超變位點 的英文怎麼說

中文拼音 [chāobiànwèidiǎn]
超變位點 英文
hypervariable sites
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  1. The cursory remarks of the large - minded stranger, of whom he knew absolutely nothing beyond a commonplace name, were sublimed by his death, and influenced clare more than all the reasoned ethics of the philosophers. his own parochialism made him ashamed by its contrast

    他對于這心懷坦蕩的同伴,除了一個普通的名字而外一無所知,但是他隨便評說的幾句話,他一死反而成了至理名言,對克萊爾的影響過了所有哲學家合乎邏輯的倫理學觀
  2. As a new type of functional material which has been developed in recent years, rare earth - iron giant magnetostrictive materials has many advantages, such as large magnetostriction strain, high coupling coefficient, quick response, high energy density and so on, which make it have good application future in fields of precision driving and microdisplacement based on the new type of functional material, this paper uses new principles and approaches to study this kind of microdisplacement actuator and its precision driving system

    稀土鐵系磁致伸縮材料就是近年來發展起來的?種新型的功能材料,具有磁致伸縮應大、機磁耦合系數高、響應速度快、能量密度高等優,已在精密驅動及微移執行器等領域顯示出良好的應用前景。本論文以這種新型的功能材料為基礎,以基於該類材料的微移執行器及其精密驅動系統為研究對象,並採用一些新的原理和方法,為新型、高性能微移執行器及其精密驅動系統的研究提供一個新的途徑與思路。
  3. It becomes more and more important for the safe transportation of ship with the developing of the global maritime transportation. it is indicated on the base of the investigation of solas that the proportion of shipwreck accidents rooting in the ship ' s fire exploding is rising year after year from 1980s, and now it is up to 30 percent by 1 percent every year, and the annual loss of the ship tonnage is over 600, 000 tons that is two times than that in 1960s

    隨著全球海上運輸業的不斷發展,船舶安全營運得愈來愈重要,根據國際海難救助協會的一項調查表明,自20世紀80年代以來,因船舶火災爆炸造成海難事故的比重逐年上升,年均增幅1個百分,現已達到30 ,造成船舶噸年損失較60年代翻了一番,過60萬噸,特別是船舶機艙,易燃易爆物質比較集中,最容易發生火災,事實也是如此。
  4. For both newtonian flow and non - newtonian flow, the vortices are generated when the waviness of the bottom profile is beyond a critical number. by increasing the waviness, a second vortex can be generated. with the increasing of reynolds number, the symmetry of the streamlines at re = 0 is destroyed and the vortices are sloped and become larger

    當波形板的波動度出臨界值,波形板壁面上的流動出現流線分離,流動中有渦生成;增大波動度,流動中出現第二個渦; re = 0 ,流線在流場中對稱分佈;雷諾數增大,流線駐在水平方向出現置偏移,渦的范圍增大;對于非牛頓流體,隨著剪切稀指數的減小,渦的作用范圍減小。
  5. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是:對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結,指出當前預應力鋼結構工程實踐中存在的主要問題;闡述了預應力鋼結構的受力機理,並指出預應力鋼結構的適用范圍和特;在考慮結構應力和約束的條件下,建立預應力鋼結構優化設計模型;提出多次預應力鋼結構優化設計方法和步驟,採用線性規劃和滿約束準則相結合的優化方法,可優化設計出施加的每一級預應力的大小,並得到結構各部分的優化截面;對多次預應力最佳的施加次數作了分析,並建議以2 3次為宜;為驗證文中理論和方法,分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的靜定鋼桁架等算例進行了優化設計,經濟效益明顯;對水平平行弦鋼桁架的幾種施加預應力的方案進行比較,對于局部布索,預應力只對下弦起到卸載作用,對上弦和腹桿基本不起作用;而整體布索預應力除對下弦卸載外,對索折以外部分腹桿也起到卸載作用,經濟效益好於局部布索。
  6. Cu - ni sulfided mine complex locate in baimazai of jinping county is sub alkali iron - super iron, it ' s zoning is clear and it ' s ni - cu - co melting first and enrichment, its rare earth is rich in right lean light rare earth, but eu in olive rock is serious to be bad, gd - tb is tittles negative abnormity. above - mentioned show that the mineral is cone from mantle, and didn " t mix with crustal substance, and continent tholeiite magma turning into continent tholeiite emplacement after by surging

