速度篩分法 的英文怎麼說

中文拼音 [shāifēn]
速度篩分法 英文
velocity sieving
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 名詞[書面語] (植物名) sedge
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. There are concerns that harvesting wild shrimp for aquaculture may deplete local shrimp populations or cause by - catch problems, hi addition, the use of wild shrimp poses a serious risk to the shrimp aquaculture industry because they may be carriers of virulent viruses. the life cycle of chinese shrimp has been closed, paving the way for the establishment of genetic improvement programs. the use of dna markers can contribute significantly to the development and implementation of genetic improvement programs

    本文嘗試利用aflp及其相關技術sampl在中國對蝦中選相關子標記,並通過比較抗病中國對蝦(第四代抗病蝦)及對照(前幾代抗病中國對蝦、野生中國對蝦)譜帶差異,試圖找到與中國對蝦生長、抗病等性狀相關的子標記或主效基因,為中國對蝦的遺傳圖譜構建、 qtl作圖、子標記輔助選擇及其他育種方奠定遺傳學基礎,同時對中國對蝦性別相關標記和sampl發展微衛星標記作了一些探討。
  2. Abstract : analyzing the general method of temperature screening for assembly in our country, combined with the experience of accelerated testing abroad, we proposed a definition method of parameters, such as temperature range, rate of change of temperature and dwell time. in this paper, we introduce some experience in a temperature screening of a mainboard

    摘要:析了目前國內在組件溫選方面的一般做,吸收國外加試驗的經驗,並借鑒定量選中根據成效率確定無故障檢驗時間的方,提出了組件溫選中各參數(如溫范圍、溫變化率、高低溫保持時間和循環數)的確定方,並以一種稅控加油機主板的溫選為例,介紹了組件溫選方研究中所總結的一些經驗。
  3. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    析各國ogfc級配的基礎上,運用礦料體積進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方析礦料級配和孔隙率之間的關系,並回歸出礦料關鍵孔通過率與ogfc骨架空隙結構關系的數學方程,進而提出了ogfc的合理級配;通過對不同孔隙率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔隙率范圍:針對高公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方開發出了適合ogfc的高粘改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高公路路用性能,車轍動穩定達5000次/ mm以上,動融劈裂強比90 ,透水系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。
  4. The paper adopted the common breeding way by series of mutagen treating to the yeast ' s cell and spheroplast. finally, the excellent mutant 75l 3555 was obtained. its nature of the production was determined and it can product ethanol on the condition of 40 and have high fermentative speed and stable production. on the other hand, the test was made that the best fermentative condition was found. in the malt juice, adding 0. 02 % k + or 0. 03 % a13 + can increase the production strikingly and adding some degree concentration trahalose can increase the production too and cut short the time of taming. in the study of using molasses producting ethanol, we can obtain high productivity contained the following composition : nitrogen source 1. 5 % maize and 0. 075 % ( nh4 ) 2so4

    本實驗以常規的育種方,通過對酵母細胞懸液和原生質體進行一系列誘變,經過大量的選,最終選育出一株耐高溫高產菌株75l _ ( 3566 ) ,並對其進行了生產性能的測定。 75l _ ( 3566 )在40條件下,濃為20 bx的麥芽汁發酵液中,產酒率高達11 . 5 ,而且發酵快,發酵周期可縮短12h ,其生產性能穩定,可以適應大部以澱粉質為原料的生產廠家的需要。同時本實驗對75l _ ( 3566 )進行了發酵條件優化的初步研究。
  5. ( 2 ) starting off with analyzing the forces affected on single dry solid granule on the roller screen, the relative slippage and slipping condition of granule at the tangential direction and axis direction of roller screen are discussed, and the average slipping conveyance velocity from feeding end to discharging end is given. the throwing conveyance of granule is discussed, the throwing coefficient of roller screen and its varying rule, and the concept of average throwing coefficient and its computing method are put forward, the starting condition and terminating condition for throwing motion of granule on the roller screen and the throwing conveyance velocity of granule are researched. the influence on throwing motion of granule by the rotating velocity of roller screen is discussed as well

    ( 2 )從筒式網上單顆干固相顆粒的受力析著手,討論了顆粒在筒式網面上的切向相對滑動和軸向相對滑動及滑動條件,並導出了顆粒從進料端向出料端滑動運移平均;討論了顆粒的拋擲運移,給出了筒式網上的拋擲指數及其變化規律,提出了筒式網的平均拋擲指數的概念及計算方,研究了筒式網上顆粒拋擲運移的產生條件和終止條件,以及顆粒拋擲運移的輸送;還討論了筒式網的旋轉角對顆粒拋擲運動產生的影響。
  6. A rapid method to determine the total ginsenoside in panax notoginseng for the genotype selection has been established in this study through the investigation of the best treatments covering sample weight, ultrasonic time, granularity, ultrasonic power, reagent, reagent bulk

    摘要研究了超聲波提取三七總皂苷的影響因素,選出超聲波提取三七總皂苷的最佳條件,並建立了利用紫外光光測定三七總皂苷的方
  7. The number of the channels was chosen, both the relationship between the channel wide and the minimum screen area covered by the pool and the relationship between the location of the pool and the covered screen area were presented by analyzing the screen area covered by the liquid pool under the worst operating condition

    對通道式表面張力貯箱提出了系統的設計方,包括網面積析,得出不同加水平下的設計方案;通過通道壓力網路計算,得出最差工況下,各管道流量、壓降、網壓降,提出了以最小剩餘質量為目標的優化設計方
  8. 3 ) find out the project post - evaluation index system of the highway sustainable development through the study on the research achievements of our predecessor, the extensive exploration, the use of the frequency statistic law and the main factors analysis method to analysis, distinguish and select the factors which can affect the

    3 )結合前人的研究成果,通過廣泛的調查研究,運用頻統計,主成對影響高公路建設項目可持續發展的因素進行析、識別和選,得出影響高公路建設項目可持續發展后評價的指標體系。
  9. For the problem of navigation planning, the selection of the navigation signpost, asteroids and the planning of the photoing sequence are important matter. this dissertation proposes criterions, including visible magnitude, distance, relative velocity, angle of sight lines, on selection of asteroids, based on the trajectory scheme of exploring ivar

    對于導航小行星選問題,提出了基於小行星可見星等、距離、相對、視線夾角的選準則,並利用綜合評估的方式進行導航小行星的選;對于小行星拍照序列規劃問題,別採用反復最鄰近和改進的遺傳演算進行求解,並對兩種方進行了比較析。
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