進化阻滯 的英文怎麼說

中文拼音 [jìnhuàzhì]
進化阻滯 英文
evolutionary retardation
  • : 進構詞成分。
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ動詞(使停滯; 使不流通) stagnate; block up Ⅱ形容詞(停滯; 不流通) sluggish; slow-moving; stagnant
  • 進化 : evolution
  1. Abstract : the early embryo developmental block is a common phenomenon in mammal when embryos are cultured in vitro. many studies of phosphorus, glucose, hypoxanthine and cytoplasmic factors on early embryo developmental block carried out by different methods such as morphology, biochemistry, molecular biology and micromanipulation have been reviewed. the merit and shortcoming were analyzed and the necessity of using simple or components limited media overcoming early embryo developmental block were also reviewed. media that have been shown effective in overcoming early embryo developmental block in mouse, rat, hamster, rabbit, pig, sheep, cattle and monkey were listed

    摘要哺乳動物胚胎在體外培養中普遍存在早期發育的現象.對此,人們用形態學、生物學、分子生物學、顯微操作等手段開展了磷酸、葡萄糖、次黃嘌呤和細胞質因素對早期胚胎發育的影響的研究.本文綜合分析了共培養系統的優缺點.說明了採用完全成分已知的培養液對行有關研究的必要性.列出了有效運用於克服小鼠、大鼠、倉鼠、兔、豬、羊、牛、猴等動物早期胚胎的成分已知的培養液的名稱。
  2. In the first half of the 20th century, the lagging development in industry and commerce, the low efficiency of niter - city division of work, and other passive factors impeded the early modernization of the medium - sized cities in the eastern and southern regions of sichuan province

    20世紀的前半期,由於城市的工商業發展后,城市間分工低下,城市所依賴的區域又有許多不利於其一步發展的因素,致使川東、南地區的中等城市發展動力不足,城市早期現代程受
  3. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能行了量分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及回曲線、榫卯張角剛度及其變規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、尼特性及尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等行了定量分析。
  4. Abstract : according to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    文摘:根據電爐溫控制的特點,即只有升溫單向控制、后較大且具有參數時變性,利用模糊推理合成法建立模糊模型並行模糊控制器設計,為提高模糊控制的精度,引入模糊變量k ,構成參數自調整模糊控制系統.該系統可根據誤差和誤差變在線自動調整控制器參數,使系統的穩態精度得到改善
  5. Free cyclin level is low for they quickly bind with cdc2, the total cyclin mainly exist in mprty ( pre - mpf ) ml to m2 process ; all the elements are set to g2 arrest concentration, then we set pka - > ipka rate = 0. 1 to simulate progesterone effect, ( it has been reported that progesterone can decrease the camp level, thus causes pka inactivation ) mpf activity rise at ml, falls at the inter phase between ml and m2, and then remains high at m2 arrest

    : 22 nxm m dt 『 ? ? 「 ? 『民十cd 。 251 i : vj rccjc25 pi然後,我們應用gepasi來行這個模型的計算機模擬結果爪群卵成熟過程的模型模擬gz期,總的cyclinb的含量雖然升高,但是mpf保持在低活性狀態,隨著pka的失活, mpf活性有戲劇性的變,它的活性在mi升高,在問期下降,然後又在mz期升高,最後停留在高活性的mz期。
  6. In terms of some developed countries " lessons in the governance < wp = 9 > mode of economic transaction, the paper points out some barriers in domestic enterprises " internationalization , and gives some policy suggestions in internationalization and establishing perfect national innovation system. finally, the paper also analyzes the successful experiences of china ' s big company in tv industry, tcl ' s internationalization

    本文借鑒先的市場經濟國家經濟交易的治理方式,指出中國企業國際經營的政策,提出中國企業國際經營的政策建議和建立完善國家創新體系的政策建議,並分析了我國彩電業巨頭tcl跨國經營的成功經驗。
  7. According to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    根據電爐溫控制的特點,即只有升溫單向控制、后較大且具有參數時變性,利用模糊推理合成法建立模糊模型並行模糊控制器設計,為提高模糊控制的精度,引入模糊變量k ,構成參數自調整模糊控制系統.該系統可根據誤差和誤差變在線自動調整控制器參數,使系統的穩態精度得到改善
  8. Simultaneously, ruptured sinus of valsalva and complete atrioventricular block further complicated the preexisting septic shock and multiple organ failure

