接合因子 的英文怎麼說

中文拼音 [jiēyīnzi]
接合因子 英文
conjugative element
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • 接合 : joint; zygosis; juncture; articulation; concrescent; nexus; coaptation; syndesis; synapsis; meet;...
  1. But without rdrp transcription were tested. so it is suggested that tm - 22 is a relative to multi - protein transcriptional coactivator. mip204 and pr - la gene expression can be induced in resistant response and do not relate to rdrp gene transcription

    此,可以認為tm一22基的編碼蛋白與復蛋白轉錄有關,在抗病反應中能夠誘導五刃滬204和屍尺一ia基的表達,與rdrp基的轉錄沒有直的聯系。
  2. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對燕尾榫聯結構創建了參數化實體模型;基於ansys軟體平臺求解彈性觸問題,獲得了榫聯結構觸應力及觸狀態量的分佈;在已有微動疲勞壽命預測模型的基礎上,引入載荷頻率影響,對低周、高低周復載荷作用下的燕尾榫聯結構進行了微動疲勞壽命的預測,與試驗結果對比表明採用本文提出的方法預測榫聯結構的微動疲勞壽命是有效的。
  3. The method of crack - division is used to make radial cracks at the edge of cavity. a series of integral equations for determining the dsif at tips of anti - plane crack are set up in terms of the green ' s function

    按「契」的方式和採用裂紋切割技術構造出孔邊徑向界面裂紋對sh波散射的模型,利用green函數建立直求解m型裂紋尖端動應力強度的定解積分方程組。
  4. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動力學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬,最後得到腰椎間關節剛度系數和阻尼系數
  5. Based on the line spring model of rice and levy, this paper sets up eight nodes line spring element and its stiffness matrixes and works out a program consist of prism element, hexahedron element and line spring element

    編制了五面體單元、六面體單元和八節點線彈簧單元相結的計算程序,計算了t型板頭表面裂紋的應力強度,計算值與光彈性試驗結果吻較好。
  6. Based on the structure and function analysis of hirudin, a potent thrombin inhibitor, and some platelet aggregation inhibitors, which contain the recognition sequence argglyasp as their functional motif, two chimeric antithrombotic molecules were designed by introducing rgd sequence to hirudin cterminus. these chimera genes were constructed by pcr and inserted into the expression vector pet21a, the constructs were confirmed by restriction enzyme digestion and dna sequence analysis. these recombinant plasmids were transformed into

    經限制酶消化和dna序列分析,證明兩種重組質粒與設計完全一致。由於rgd -水蛭素嵌上游連了金黃色葡萄球菌蛋白a spa的信號肽序列,在iptg誘導下兩種嵌都獲得了分泌表達,表達產物主要集中在細胞周質空間。
  7. According to medical research, when vitamin b12 enters the body, it forms a compound with an intrinsic factor secreted by the parietal cells large cells of the peptic glands on the gastric mucosa mucous membrane of the stomach, before being absorbed by receptors in the ileum lower part of the small intestine in the presence of calcium ions

    在維他命b12的吸收方面,根據醫學報導,維他命b12在吃進人體后,首先會在胃部,和胃壁細胞parietal cells分泌的一種蛋白質內intrinsic factor結,形成復物后,再由小腸段中的回腸ileum吸收。在回腸之受體receptors吸收時,需要有鈣離之存在。
  8. Based on the conclusions of the domestic and foreign researches on the utilization of land resources, this dissertation carries out the research on the sustainable utilization of land resources of liaocheng. in the research, the author selects 30 factors as the evaluated elements from the five norms of productivity, stability, protection, economic force and social acceptability to set up the evaluation system, evaluates the comprehensive level of the sustainable utilization of land resources of liaocheng in the time - and - place - based way from the multi - angles of single standard, and diagnoses the obstructions quantitatively by introducing the two definitions of “ the deviation degree from the standard ” and “ obstruction degree ”, then puts forward the concrete measures for the main obstruction factors in order to provide the scientific basis for the management and quantitative evaluation on the sustainable utilization of land resources of liaocheng

    本論文在借鑒國內外關于土地資源利用研究取得經驗的基礎上,對聊城市土地資源可持續利用進行針對性的實踐研究,從生產力準則層、穩定性準則層、保護性準則層、經濟活力準則層、社會可受性準則層五個方面,選取30個素作為參評,建立評價指標體系;運用單指標多角度和基於時點兩種評價方法進行綜測算,評判出聊城市土地資源可持續利用綜水平;引進「指標偏離度」 、 「障礙度」概念進行定量障礙診斷,並針對主要障礙素提出可持續利用具體對策,為聊城市土地資源可持續利用和管理提供定量評價的科學依據。
  9. Follistatin antagonises myostatin by a direct protein - protein interaction, which prevents myostatin from executing its inhibitory effect on muscle development

