選擇壓 的英文怎麼說

中文拼音 [xuǎnzháiyā]
選擇壓 英文
selection pressure
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 壓 : 壓構詞成分。
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. Laoyingdi population, baoshan population, yimen population, yupingshan population and shuangbai population. in addition, hierarchical relationships of populations were studied. put together, there are obvious intraspecific differentiations in lilium sulphureum baker apud hook

    綜合上還研究認為，淡黃花百合存在明顯的種內分化，不同的選擇壓力和兼性無融合生殖與該種植物的遺傳多樣性、適應和進化有密切關系。
  2. Base on discuss, choosing mongolian scotch pine and manchurian ash as experiment species, using three kinds of wood fire - retardant treatment methods which included soaking at some pressure, pressurized soaking under ultrasonic wave and the pressurized soaking under ultrasonic wave after treated by microwave, the result is that ultrasonic wave may apply in wood fire - retardant treatment production

    在討論的基礎上，以樟子松和水曲柳為木材試樣，選擇壓力浸漬、超聲波加壓浸漬和微波處理后超聲波加壓浸漬3種木材阻燃處理方法，經過試驗，說明在生產阻燃木材的浸漬方法中引入超聲波技術是可行的。
  3. In corn ' s wild relative, teosinte, these alleles occur in only 7 to 36 percent of plants, indicating that the selection pressure applied by early farmers to favor those alleles was rapid and thorough

    而在玉米的野生親戚大芻草里，這些對偶基因的出現率只有7 ~ 36 % ，顯示出早期農民對偏好的對偶基因，施予的選擇壓力很徹底而且快速。
  4. This dissertation studied biochemical characters of enzymes associated to op resistance in field populations of locusta migratoria manilensis ( meyen ) from huanghua - hebei, pingshan - hebei, beidagang - tianjin and wudi - shandong, where the insecticide selection pressures are considered different

    本文選取我國東亞飛蝗河北黃驊、河北平山、天津北大港和山東無棣四個殺蟲劑選擇壓力不同的東亞飛蝗自然種群進行有機磷抗性相關酶的生化特性研究。
  5. In selecting the upper limit value, sufficient room shall be maintained

    在選擇壓力表的上限值時應留有充分的餘地。
  6. Using " shanghai no. 4 " and " dongcun jiaopei " as donor materials, variants with improved heat tolerance were obtained through treating haploid stem apexes with pingyangmycin and then culturing survived stem apexes with stress of higher temperature

    摘要用平陽黴素對青花菜「上海4號」和「東村交配」的單倍體莖尖進行誘變處理，以高溫作為選擇壓力，獲得一批耐熱性明顯比原始品種提高的單倍體變異體。
  7. Firstly we maked sure method of isolating arabidopsisis mutant by thermal imagings in many ways on trial, optimize conditions for isolation, and confirm the good period of seedlings and fine density for isolation, select correct isolating pressure ( drought and h2o2 ) that is fit for isolate mutant. secondly we obtain an ml population derived from 0. 4 % ethyl methanesulfonate ( ems ) - mutagenized wild type arabidopsis thaliana

    本實驗首先是對利用遠紅外成像技術篩選擬南芥突變體方法的可行性進行多方面的試驗，優化篩選條件、確定篩選所需幼苗的生長時間、種植密度，界定用於篩選所需的脅迫（過氧化氫和乾旱）選擇壓力。
  8. During breeding for vertical resistance, horizontal resistance tends to decline because of negative selection pressure.

    當培育垂直抗性時，由於負的選擇壓力，水平抗性趨于下降。
  9. ( 3 ) the optimal explant age for transformation was 6 or 7 day after aseptic germination of seeds. ( 4 ) development of non - transformated cell was inhibited completely by 100mg / l kan. ( 5 ) 500mg / l cb could avoid pollution of agrobacterium tumefaciens and had no distinct effects on the formation of callus and shoot regeneration. ( 6 ) the optimal co - cultural condition was 3 day on 28 in dark

    以胡蘿卜品種「改良黑田」為受體材料，以胡蘿卜幼苗的下胚軸為外植體，建立了農桿菌介導法的胡蘿卜轉化體系，並對其中的種子消毒、激素水平、外植體的苗齡、選擇壓、共培養時間等關鍵步驟的條件進行了優化。
  10. Press the select key, and the light of compressor selecting lights, then select compressors by pressing the key