    金平白馬寨銅鎳硫化礦床雜巖體分帶明顯、屬亞堿性鐵質-鐵質巖、具ni - cu - co三元素先熔離,后富集的規律、稀土配分為右傾斜輕稀土富集型,但橄欖巖銪虧損顯著, gd - tb微小負異常,顯示成礦物質來源地幔,與地殼物質無混染和大陸拉斑玄武巖漿上涌后為大洋拉斑玄武巖漿侵
  7. The relation between deformation of bar under normal force and node displacement is analyzed and applied to setting up compatibility equations of deformation for statically indeterminate problems

    摘要分析了軸向拉壓桿件的形與桿端結移之間的關系,並將其應用於拉壓靜定問題形協調方程的建立。
  8. But because of an indeterminate flexible structure with many degree of redundancy, its variant inner force under dead - loading, nonlinear behavior and the correlation between construction method and completed structure, especially incessant conversion of system in construction method, these must bring many complicated change to construction internal force and displacement. these main factors resulting in construction control analysis become more important in the design of cable - stayed bridge

    但由於它屬于高次靜定的柔性結構,恆載內力狀態具有多樣性、結構狀態呈非線性、施工過程與成橋狀態具有相關性,特別是在施工階段結構體系的不斷轉換,必然給橋梁結構帶來較復雜的內力和化,這些特使得斜拉橋的施工控制分析成為突出的研究課題。
  9. It ' s the first time clearly and systematically to present the concepts of restraint influence coefficient of steel to strain increment, to curvature increment and to deflection increment due to creep which are different each other. theoretical formulae are established, and approximate formulae are also obtained while considering the characteristics of common - used concrete and ambient condition of real bridges in china. so, an approximate restraint influence coefficient method to analyze the effect due to creep and shrinkage in pc bridges is put forward, and the equations to estimate second - force due to creep considering influence of steel in system - transferred continuous pc bridges is also established

    本文首次清晰而系統地提出了鋼筋對徐的不同效應(徐、徐曲率、徐上拱)約束影響系數的概念,建立了相應的計算式;結合我國普遍採用的混凝土的徐特性和橋梁的構造特及工作中南大學博士學論文摘要環境特徵,給出了具有較高計算精度的實用計算式;在此基礎上,建立了橋梁徐效應近似分析的鋼筋約束影響系數法,並推導出了考慮鋼筋影響的靜定梁徐次內力的近似計算式,可方便地應用於橋梁研究和設計中。
  10. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中,由於受其自身及外界各種因素的影響,常常會產生一些缺陷,對結構物的承載能力和耐久性造成嚴重影響,採用無損檢測技術進行質量檢測和健康診斷,這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作,重討論了聲波法檢測混凝土結構裂縫的基本原理和方法及其特、適用范圍,運用動力有限元數值模擬其檢測過程,探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其化特徵,研究了不同裂縫深度下首波相化規律,得出了反轉臨界與裂縫深度之間的關系,這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術,它是利用聲波穿透被檢測體獲取聲波接收時間,來進行計算機反演成像的技術。
  11. Secondly, we compared the amino acid sequences of ses and constructed the three - dimension structure of sed by homology modeling method. on the basis of results of comparing the amino acid sequences and structure of sed iv with other ses, we chosen the n23, f45, l59, n61, 192 and f203 in sed as mutant residues

    對金葡菌抗原家族的氨基酸序列進行對比分析,首次運用同源建模的方法構建了sed的三維空間結構模型,比較sed與其它腸毒素抗原結構的差異,對可能的活性進行預測,最終確定sed的n23 、 f45 、 l59 、 n6 、 192和f203氨基酸為突
  12. It is importance of the experiment about measuring principal stress combined bending with torsion in mechanics of materials. this paper points out shortcomings in the traditional experimental devices combined bending with torsion and establishes theory and principles for designing superminiaturizational experimental device combined bending with torsion through analyses of stress and strain state at the measured point a ( b ). it also designs the superminiaturizational experimental device, which has smaller space and more precision and has more reasonable structure measurements in this paper

