金屬時評 的英文怎麼說

中文拼音 [jīnzhǔshípíng]
金屬時評 英文
current review on new metals
  • 金 : Ⅰ名詞1 （金屬） metals 2 （錢） money 3 （古時金屬制的打擊樂器） ancient metal percussion instrum...
  • 屬 : 屬名詞1 （類別） category 2 [生物學] （生物分類系統上所用的等級之一） genus 3 （家屬; 親屬） fami...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 評 : Ⅰ動詞1. （評論; 批評） comment; criticize; review 2. （評判） judge; appraise Ⅱ名詞（姓氏） a surname
  • 金屬 : metal
  1. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物，以鯽魚為實驗動物，應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等，全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響，初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響，為制定漁業生產上預防性的管理措施提供科學依據，及時避免或減輕重金屬污染對水生生態系統造成的損害。
  2. This subject is a national fund project in science : an attribute theory and method for thinking construction and memory style ( 60075016 ), and a branch fund project in development of education, science and technology of shanghai ( 01g04 ) : intelligence modeling. it is also another one of shanghai zhenhua limited liability corporation : status detection and security estimation for derrick

    本課題是國家自然科學基金項目：思維建構與記憶模式的屬性論方法（ 60075016 ）和上海市高教科技發展基金項目：思維建構與智能模擬的屬性論方法（ 01g04 ）的子課題，同時也是上海振華有限公司的項目：橋吊狀態監測與安全評估系統。
  3. Standard test method for estimating electromigration median time - to - failure and sigma of integrated circuit metallizations metric

    集成電路金屬噴鍍總量和電遷移中值失效時間的評定標準試驗方法
  4. The article introduces the basic concepts and common methods of fuzzy mathematics, initially discussing the applications of fuzzy mathematics in the following aspects : 1 ) division of " skidding " strata with grade of membership that are drilled with diamond bits ; 2 ) comprehensive evaluation on the application in evaluation of diamond bits, classification of rock drillability, and evaluation of clay ; 3 ) classification of " hard rock " through fuzzy clustering analysis ; 4 ) estimation of completion time of boreholes and evaluation of underg round water with fuzzy mathematics ; 5 ) identification of new ore areas and option of best water resource area with fuzzy model ; 6 ) option of diamond bits and evaluation on oil field development plan with fuzzy resemble option and the improved calculation method ; ? ) prediction of mud slurry performance and of the amount of surging water in ore pits with fuzzy control ; 8 ) comprehensive evaluation of diamond bits and supporting plan of deep foundation pit with fuzzy optimal theory

    初步探討了以下幾方面的應用： 1 ）用隸屬度劃分金剛石鉆進「打滑」地層； 2 ）綜合評判在金剛石鉆頭評價、巖石可鉆性分級及鉆探造漿粘土評價中的應用； 3 ）用模糊聚類分析進行「硬巖石」分類； 4 ）用模糊數進行鉆孔竣工時間預估及地下水質評價； 5 ）模糊模式識別在新礦區類型識別和最佳水源地選擇中的應用； 6 ）模糊相似選擇及其改進演算法在金剛石鉆頭選擇和油田開發方案評價中的應用； 7 ）模糊控制在泥漿性能和礦坑涌水量預測中的應用； 8 ）優化理論模型在金剛石鉆頭和深基坑支護方案綜合評價中的應用。
  5. Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure

    試件的整體斷裂為剪切型，但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展，說明局部較高的應力三軸度也會使韌窩型機制得以發展，但是不改變試件整體的剪切型斷裂模式；對韌性斷裂的剪切模式的細觀機理做了一定的探討，並且提出了含裂紋構件剪切型斷裂的宏觀判據：認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向（可簡稱為_ （ pmax ）準則） ，集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷；本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果，採用失效評定圖的形式，提出了傾斜裂紋的安全性評定方法的基本框架。
  6. Temporary protection against corrosion. method of prepare metallic probes for the evaluation of the properties of preservative products

    臨時防蝕產品.防腐產品性能評價用金屬探測器的制備方法
  7. This paper briefly reviews the history and progress of trace metal marine ecotoxicology over the past few decades. three main areas of metal ecotoxicology are transport in the environment, accumulation and toxicity, as well as the risk assessment. we have seen tremendous progresses in these areas as a result of interdisciplinary efforts by biologists, chemists, engineers, governmental regulators and managers. i then discuss the future perspectives of metal ecotoxicology. it is expected that this field will receive increasing attention in china. certainly i hope that xiamen can become a center for metal ecotoxicology and biogeochemistry research