    按「選擇」鍵使「壓機選擇」燈亮，然後用上或下鍵選擇壓機， 「
  11. Firstly, the relationship of atomic force and distance is studied. the scan type of samples and the working mode of probe is confirmed, then pzt is chosen as actuator for micro scan displacement, and optical deflexion method is used to detect the deflexion value of cantilever. after all these work, the system light path design is finished, and its mathematical model is completed

    首先，分析了原子力探針系統的中原子力?距離的關系，並確定探針系統的探針的工作模式和樣品的掃描模式，從而選擇壓電陶瓷作為掃描微位移驅動器;採用光學偏轉法檢測微懸臂偏轉量，並選用了psd作為傳感元件，並在此基礎上進行了系統光路設計及其數學模型的建立。
  12. The genetic differentiation of among populations might be caused by human selective pressures and barriers to gene flow

    群體間一定程度的遺傳分化可能是人為選擇壓力和基因流障礙引起的。
  13. Fushiguang has the lowest inducing, up to 202. 2 %. 3 established transformation system mediated by agrobacterium twnefaciens

    3建立了農桿菌介導的遺傳轉化體系（ 1 ） ppt選擇壓力為10mg l 。
  14. In igaa a simulated annealing algorithm is used to alleviate the selection pressure of the genetic algorithm, and enhance the global convergence of igaa

    在改進的遺傳演算法中利用模擬退火的方法可以緩解遺傳演算法的選擇壓力，增強了遺傳演算法的全局收斂性，避免了在搜索過程中陷入局部最優。
  15. ( 1 ) the selection concentration of ppt is 10mg / l ( 2 ) the selection concentration of hgy is 50mg / l ( 3 ) the better combination of normal experiments which influence the 3 factors of transformation showed as follows

    （ 2 ） hyg選擇壓力為50mg l 。 （ 3 ）影響遺傳轉化的3個主要因素的正交試驗較優組合為：農桿菌重懸液為yeb ，共碩士學位論文摘要2002年5月一培養州值為5二，涮啊魏酸。
  16. Based on the outstanding characteristics of cloud model on the process of transforming a qualitative concept to a set of quantitative numerical values, and integrate with the basic principle of genetic algorithm, a novel adaptive evolutionary algorithm for continuous global optimization problems was proposed

    在定性知識的指導下該演算法能夠自適應控制搜索空間的范圍，較好地避免了傳統遺傳演算法易陷入局部最優解和選擇壓力過大造成的早熟收斂等問題。
  17. Select node pressure from the browser ' s map page and observe how pressure values at the nodes become color - coded

    在瀏覽器圖頁面上選擇「壓力節點」 ，觀察節點上壓力值的顏色標志如何變化。
  18. The two areas are important in locust control in china because of the frequent massive outbreaks of locusta migratoria manilensis ( meyen ). the selection pressure of op was found higher in huanghua - hebei and beidagang - tianjin than in pingshan - hebei and wudi - shandong. ld50 values for malathion of huanghua - hebei and beidagang - tianjin are higher than those of pingshan - hebei and wudi - shandong

    天津北大港、河北黃驊及河北平山三種群對馬拉硫磷的ld _ （ 50 ）值分別是山東無棣種群的1 . 96 、 1 . 8及1 . 02倍，這說明，我國重點蝗區殺蟲劑的選擇壓力已經造成當地東亞飛蝗種群對常用殺蟲劑的敏感性下降。
  19. The highest rate of mutation is seen in the part of the virus genome coding for the spike protein, the component of the virus which enables human cell entry. these data suggest that during the early part of the epidemic, the sars - coronavirus was under significant pressure to change in order to become an efficient human virus

    這證明來自動物的病毒在感染人類的初期，病毒受到強大的選擇壓力，而須迅速變異，使病毒得以在人類身上適應和生存，令人類受到感染和傳播病毒。
  20. The author discussed the determination of selection pressure, measured the growth of calli and analyzed the influences of regeneration media on the regeneration of resistant calli in order to get some parameters to enhance the indica rice transformation frequency of particle bombardment

    從秈稻基因槍轉化過程中選擇壓的確定、愈傷組織的生長規律以及不同分化培養基對抗性愈傷出苗率的影響上，探討了可能提高秈稻基因槍轉化頻率的參數。
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