, the measurement of γ-8 by gas-liquid chromatography is a speedy and cost-saving method.
      
Application of ecosystem health cost-effect analysis in eco-planning in Guangzhou City, China
      
The cost-benefit analysis method (CBAM) was used to estimate different external diseconomy benefits caused by green land loss.
      
By means of a complex of cost-effective, rapid, and, whenever possible, computerized screening procedures, a systematic two-week study period of the functional states of subjects in a small group of healthy adults was performed.
      
A rapid and cost-effective procedure was developed for the determination of analgin and anesthesin in the analysis of Bellalgin tablets.
      
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Occurrence of sporadic diseased plant centers during or after the bloomingperiod is considered as reliable indication of the current year's forthcomingoutbreak of late blight in a potato farm. Incubation period of each secondary infection being about 4 days,is ratherconstant during the blight epiphytotic season under Chahar conditions.The timeinterval between the appearance of initial diseased plant centers to final totalblight in a potato field varies greatly,however,not only from locality to localitywith different...

Occurrence of sporadic diseased plant centers during or after the bloomingperiod is considered as reliable indication of the current year's forthcomingoutbreak of late blight in a potato farm. Incubation period of each secondary infection being about 4 days,is ratherconstant during the blight epiphytotic season under Chahar conditions.The timeinterval between the appearance of initial diseased plant centers to final totalblight in a potato field varies greatly,however,not only from locality to localitywith different climatic conditions but also from field to field under similarclimatic conditions.Our data record a range of 18-42 days.Circumstantial eviden-ces indicate that this variation is due,on the one hand,to the rainfall whichinfluences the amounts of sporulation and the frequency of penetration of thepathogene,and on the other hand,to cultural and other factors that determinethe vigor and the rate of aging of the plant itself. Actual counts of lesions formed from secondary infection in the early periodof the spread of the disease in a potato field,reveal that their distribution bearsdirect relation with the direction of the prevailing wind.It is estimated that over90% of spores fall within a rectangle of 800 sq.m.around a diseased plantcenter along the loci of wind directions. On the basis of possible function of absorbed copper ions in the enhancementof plant resistance to late blight,field experiments have been conducted by using0.1 - 0.2% copper sulfate solutions as spray.Results show that spraying 2-3 timesat 7-10 days' interval,started soon after the appearance of diseased plant center,gives remarkable control of late blight and corresponding reduction of loss inyield.The copper sulfate spray,though less effective and stable in comparisonwith the bordeaux spray,has the advantage of being more economical and easierto apply.Further experiments with the pu:pose of modifying and improving themethod are in progress.

從馬鈴薯的開花期起可能在田间出现的晚疫病中心病株是本田當年病害即將大量發生的重要標誌。每次再侵染的潛育期,在張家口壩下地區的氣候下,大約4天。從病害的最初發現到全面枯死所經過的日期囚種種外界環境條件而有很大的差別,我們所觀察到的是18—42天。根據調查资料來推測,一方面,促進病菌孢子形成数量和侵入數量的雨水,另一方面,决定植株衰老速度的栽培條件,是這種差別的主要原因。田間再侵染所形成的病斑之分佈情况說明病菌孢子的傳播与風向有直接的關係。估計90%以土的孢子落在中心病株附近順着風向的800平方米的長方形面積上。根據馬鈴薯地上部吸收銅素以提高共抗病力的可能性,利用0.1—0.2%硫酸銅溶液作為噴射劑,在田间中心病株發現的時期開始每隔7—10天喷射共2—3次,可以顯著地降低晚疫病的為害,提高產量。這個方法在共效驗及穩定性上不如波爾多液,在藥劑費用的節省及施用的方便上則勝之?椒ǖ母牧己吞岣哒谶M一步研究中。

In this paper the conditions for the application of thioacetamide in inorganic qualitative analysis are investigated, such as the sensitivity of formation of bismuth sulfide, its hydrolysis in aqueous solution and factors affecting its reaction in acid solution. Thioacetamide is proved to be a satisfactory substitute for H_2S in the analytical laboratory, owing to its simplicity in manipulation, safety, odourlessness and economy. In addition, its sulfide precipitates are easy to filter or centrifuge.

對硫代乙醯胺在無機定性分析上應用時所受各項反應條件的影響,曾利用硫化鉍生成反應的靈敏度,加以試驗。獲得結果如下:硫代乙醯胺在水溶液中,水解作用最緩。水溶液的pH值,受濃度和溫度的影響不大。酸性溶液,水解较快。在沸水浴中的作用,和硫化氫飽和溶液類似。溶液pH自0至0.5時,對硫化鉍沉澱反應的靈敏度最高;pH值更低時,靈敏度急劇降低。碱性溶液,水解近於完全,靈敏度亦高。硫代乙醯胺濃度,對於反應的靈敏度有顯著影響,但溫度增高後,影響不大。因此在沸水浴中,低濃度的硫代乙醯胺也可使硫化物沉澱。試劑用量,和溶液中產生沉澱的離子總量,成當量關係。應用硫代乙醯胺為陽離子的分組試劑,和H_2S,Na_2S及(NH_4)_2S進行比較,實驗結果,完全一致。應用上列試驗結果,結合現在採用的蘇聯教材,在定性分析實驗課上,採用硫代乙醯胺,獲得滿意結果,有下列各顯著優點:(1)使用方便,設備簡單;(2)實验室空氣清潔;(3)硫化物沉澱易於過濾和洗滌;(4)節省實验時间;(5)節省實验費用。

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本文论证了送电线路直线杆塔采用砖石结构是完全可能的。这样,就可以为国家节约大量钢材、水泥和木材,而且线路建设费用可以降低15%左右。此外,砖石结构杆塔线路在防雷性能上也是非常良好的,可以省去避雷线。

 
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