    Myostatin是目前所知的最強的肌肉抑制, follistatin通過直的蛋白結而拮抗myostatin對肌肉發育的抑制作用,表現出增肌效應。
  10. Reparation of peripheral median nerve defect with basic fibroblast growth factor combined with autogenous vein graft conduit

    堿性成纖維細胞生長靜脈套修復正中神經缺損
  11. On the basis of the study of the theory and appraise method on land use in the small towns from home and abroad, this paper at first conducts a deep study on the development and role of the small towns, indicating that its development has sawn an uneven development phrase and becomes a carrier of the enterprises, a pool of surplus laborers, a hub of material exchanges between the rural and urban areas, a base of spiritual civilization, an important way to achieve urbanization. second, it conducts a study on the situation and features and the problems the land use, indicating that the efficiency of the land use is low, which has a direct influence on the development of agriculture and the role of the small towns. and the study of the demand of the land indicates the shortage of land is serious, and the small town must rationally use the land and increases its intensive role and the economical efficiency to meet the demand

    在分析國內外已有關于小城鎮土地利用的理論與評價方法的基礎上,首先對小城鎮在我國的發展、地位和作用進行了深入的分析,判明我國小城鎮發展經歷了一個曲折向上的發展階段,已成為鄉鎮企業的載體,農村剩餘勞動力的蓄水池,城鄉物資交流的樞紐,農村精神文明的基地,是我國城市化的重要途徑;其次,對小城鎮土地資源利用現狀和特徵進行了探討,並對發展小城鎮建設導致的土地利用問題進行了剖析,表明目前我國大多數小城鎮土地效益和規模效益低下,佔用耕地過多,直影響農業的發展,影響小城鎮的地位和作用;通過小城鎮土地供需分析研究表明,我國土地短缺十分嚴峻,小城鎮土地需求缺口較大,小城鎮必須理利用現有土地,增強集約功能和土地經濟效益,從而緩解需求壓力;最後,論文通過運用特爾菲法,描述統計分析法、多元統計分析(主成分分析)法和系統分析法中的層次分析法( ahp )等一系列方法,結定性和定量兩方面,從土地質量、土地資源數量與結構、土地經濟效益、環境效益、社會效益等五個方面進行分析,篩選、建立了土地資源利用評價指標體系,在評價的基礎上,建立了土地利用綜評價模型,並給出了評價過程和方法。
  12. Dendritic cells ( dc ) is the most powerful apc, which can markedly increase the antigen - presentation capacity by maximizing the pepitide - mhc complexes on the cell surface and upregulating the co - stimulatory ligands b7 - 1 and b7 - 2, adhesion moleculees such as il - 12 that promote full activation of lymphocytes. full activation of antigen - specific t cells requires two signals - one signal coming via the tcr and the other signal through engagment of co - stimulatary molecules. t cells receiving one signal via their tcr are turned off by mhc ( major histocompatibility complex ), via t cell cd28 binding to b7 on the dc induce tlymphokine and t cell proliferatiion

    T細胞介導的細胞免疫在控制腫瘤生長方面發揮著重要作用, t細胞在發揮抗瘤效應(分泌細胞和直殺傷)之前必須先經過活化,體內專職抗原提呈細胞( apc )細胞並使其活化,樹突狀細胞( dendriticcell , dc )為t細胞的激活提供雙重信號, t細胞藉助tcr識別由dcmhc分遞交的抗原肽后,通過tcr - cd3復體傳遞抗原特異性識別信號(第一信號) ,以cd28為主的t細胞表面輔佐分識別dc表面b7分,傳遞非特異性協同刺激信號(第二信號) ,在機體抗腫瘤免疫應答中處于核心地位。
  13. By the compounds of submandibular gland cells and collagen sponges. we investigate the optimal cell denisity of tissue engineered compound of submandibular gland cells and collagen sponges, the cellular compatibility of tissue engineered compound of submandibular gland cells on the collagen sponges with different porosity and the influence of epidermal growth factor on the adherence of submandibular gland cell to collagen sponge. our studies can primary provide theoretical ground work to form the model in vitro of tissue engineering smg

    在本研究中,以初步探討體外頜下腺細胞與膠原海綿支架相互作用為目的,採用體外分離培養sd大鼠頜下腺細胞,然後種于膠原海綿支架上體外復培養的方法;從不同種細胞濃度對細胞一支架復物影響,同一種細胞濃度在不同孔隙率的支架上黏附、增殖的情況及表皮生長( egf )對頜下腺細胞的促增殖作用,促細胞在支架上黏附等三方面入手,初步研究了頜下腺細胞與膠原海綿相互作用的影響素,為進一步在體外及體內構建較為理想的組織工程化頜下腺提供理論參數和實驗依據。
  14. The dynamics equations of soil water vaporizing and ammonia volatilizing hcluding the factors of water and temperature, and the dynamics - like equation of urea transforming into ammonium nitrogen in soil are founded in the paper, by taking the effect of interaction of water and temperature as subject, the dynamic change character of object studied as basis and using principle of chemical dynamic ; the empirio - equations of soil water retention curve including temperature and the empirio - equations including temperature between water potential of millet seedling leaves and soil water are founded in order to make the equation of relation between water potential and water content in soil suit the demand of temperature change much better