    同時並發的主動脈竇破裂與完全房室傳導一步的惡敗血性休克以及誘發多重器官衰竭。
  9. The influence of system of the country land is that poverty of peasants that result from the high rental of land because of land " s gathering and the high land tax badly blocks the economical development in sichuan in the period of minguo

    土地制度對四川當時社會經濟發展的影響是:土地買賣現象更加普遍,土地買賣中的宗法制度被打破,土地日趨集中於地主之手,地租率不斷上漲,加之賦稅沉重,農民的貧困加劇,農村生產力停不前,嚴重礙了當時四川工農業生產的一步發展。
  10. Firstly, the dynamical performance of friction damper ( frd ) and viscoelactic damper ( ved ) is tested in this paper. the work, which gets the rules that the two dampers " hysteretic curve and performance - parameters change follows the changing of excitement, lays the foundation for designing new kind of edd

    論文首先行了摩擦尼器和粘彈性尼器的動力性能試驗,獲得了兩種尼器的回曲線和性能參數隨激勵性質變的規律,為一步開發新型的耗能尼器提供了基礎。
  11. In order to find out the speciality of the hysteretic system under random excitation, random responses and model parameters of hysteretic system were studied by the method of stochastic equivalent linearization and mento - carlo simulation

    為了更好地了解在隨機激勵作用下遲尼振動系統的動力學特性,本文將隨機等價線性法與monto - carlo法應用於遲尼振動系統隨機響應分析並對該系統的參數特性行了初步的研究。
  12. The mento - carlo simulation was introduced to substitute the random vibration experiment. the random responses of hysteretic system gotten by the method of stochastic equivalent linearization were compared with mento - carlo simulations, and the feasibility of this method was exemplified by mento - carlo simulations

    對于遲尼振動系統的非平穩響應,本文亦用monte - carlo法來代替隨機振動實驗行了計算求解,並與隨機等價線性方法行了比較與分析,例證了等價線性方法處理遲尼振動系統隨機響應的可行性。
  13. It would be necessary to fully use the retardation of geological barriers to choose proper landfill sites for the waste solid and permanently protect the environment from pollution

    應充分利用地質屏障對有害物質在環境中運移的效應、對固體廢物地上或地下填埋場行優選址,使其達到環境保護的永久性和安全性。
  14. But the conditions of the agricultural expanding and its existing problems, the structure and distribution of the agricultural information resources, the agricultural management ' s systems, the economic conditions of the rural society and the cultural and educational standard, the public facilities of agriculture and countrysides, etc, all the above factors are affecting the agricultural information spreading and its communication directly or indirectly, interfering the spreading passages, slowing down the spreading speeds, reducing its efficiency, etc. therefore, we must improve the interior and exterior environment that affecting agricultural expanding, agric ultural information spreading and its service, take such measures as developing the science and education of agriculture and countryside, improving agricultural expanding system and organism, enforcing the basic facilities " construction of agriculture and countryside, enforcing the information resources " construction, etc, so that we can speed up the information spreading, promote the agricultural creative diffusing, improve the scientific standards of agricultural production, promote the development of agricultural economy, increase the farmer ' s income, and make the rural society develop rapidly

    但是,農業發展與農業推廣工作的狀況與其存在的問題以及農業信息資源結構與布局、農業管理體制與機制、農村經濟社會條件與文教育水平、農業和農村公共設施、農業推廣的行政或組織環境等方面的環境因素,直接或間接地制約了農業推廣信息傳播與交流及其服務工作的順利開展,障礙了信息傳播通道,了信息傳播速度,降低了信息傳播效益,不利於農業信息產業和農業信息水平的發展與提高。因此,必須著手改善影響農業推廣工作、農業信息傳播與服務工作的內外環境,採取諸如大力發展農業與農村科教事業、創新農業推廣體制和機制、加強農業和農村基礎設施建設、加強信息資源建設、發展農業信息產業等相應對策措施,才能加快農業信息傳播,促農業創新擴散和成果轉,提高農業生產的科技水平,推動農業經濟發展和農民收入提高以及農村社會的全面步。
  15. First, on the basis of differences between traditional ideal dry friction model and true experience, a bilinear hysteretic oscillator model is introduced, and detailed analyses about this model are given, then the delayed force is simplified by fourier method, theoretical foundation are given for later research

    首先在傳統干摩擦理想模型與實際情況存在差異的基礎上,對干摩擦的雙線性遲模型行了介紹,還對這一模型行了詳細的分析,並用fourier級數對遲部分行簡,為後面的研究打下了基礎。
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