雜質量 的英文怎麼說

中文拼音 [zázhíliáng]
雜質量 英文
impurity level
  • 雜 : Ⅰ形容詞（多種多樣的; 混雜的） miscellaneous; varied; sundry; mixed Ⅱ動詞（混合在一起; 攙雜） mix; blend; mingle
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  1. The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar

    電離層是隨機時變，各向異性，非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量，必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態，對短波通信和天波雷達工作起了重要的輔助作用。
  2. Because of the complicated manufacture technique of pcb, for example, a great deal of use of ultro - microcomponent and ultro - slimwire, the quality inspection of pcb becomes very difficult and hardly automatized

    隨著生產技術的提高， pcb製作工藝日趨復雜，大量超微器件和超細走線的採用，使pcb的質量檢驗成為一件非常困難的工作，難以實現自動化。
  3. Now, simplified calculating methods of vertical frame and horizontal framed bent for plate structure are mostly used in this structure design. for the complex distribution of quality and rigidity of this structure, the calculating method of space turning coupled pair should be considered as a complemental checking calculation for this kind of irregular structure

    該類結構設計目前大多採用縱向框架、橫向框排架的平面結構簡化計算方法，由於該類結構質量和剛度分佈復雜，對於此類不規則結構尚應採用考慮空間扭轉耦聯的計算方法進行補充驗算。
  4. Vodka is distilled to an extremely high alcohol content, as a result, nearly all of the congeners and particulate that gives a spirit flavor and color are distilled out of it

    伏特加需要蒸餾到很高的酒精含量，使可以產生味道和色澤的有效雜質和顆粒都被摒棄了。
  5. Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems

    接著系統的論述了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案，樹狀結構吊裝機械及平面布置，樹狀結構胎架及節點的搭設，以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論述了採用全站儀對樹狀結構進行空間三維坐標測量的方法，包括測量標志點的選取、測量系統的建立及測量坐標的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯正、焊接缺陷分析及焊接質量檢查等復雜的異種鋼焊接問題。
  6. Measurement of the percentage of impurity in cefepime dihydrochloride by nmr

    測定鹽酸頭孢吡肟中雜質的含量
  7. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法，對國內外多種典型石墨樣品的結構與性能進行比較，研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響，確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  8. Again call the the ratio, namely the electric voltage of the enlarger s exportation signal with at the same time output s voice ratio for electric voltage, usually use the decibel number to mean. the equipments s letter the ratio is more our output of high enunciation is more little. by any large, letter the ratio is more big, and the elucidation is in the in the signal a the quantity for more smallly, voice returning putting is more high, otherwise contrary. letter the ratio should be generally not lower than 70 dbs, high the letter of the true box the ratio should attain 110 dbs are above

    又稱為訊噪比，即放大器的輸出信號的電壓與同時輸出的噪聲電壓的比，常常用分貝數表示。設備的信噪比越高表明它產生的雜音越少。一般來說，信噪比越大，說明混在信號里的噪聲越小，聲音回放的音質量越高，否則相反。
  9. These years we have developed strongly acidic macroreticular catalysts based on styrene dvb. catalyst resin d006 for mtbe tame etbe, also as catalyst use for producing tba by isobutene hydration and direct producing gasoline with high octane rating by light gasoline etherification. d008 for sba ipa, also can be used for making methyl ethyl ketone by acetone one - stepping process, tert - butanol by isobutene hydration, etherified gasoline by the etherification of isopentene and isohexene in light gasoline with methyl alcohol, high

    以上，增強了催化活性，從而延長了使用壽命，提高了周期產量二低溫活性好，選擇性強，提高了mtbe的純度，降低了雜質含量三在同樣裝置中，可增大負荷，提高產量，降低生產成本和費用。
  10. Effects of hydrogenic donor impurity position on the binding energy of a bound exciton in - nitrides quantum dots

    族氮化物量子點中類氫施主雜質位置對束縛激子結合能的影響
  11. Abstract : large time delay exists in complicated practical processes. for example, in fccu ( fluidized catalytic cracker unit ) reactor - regenerator, the feed is preheated through heat exchanging from fractional column slurry, thus results in large time delay. a predictive control system is designed for such processes, where the kernal algorithm is dynamic matrix control. application results show that the control behavior is improved than original pid control