    本文以水熱耦效應為主題,基於研究對象的動態變化特徵,應用化學動力學原理,建立了含水、熱以及水熱耦效應的土壤水分蒸發、肥料氨揮發動力學方程,以及施入土壤中的尿素轉化為銨態氮的動力學型方程;為使水勢?含水量關系式更好適應變溫條件應用的要求,建立了含溫度表徵土壤持水曲線的經驗方程,以及含溫度的穀苗葉水勢與土壤含水量關系經驗方程。
  15. In the end, the thesis supplies the parameter of magnetic & susceptibility anomaly forecasting oil and gas reservoir and pointed out the association with the parameter and the compartmentalized oil & gas perspective region may improve the precision rate greatly in magnetic exploration searching oil and gas reservoir directly

    油井資料驗證了磁性資料探測油氣藏結論,驗證結果表明了資料的有效性和劃分的理性。由此,本文給出了磁異常? ?磁化率異常聯預測油氣藏量化,指出此油氣遠景區圖示可以大大提高磁性指標直探測油氣藏的準確率。
  16. They are positive regulating proteins and play a very important role in the development of neoplasma. cki are negative regulators taking part in cell cycle, which can directly or indirectly combine with the corresponding cdks to inhibit their activity. cyclin - cdk - cki constitutes a complex network regulating cell cycle

    細胞周期蛋白依賴性激酶抑制( cyclindependentkinaseinhibitors , cki )可直抑制相應的cdk活性或通過與cyclin競爭性結cdk而起到抑制cyclin - cdk復物的活性,從而作為負性調節參與細胞周期調控。
  17. The immediate cause of cancer must be some combination of insults and accidents that induces normal cells in a healthy human body to turn malignant, growing like weeds and sprouting in unnatural places

    造成癌癥的直,必然是傷害與意外的某種組,使得健康人的正常細胞轉變成惡性,而像野草一樣蔓延,發展到不應該出現的地方。
  18. Objectives to improve the effect of a single mtb8. 4 dna vaccine, we constructed a chimeric mtb8. 4 / hil - 12 eukaryotic plasmid by linkage of mycobacterium tuberculosis mtb8. 4 gene to human il12 gene with a simple linker ( gly4 - ser ) 3. we analyzed the immunogenicity of chimeric dna vaccine and investigated the immune responses elicited when mtb8. 4 / hil12 was presented as endogenous ag

    目的:以il - 12作為分佐劑,與結核桿菌新抗原mtb8 . 4基形成嵌,將其克隆到真核表達質粒中,構建成嵌dna疫苗,研究其在小鼠體內誘導細胞免疫應答的效果及對c57bl 6n小鼠的免疫保護作用,為尋求安全、有效、廉價的結核病新疫苗打下基礎。
  19. Following, making development study from the three directions : the first one is how to reduce calculation when to use markowitz model. this text has improved the efficient frontier of markowitz model utilizing free risk assets, and reduced calculation about revenue rates " co - variance matrix utilizing single or multiple factors, and so on. the second one is to add thinking factors about, such as transaction fee, fund limitation, lowest transaction unit ' s limitation, risk measures and exchange rate risk of international portfolio securities, so as to make markowitz model closer to our country ' s practice

    著,分三今方向對markowitz模型進行了拓展研究:第一個方向是運用markowitz模型時如何減少計算量,本文利用無風險資產來改進markowitz模型的有效邊界,利用單或多模型來減少收益率協方差的計算量等等;第二個方向是增加考慮素,諸如交易費用、資金限制、最小交易單位限制,風險測度和國際組證券的匯率風險,使markowitz模型更貼近我國的實際;第三個方向是對markowitz模型進行動態拓展研究,提出了將證券收益率看成是隨機序列時的投資決策模型,深入研究了m ? v有效邊界隨資產品種數增加而發生的漂移,並用解析方法和幾何圖形描述了漂移的軌跡和方向。
  20. 2 ) basis of upon studies, we have also designed and sythesized the mutation ii of the cmiv that been greatly changed in the 3 " of the gene comparing with nature cmiv : the ht gf3 ( the third loop region of htgf2 specifically binding to egfr receptor ) was fused to 3 " of gene of cmiv through a flexible linker. the gene of the mutation ii of cmiv was sequenced and clonged to the vector of ptxfus to fuse to the 3 " of gene of thioredoxin

    二、在以上研究的基礎上,對cmiv抗菌肽的c端進行較大的改造,即將與腫瘤細胞過度表達的表皮生長受體( egfr )具有高親和性的多肽tgf _ 3通過疏水柔性頭連在抗菌肽cmiv的c端,設計完整的基,並在大腸桿菌中利用ptxfus表達載體與硫氧還蛋白進行可溶性融蛋白表達。
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