過去抗性 的英文怎麼說

中文拼音 [guòqùkàngxìng]
過去抗性 英文
past resistance
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 去 : 去動詞1. （用在動詞后, 表示動作離開說話人所在地） 2. （用在動詞后, 表示動作的繼續等）
  • 抗 : Ⅰ動詞1 （抵抗; 抵擋） resist; combat; fight 2 （拒絕; 抗拒） refuse; defy 3 （對等） contend with...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 過去 : 過去in [of] the past; formerly; previously
  1. There have been attempts to modify the fiber chemically to resist abrasion enhancement.

    過去曾設法用化學變性方法，提高纖維的抗磨損性能。
  2. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和試驗研究相結合的方法，研究了目前應用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法，主要內容為以下幾方面：對一擬建的復雜高層建築結構，採用1 20比例的空間整體模型，進行了26種工況下的模擬地震振動臺試驗，觀察了結構的破壞過程和地震反應，分析了結構及構件的抗震性能；建立了結構的精細空間模型，利用sap2000n大型有限元分析程序對結構進行了彈性時程分析；通過有限元分析與試驗結果的對比，對結構的抗震性能和抗震能力做出綜合評價，認為該結構由於轉換層上部去掉部分樓板，既可滿足建築設計的通風、採光等要求，又可達到協調結構轉換層上、下樓層抗側剛度的效果，是一種較理想的有多道抗震防線的結構型式。
  3. In non - selfsustained discharge the excitation and ionization processes can be controlled separately, which is useful to optimize the e / p value of the discharge. the ballast resistance can be leaved out and the maximal electro - optical efficiency reaches 19 %

    非自持放電使激光器的激發和電離過程分開，有利於使二者分別處于各自的最佳e p值附近，放電的正阻抗特性使放電電路可以省去限流電阻，極大地提高激光器的實際效率。
  4. In the past several decades, all kinds of research work have been carried out on the genetic resources of genus malus species. therefore, much progress has been made concerning the studies of the number of species, geographical distribution, morphology, classification, cytology, cell biology, reproductive biology and resistance characters to various environmental stresses

    在過去的幾十年中，我國的蘋果資源研究工作者對蘋果屬植物的種類、數量、分佈、形態學、系統學、孢粉學、細胞學、生殖生物學和抗逆境生物學特性等眾多方面開展了廣泛、系統和深入細致的研究，取得了許多重要成果，但也存在明顯不足。
  5. In the past fifty years or so, with the development of the under water acoustic engineering and shock absorption, the capabil ity of modern submarine is greater then ever before. now it has become the u1timate weapos for each country in the wor1d

    在過去的五十年中，隨著水聲工程學和減振降噪技術的進步，潛艇的隱身性能得到了空前發展，在國家之間的對抗當中也成為極為重要的「殺手鐧」類的武器。
  6. This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization

    半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用；臺後土抗力升溫時採用靜止土壓力加彈性土抗力，降溫時採用主動土壓力；分析橋梁受力性能時考慮了結構自重、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例，採用大型通用軟體ansys建立平面框架模型，進行彈性、大變形分析，模擬全橋受力和變形特點；同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型，通過三種橋型同步加載對比分析，研究半整體式橋臺無縫橋梁獨特的受力特點和結構性能，總結其設計控制因素和構造要求。通過本文研究知：半整體式橋臺無縫橋梁主梁的剪力、彎矩、撓度和下部結構的軸力與梁式橋相近，結構整體剛度增大，併除去了伸縮縫病害；但主梁增加了軸力，下部結構剪力、彎矩較梁式橋大；綜合分析是一種受力合理有實踐和推廣價值的橋型。
  7. The results were as follows : ( l ) the pre - incubation of pmr induced the exocytosis of the cortical granules ( cgs ) in the oocytes and reduced the quantity of the microvillus on the surface of oocytes ; ( 2 ) the matrix of cg might migrate to the surface of plasma membrane of oocytes after pmr pre - treatment. ( 3 ) incubation of zona - free hamster eggs with spermatozoa pretreated with pmr a ntiserum was associated with a dose - dependent significant reduction in the number of spermatozoa binding to the oolemma, compared with a contraband with a dose - dependent reduction of the fertilization rate and the penetration index. the results indicate that mr of human sperm plays an important role in sperm - oocyte fusion and oocyte activation