    簡要回顧了痕量金屬的海洋生態毒理學研究的歷史及過去幾十年中所獲得的進展.金屬生態毒理學研究主要包括以下3個方向:環境中的轉移，毒性積累及危險評估.在來自於多種學科的專家，包括生物學家，化學學家，工程師和政府監督管理人員等的共同努力下，這3個方向的研究都獲得了長足的發展.同時對金屬生態毒理學的未來進行了展望.可以預見的是，這門學科將在中國受到越來越多的關注.我更希望看到廈門能夠成為未來金屬海洋毒理學發展的中心
  8. Starting from the practice of benxi steel co. s mine, the factors that affect the metal recovery of single low intensity magnetic separation technology and its relationship with the quality of iron concentrates are presented and the evaluation is made on the concentration efficiency of this technology. the relationship is operationable and is of guidance significance to the production practice and can be used to provide a basic for making the correct policy fer the concentration production

    從本鋼礦山的實踐出發，闡述了單一弱磁選工藝金屬回收率的影響因素及其與鐵精礦質量的關系，同時對此工藝過程的選礦效率進行了評價，具有可操作性，並對生產實際有一定的指導意義，為正確制定選礦生產提供依據。
  9. The main sources of the measurement uncertainty by xrf are analysed and some factors impacting on the uncertainty are discussed, which is good for developing the measurement uncertainty in the actual work

    著重分析了採用x射線熒光能譜法測定貴金屬含量時測量結果不確定度的主要來源，並探討了幾種因素對不確定度的影響，有利於在實際檢測中對其進行合理的評定工作。
  10. It can make evaluation results more apparent and objective when used to evaluate performance of chinese securities investment funds comprehensively. from three aspects of fund performance, that is risk premium, performance attribution and performance persistence, this paper selects 11 evaluating index, which include sharpe index, treynor index, jenson index and so on. it makes this evaluation system can represent funds ’ performance information completely, afterwards main component analysis is carried out to predigest evaluation outcome to obtain final evaluation result

    本文從基金業績的風險收益、業績歸屬、持續性三個方面選取了11個評價基金業績的指標，其中包括夏普指數、特雷諾指數、詹森指數、市場時機選擇系數、股票選擇系數、持續性指標等，使該評價體系能較為全面地代表基金業績的信息，然後通過主成分分析法來簡化評價信息，以獲得最終的綜合評價結果。
  11. For example, the equipment management department of the haven may require such a status detection and security estimation system on their derricks so that detailed states of the engines, retarders and the whole mental structure can be administrated and solve problems in advance to guarantee the normal proceeding of the task.

    港口設備管理部門要求在他們的橋式起重機上安裝一套機械設備的狀態監測與安全評估系統，以便隨時可以監視橋式起重機上各個電動機、減速箱和整體金屬結構的工作情況。以便及早發現問題，在影響裝卸作業以前，排除故障，保證作業的正常進行。
  12. The sense of this work is to gain a further understanding of helium in the two metals. on the diffusion of helium - 3 in two spherical shell samples made of 21 - 6 - 9 type of stainless steel, during the storage of tritium at the pressure of 6. 13mpa for about 4 and 6 years at room temperature and later exposed to air for another 3 and 1 year. first, a calculation based on the analytical and numerical method to the diffusion and decay theories was developed to evaluate the concentration distribution of helium - 3 by tritium diffusion and decay in the samples

    在不銹鋼氚衰變~ 3he的擴散行為研究中，建立了氚和~ 3he濃度分佈的解析解和數值計算方法，以評估充氚不銹鋼球形容器壁中氚衰變~ 3he的宏觀濃度分佈，同時還用數值計算方法以求解氚和~ 3he的多步擴散行為；對樣品表面逐層蝕刻、同時收集釋放的~ 3he進行分析，分別實測了經室溫條件下在6 . 13mpa高壓氚中貯存4年和6年、空氣中存放3年和1年的兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he濃度分佈；結果表明：由於he在金屬中的不可容性， he原子偏聚于不銹鋼表面以及內部的局部區域，在整體趨勢上， ~ 3he分佈與計算結果相一致，根據理論計算，兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he到達的深度分別為350 m及500 m 。
  13. Abstract : the development of the chip ceramic capacitor, pdp ( plasma displays ), silicon solar cell and electronic package was reviewed in the present paper, and the requirements to electronic pastes and the growing trend of base metals electronic pastes were introduced

    摘要：本文評述了我國多層片式陶瓷電容器、 pdp平板顯示器、硅太陽能電池、電子封裝等的發展現狀以及對電子漿料的要求，同時還評述了賤金屬漿料的發展趨勢。
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