正向突變 的英文怎麼說

中文拼音 [zhēngxiàngtūbiàn]
正向突變 英文
forward mutant
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 突 : Ⅰ動詞1 （猛沖） dash forward; shoot out 2 （高於周圍） protrude; bulgeⅡ副詞（突然） abruptly; sud...
  • 正向 : [電學] forward direction正向傳導 forward conduction
  • 突變 : 1 （突然急劇的變化） sudden change; change suddenly; transilience; accident; saltation; revulsion...
  1. The paper analyses the law of services spatial diffusion in chongqing city, which is the law of business services spatial diffusion base on contagious diffusion hierarchical diffusion and base on the law of stochastic diffusion along the axes, and, according these principle, revise the unit factors score of business services calculated by using traditional way

    由於重慶市地形復雜，江河阻隔，因此山城城市職能除表現為傳染擴散規律外，更突出地表現為等級擴散和軸向隨機擴散規律。文章依據這些原理對採用傳統的方法得到的商服功能影響作用分進行修正，同時探討了結點數動態變化時城市職能的空間擴散規律。
  2. The aglycone, steviol, exhibited greater acute toxicity than stevioside in hamsters but not in rats. steviol was clearly genotoxic after metabolic activation, inducing forward mutations in bacteria and gene mutations and chromosomal aberrations in lung fibroblasts of chinese hamsters

    甜菊醇經過代謝活化后，基因毒性明顯，可引致細菌產生正向突變，以及使中國倉鼠的肺纖維原細胞產生基因突變和染色體變異。
  3. Because the data mutate on the position that is the edge, the normal curvature on some orientation changes from positive to negative. so it is thought whether some point is judged the edge - point by this character

    由於邊緣是圖像上像素發生突變的位置，所以在圖像曲面上某一方向的法曲率值會出現由正到負的變化，故此應用這個性質來判斷曲面上某點是否為邊緣點。
  4. An outstanding change in marketing strategy development is the transformation from planning according to firms circumstances to real satisfaction on clients requirements. this will make firms find out feasible marketing penetration points

    企業市場營銷戰略發展一個突出的變化，是從企業根據自己的情況制定滿足需求計劃，向真正滿足客戶需求轉變，真正找到企業比較適合的營銷戰略的切入點。
  5. The absence of the fmr1 gene product, fragile x mental retardation protein ( fmrp ), is believed to be responsible for the typical physical and mental characteristics of the fragile x syndrome. alleles with between 43 and 200 cgg repeats are called permutation. they are generally unmethylated with normal transcript and protein level, but are extremely unstable during transmission to next generation

    帶有前突變（ n = 43 200 ）的個體其fmr1基因通常不會甲基化，可以正常轉錄和翻譯產生fmrp ，故沒有臨床表型出現，但是，在向下一代傳遞的過程中卻是非常不穩定的，會從前突變擴增成為全突變。
  6. The operation characteristic of the new relay is analyzed in theory and verified by the simulation tests. the new relay operates with clear selectivity and high operation speed and can satisfy the demand of the protection for the ehv transmission line. the performance of the fault component impedance relay has been improved and the misoperaion of the healthy phase under cross - country fault and close - in fault have been avoided

    理論分析及模擬計算表明，基於自適應補償的突變量距離繼電器有很好的選擇性和速動性，完全能夠滿足高壓線路保護的需要，顯著提高了突變量距離的性能，解決了其在大電源出口單相故障以及正反向復故障可能會誤跳三相的缺點。
  7. This paper gives us too ways ： one is to adopt a better modulation mechanism, s - cdma, to bate noise jamming. the other way is to implement automatic frequency agility under strong noise, based on the ranging and burst configuration mechanism of current docsis protocol, meanwhile, guaranteeing cmts ' s normal operating. this paper comprehensively analyzes the anti - jamming mechanism of docsis, then presents the specific implementation of the latter method

    如何降低噪聲對網路的危害，本論文指出了兩個方向，其中一個就是在調制體制上下工夫，採用s - cdma體制，通過改變調制方式來主動的抑制噪聲的影響；另一個方向就是基於現在協議提供的抗噪聲干擾的機制，充分挖掘測距機制和靈活的突發配置機制的抗干擾潛力，以不影響頭端設備的正常運行為前提，以它們為基礎實現能自動避開強噪聲干擾的頻率轉移。
  8. The development of science and technology journal is limited obviously by its circumstance such as region, contribution, reader, etc. under the influence of these conditions, the confined mind and the unenterprise attitude is produced by editors. thus, the weak link of developing science and technology journal is showed conspicuously in blazing new trails of content, expanding circulation, and founding famous brand. for expanding the developing space of science and technology journal, some effective measures should be adopted. first, the content and quality of journal should be highly valued. the constantly bring forth new ideas in the content should be promoted by publishing original theses, supporting new subject, introducing new direction, creating characteristic column, etc. by means of these methods, the aim of spreading original achievement, starting new fields of scientific research can be achieved. so academic standard and effect of the journal can be improved. second, the operate mechanism of journal as a processing workshop should be changed. the varied methods should be adopted for selling, circulating and information feedback of journal. third, the reputation of the journal should be safeguarded by correcting ideology of publish. the resources of the journal should be rationally used and developed. it can promote the science and technology journal growing continued

    科技期刊的發展受到地域、稿源、讀者等環境因素的制約.受其影響，編輯易產生封閉、不思進取的心態，使科技期刊在內容創新、擴大流通、創立品牌等方面突現出薄弱環節.為拓展科技期刊的發展空間，首先應抓內容和質量，通過刊發創新論文、扶持創新學科、引進創新方向、創辦特色欄目促進科技期刊內容創新，以傳播創新成果，開辟創新領域，提高期刊的學術水平，擴大影響力;其次，應改變純粹的生產單位、加工車間的運作機制，採用多種局道、多種方法加強科技期刊出版后的營銷、流通及信息反饋等工作，走出重生產、輕開發、輕流通的誤區，擴大影響面;第三，應端正出版理念，維護刊物的聲譽，合理利用、充分拓展科技期刊的品牌資源，促進科技期刊的可持續發展
  9. Forward mutation assay

    正向突變檢測
  10. In this dissertation we focused on the function of genes associated with anther and pollen development including map - based cloning of arabidopsis genes from male sterile mutants

    本論文以正向遺傳學的方法研究花藥及花粉發育過程的基因功能，主要利用圖位克隆的方法從擬南芥雄性不育突變體中克隆相應的基因。
  11. The land use takes place to compare to change greatly in 1992 ~ 2004 in shihezi city, the first with the change of the garden ares the woodland, transportation mineral areas, but negative change aspect, the ground and farmland is the most obvious

    結果表明，近12年來石河子市園地、林地、交通用地、居民點工礦用地的正向變化較明顯，而負變化方面，則是以未利用地和耕地的變化最為突出土地利用結構總體變化不大土地利用類型的轉移以非農建設佔用農用地特別是佔用耕地現象日益突出為主要特點，並呈現明顯的地域差異。
  12. Watch the point and price where the last move starts up from and when that price is broken, consider that the main trend is changing to the down side

    觀察在最後階段行情開始位置和價格上漲變化，當這個價格被有效突破后，可以認為主趨勢正向下發生改變。
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