    結果顯示： （ 1 ）人精子mr能夠誘發去透明帶金黃地鼠卵母細胞中皮質顆粒的胞吐，並引起卵母細胞膜表面微絨毛形態和數量發生改變； （ 2 ）皮質顆粒胞吐后，其內容物可結合到卵膜表面； （ 3 ）抗mr抗血清預處理精子可抑制精子與卵子的結合與融合，使受精率、穿透指數和結合指數下降，並均有劑量依賴性。以上結果提示，人精子mr在受精過程中起重要作用，其主要作用可能是介導精-卵膜融合併促進卵母細胞的活化。
  8. This paper finds that butler ' s model is useful to develop micro - politics for feminists, because she sucessfully incorporates focaultian notion of power and lacanian notion of the imaginary into her model, thus being able to explain how the bodies come to matter through identificatory process and develop her strategy of deconstruction

    本文發現巴勒的模式能幫助女性主義者發展她們的微觀政治，因為她已成功地合併傅柯的權力觀與拉崗的想像概念，以致於她能解釋身體是如何透過認同的過程被形塑成物，並進而發展她的解構策略去對抗此種異力。
  9. But several earthquake has proved than it is of poor ductility and is brittle destroyed easily. but semi - rigid connections, which is formed by high strength bolts and connecting components, for example angle, end - plate and shape t steel, have an excellent energy dissipating mechanism to resist earthquake loads and prove more capacity for yielding and ductility

    而主要通過高強螺栓與連接件（角鋼、端板以及t型鋼等）把梁與柱連接起來的半剛性節點連接具有較強的耗能能力去抵抗一部分地震荷載，它能提供更多的屈服容量和延性容量，同時可節省節點的用鋼量，這使得半剛性連接成為一種既經濟又可靠的連接方式。
  10. The ubi - sl - tocs fragment was taken out, inserted into the multi - cloning site of pcambia1300 vector, transformed into jm109 strain finally, positive colonies were screened on lb plate ( 60 g / ml kan added ). the result of pcr and enzyme digestion of plasmid proved that recombinatin vector was obtained ( named pcusaib4 and pcusaibu )

    把擴增產物分別通過clai和bamhi酶切純化，連接到用clai和bamhi切去gfpml基因的中間表達載體pugfpocs中，轉化大腸桿菌jm109 ，在含amp （ 100 g / ml ）的lb抗性平板上篩選到了的陽性菌落。
  11. Mature embryo - derived calli of japonica rice ( oryza sativa l. ) cultivars nipponbare were transformed using agrobacterium tumefaciens strain agl1 carrying a binary vector pcas04 harboring the marker gene, neomycin phosphotransferase gene ( nptii ), driven by a promoter from the ubiquitin gene in maize, a promoterless p - glucuronidase gene near to the left border of t - dna for trapping gene and a strong promoter, rice actin - gb promoter, near to the right border of t - dna as activation tagging. in this system, co - cultivation was simplified, special selection stages and pre - regeneration stage were omitted, the whole process was almost under continuous light at 30 ? except co - cultivation and transgenic plants began to generate only after 7 weeks calli were induced

    在一步轉化系統中，光照高溫條件下培養的水稻愈傷組織從誘導開始經過4周時間就可以達到轉化實驗的要求，並且簡化、優化了整個共培養過程，省去了一篩、二篩和預分化步驟，只用7周的時間就可以初步得到再生轉化植株；共191塊愈傷組織得到125塊抗性愈傷組織，轉化頻率達到65 . 4 ，最後共得到99棵獨立來源的再生植株，抗性愈傷組織再生頻率達到79 . 2 。
  12. With this in minds, many researchers have proposed a variety of models for describing the nonlinear fracture of concrete for the past decades. amid them most take the critical stress intensity factor kic as the fracture toughness, a sign of ability to resist the crack extension