    彎扭組合主應力測定實驗在材料力學實驗中佔有重要的地,作者指出了老式彎扭組合實驗設備的缺,通過對所測a ( b )處應力應狀態分析,確立了設計小型化彎扭組合實驗裝置的理論基礎、設計原則,設計出了體積小,加載簡單,結構尺寸合理,精度高的小型化彎扭組合實驗裝置。
  13. Several amino acid residues of sed have been proved to be important in the interaction between sed and mhc, but the mode of sed binding to mhc is not yet clear. this study is designed to explore the above issues. the main content and results of this study are as follows : firstly, the prokaryotic expression system of sed was constructed

    基於以上問題,我們對sed可能的活性進行預測,構建了一系列抗原sed免疫識別機制的研究sed定體,檢測這些突體的mhc11結合活性和tcrvfi特異性,尋找與tcrv6結合的關鍵,進一步探討sed與mhc和tcr的相互作用方式。
  14. By means of field monitoring the strain in beam slab of partial building floors of a typical super - length prestressed floor slab after a period of their prestressing, the variation of stress with the temperature at different monitoring locations was given

    摘要通過對一典型長預應力樓蓋的部分樓層梁板在施加預應力后一段時間內應的現場監測,給出了不同置測應力和溫度的化曲線。
  15. When the product accumulates beyond an optimal amount it binds to a site ( allosteric site ) on the enzyme, changing the shape so that it can no longer react with its substrate

    當產物積累出最佳數量時,它將與酶的一個氨酰基)結合改其形狀,使其不能長時間與底物發生作用。
  16. The first method is that the structure cannot bear any load because of too many plastic hinges. only using this method cannot accurately reflect the influence of semi - rigid connections on stability. before a plastic hinge is formed at the node with semi - rigid connections, the rotational displacement at this node has been too large

    但僅有這一種判斷方法還不準確,也不能反映半剛性對穩定的影響,因為在半剛性結處形成塑性鉸時其轉角移需發生很大化,事實上這是不可能的,因為在結處形成塑性鉸之前,結構移已經大大過了規范允許值。
  17. As long as f statistical value constructed by sectional regression exceeds the given critical value, structural change happens. the critical value is exactly the structural change point and the study on this point just constitutes the structural change problem. the further study on this problem is accompanied by the development of the unit root and cointegration theory

    Chow提出,只要由分段回歸而構造的f統計量過了給定的臨界值,就認為發生了結構化,而發生結構化的臨界就是結構突,對結構突的研究就構成了結構突問題,結構突問題隨著單根和協整理論的發展而被得到深入研究。
  18. Evaluation of longitudinal segmental myocardial strain and displacement of left ventricle using ultrasound speckle tracking imaging

    聲斑成像技術評價左心室長軸心肌節段應
  19. The article in lead - zinc mineral tailing transmission pumps electric motors automatic control system of huang - shaping, for example, a detailed account of the system frequency conversion governor, ultrasound liquid position controller design models, debugging points and parameters set methods, and energy saving effect of a careful analysis

    摘要文章以黃沙坪鉛鋅礦尾礦輸送泵電動機自動控制系統為實例,詳細介紹了系統中頻調速器、聲波液控制器的設計選型、調試要和參數設定方法,並對節能效果進行了認真分析。
  20. Due to qpm takes on many virtues, and its material is easy to fabricate, qpm technique have been becoming the focus of the frequency conversion. along with the development of qpm theory and the perfection of fabrication method, qpm will show quite exciting application foreground. at home, the national laboratory7 of solid microstructures

    準相匹配技術由於具有上述諸多優,其材料便於人工制備已逐漸成為非線性頻領域的一個熱,隨著人們對準相匹配理論研究的深入和光學晶格制備技術的完善,準相匹配技術將顯示十分誘人的應用前景。
分享友人