    文摘:實際的復雜工業過程，往往具有大的時滯，例如：煉油廠催化裂化裝置的反應再生系統，其原料油預熱通過油漿換熱實現，因此時滯特別大.本文針對這一類大的時滯過程，設計了以動態矩陣控制為核心演算法的預測控制系統，運行實踐表明：這一控制方案比原pid控制在控制質量上有較大提高
  12. We can get the unqualified light hydrocarbon back to fractional tower to resume fractionating which greatly insures the quality, we combine the science and technology tackle project from da qing natural gas company - the research on microcomputer detection and control system in light hydrocarbon blending crude oil, analyze the machining technology of production device in gas disposing station, study the physical and chemical character of impurity blending in the light hydrocarbon and establish the detection scheme finally

    並讓不合格的產品重新回到分餾塔中進行重新分餾加工，以確保產品質量。本文結合大慶天然氣公司的科技攻關項目? ?輕烴含原油微機測控系統研製，對一分公司油氣處理站的輕烴生產設備進行了生產工藝流程分析，同時也對輕烴和混入的原油雜質進行物理和化學性質的分析，確立了監控設計方案。
  13. Complete crystal shape, high diaphaneity and low impurity. suitable for circular saws, frame saws and geological broach

    晶體完整，透明度高，雜質含量低，晶形與晶體強度性能優越。使用於圓鋸切片、框鋸切片、地質鉆頭。
  14. Study on the synthesis of corundum - mullite - gahnite multiphase materials by two - step sintering process using kaolinite as raw material showed that impurities introduced by kaolinite mainly increased the liquid amount at high temperature, which can assist sintering of specimen. the experiment results indicated that the samples with lower gahnite content had better sinterability than others. however, if the gahnite content was relative high, the promoting effect on sinterability caused by kaolinite was not significant

    採用天然原料高嶺土二步煅燒合成剛玉?莫來石?鋅鋁尖晶石復相材料研究發現：天然原料中帶入的雜質主要是增加液相量，促進高溫下試樣的燒結；當尖晶石含量較低時，試樣在1300保溫2h時，在1600燒后試樣燒結性能相比之下較好；而當鋅鋁尖晶石含量較高時，天然料對試樣的促燒作用不是非常明顯。
  15. Calcitic limestone is mainly caco 3 with relatively small amounts of impurities.

    方解石灰巖，主要是由CaCo3和少量的雜質所形成。
  16. The reflected signals come from the small inclusions.

    反射信號來自於少量雜質。
  17. Modern ultrasonic testing was developing towards intelligence, automation, visualization, digitization, miniaturization, standardization, multi functionality, information and many intersectional fields in order to apply ultrasonic scanning imaging testing to complex - shaped component and meet the demand of contemporary quality

    指出現代超聲無損檢測技術正向著智能化、自動化、圖像化、數字化、小型化、系列化、多功能化、信息化和交叉領域的前沿方向發展，實現了復雜形面復合構件的超聲掃描成像無損檢測，滿足現代質量對無損檢測的要求。
  18. Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides - determination of iron content - kalium thiocyanate, 1, 10 - phenanthroline spectrophotometric method

    稀土金屬及其氧化物中非稀土雜質化學分析方法鐵量的測定硫氰酸鉀1 ， 10 -二氮雜菲分光光度法
  19. Because the internal structure of high - speed long - range flying objects ( hslrfo ) is so complicated and the mass distribution is extremely non - uniform, the precision of the mass characteristic parameters obtained from theoretical calculation is not enough to be applied to the practical measurement and control. the special test system for the mass characteristic parameters of high - speed long - range flying objects, therefore, is in great need and it is also necessary to study its performance

    由於高速遠程飛行物體的內部結構非常復雜，質量分佈不均勻，在科學研究過程中進行的理論計算得到的質量特性參數與其使用要求相差甚遠，基本不能作為計算和測控參數使用，因此必須研製專用的測量系統，並對測量系統的測量特性進行研究。
  20. As to test for impurity : a certain amount of the impurity may be added to the sample to testify the accuracy and precision of the method

    對于雜質的測定，一般取含一定雜質量的樣品進行分析，證明此雜質測定其具有適宜的準確度和精密度。
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