    對此，在過去的幾十年裡，眾多研究人員提出了很多描述混凝土非線性斷裂的模型，而其中的大多數斷裂模型都以臨界應力強度因子k _ （ ic ）作為抵抗裂縫擴展阻力的斷裂韌度。
  13. As a part of the project aided by nature science national fund, 《 analysis of soil - foundation - structure dynamic interaction 》 ( no. 50278033 ), some issues about test research and simulation analysis on soil - box foundation - rc frame structure are discussed in this thesis. these issues include the development in contact modal of dynamic analysis with soil - box foundation interaction, the effect on dynamic interaction with transform in parameter both of superstructure and soil, the research on seismic isolation by changing soil stiffness and introducing research result to the seismic structure design

    結合國家自然科學基金課題《地基-基礎-上部結構相互作用體系動力特性研究》 （ no . 50278033 ） ，本文圍繞土-箱形基礎- rc框架結構動力相互作用這一課題，在前人研究成果的基礎上，對動力分析中的接觸模型作了新的探討，並通過試驗分析和數值計算上作了相應的研究對比;同時研究了上部結構與土的各項動力參數對動力相互作用的實際影響，並且進一步利用上述研究得出的結果，通過數值分析探討了關于採用換土改變地基剛度而起到隔震的效果，將土-動力相互作用研究的成果引入工程抗震設計的實際工作去。
  14. The problem of signal processing for direct - sequence code - division - multiple - access ( ds - cdma ) signal over multipath frequency - selective mobile channels is considered. a new blind receiver is proposed. without the knowledge of the multiple - access interference users spreading code and the channel characteristics, the receiver achieves blind detection with prior knowledge of only the desired users spreading code and approximate timing. by using reduced rank adaptive decorrelating filter and adaptive multipath combiner which is based on decision - directed algorithm, the receiver gets the ability to combat both fading and the near - far effect at low cost. simulation results demonstrate that the proposed receiver offers high performance

    本文研究多徑頻率選擇性衰落通道下直接序列擴頻碼分多址（ ds - cdma ）信號的處理問題，提出了一種新型的盲接收機.該接收機不需預知多址干擾用戶的擴頻碼，不需預知通道參數，只需已知期望用戶的擴頻碼和粗略的定時，就可以完成用戶的盲檢測.同時，該接收機通過降維自適應去相關濾波和基於判決指導的自適應多徑合併，來獲得低成本和良好的抗衰落、抗遠近效應性能.模擬結果驗證了本文提出的接收機的優良性能
  15. There has been a substantial fall in hypertension - associated intracerebral haemorrhage over the past 25 years, but not in the overall number of cases of intracerebral haemorrhage in older age - groups, in part due to a rise in intracerebral haemorrhage associated with antithrombotic use

    在過去25年，與高血壓有相關性的顱內出血（發病率）大體上是下降的，但在高齡人群中，顱內出血的總體病例數（變化）並非如此，這在某種程度上是因為與（發病前）應用抗凝藥物有關的顱內出血的發病率的增高。
  16. If you are big the patient of 3 this world, your lover must oneself has antibody ( the hospital goes checking ) if do not have some words to must hit precaution, the needle produces antibody, the transmission way contest of second liver has 3 kinds, 1, blood, 2, the gender travels 3, mu ying travels, usually if the other side has the word of antibody, with respect to problem of it doesn ' t matter, normal lover is possible close movement is ok, if the affirmative meeting of strong recognition minds you, be second liver patient, but if be below the premise of love, the other side won ' t mind, still the illness that is you must be stabilized, medicine develops now, although cannot treat your disease, but control illness is possible still, it is ok to and had later leave generation group those who break transmission, be at ease become a normal person, the life of too normal person is no problem

    假如你是大三陽的患者，你的戀人必須自身有抗體（醫院去檢查）假如沒有的話一定要打預防針產生抗體，乙肝的傳播途競有三種， 1 、血液， 2 、性傳播3 、母嬰傳播，一般情況下對方假如有抗體的話，就沒什麼問題，正常戀人可以的親密動作都可以，假如剛熟悉的肯定會介意你是乙肝患者，但是假如在愛的前提下，對方是不會介意的，還有一點是你的病情一定要穩定，現在醫學發達，雖然不能治療你的病，但控制病情還是可以的，並且以後有了下一代都可以組斷傳播的，放心的當個正常人吧，過正常人的生活是沒問題的。
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