field strain 中文意思是什麼

field strain 解釋
野生株
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • strain : vt 1 用力拉，拉緊，抽緊，扯緊。2 使緊張；盡量使用（肌肉等）。3 強迫，強制；濫用，盡量利用。4 拉傷...
  1. In the research field of food preservation, an intense interest for scientists is focused on the isolation of antimicrobial substances from microbial metabolites. natural biopreservatives derived from traditional fermented foods are generally recognized as safe. in this paper, one strain screened for its safety and broad antimicrobial spectrum and its antimicrobial substance - - bacteriocin are studied in detail

    本文從傳統的發酵食品中篩選出一株安全、具有廣譜抗菌活性的芽孢桿菌，並對其抗菌活性物質細菌素進行分析，為微生物天然生物防腐劑的開發以及在食品中的應用提供理論依據。
  2. Influence of strain joint on mining in daping mine field

    淺談大平井田張性節理的特點及對開採的影響
  3. A new technology intensified by magnetic field for leaching of granitoid weathing crust strain amass - type rare earth ores

    風化殼淋積型稀土礦磁場強化浸出工藝
  4. This paper has studied the development of setting & model of the overthrust, which is distributed over the plane & section, and its belting character in the northern margin region of chaidamu basin, and described the character of the main overthrust sheet belt and lower strain area in great details. moreover, it has pointed out a best target for oil / gas exploration on the imbricate fan belt and hidden overthrust forward belt through surveying the developing evolution model and its formation mechanism of the overthrust in the field and structure inversion indoor 6figs., 8refs

    研究了柴北緣地區逆沖推覆構造的發育背景、發育模式，平面、剖面展布特徵及其分帶性，並對主幹逆沖斷裂帶及其間的推覆體帶、逆沖席帶和低應變區的特徵進行了詳細描述，同時通過野外觀察和室內構造反演來研究推覆構造的發展演變模式及其形成機理，指出其逆沖疊瓦扇帶和隱伏逆沖前緣帶是最有利的油氣勘探目標.圖6 ，參8
  5. Having analyzed preliminarily formation mechanism of these common characteristics of anomaly, it concludes that : these are results, controlled by basically united tectonic stress field of large - range, caused by stress - strain accumulation and certain phase strong earthquakes, according to deformation difference brought about in tectonic position along the boundary zone and within second - order faults of active blocks resulted from unstable and inharmonious features for movement of block system at different levels and deformation of boundary

    分析這些異常共性特徵的形成機制，初步認為：是在基本統一的大區域構造應力場控制下，不同層次塊體系統運動及其邊界帶變形的非平穩、非協調性，在活動地塊邊界地帶和地塊內部次級斷裂構造部位產生變形差異而導致應力-應變積累、孕育強震到一定階段的結果。
  6. Based on the generalized variational principle of the modificatory variables and substituent shearing strain field interpolation of the bending theory of the mindilin plate, this paper brings up the nine - node mixed plate bending element and adopts the sap2000 ? a large - scale finite element analysis programs. by the examples, we find the precision of the method is satisfying

    在對轉換層厚板進行局部有限元分析時，本文提出了基於mindlin中厚板彎曲理論的修正的二類變量廣義變分原理和替代剪應變場插值方法的九節點厚薄板通用的板彎曲單元，並採用了sap2000有限元程序。
  7. 3d morphing using strain field interpolation

    使用應變場插值的三維圖形漸變
  8. Avian encephalomyelitis virus ( aev ) is a picornavirus with a predilection for the central nervous system and other parenchymous organs of chickens that is transmited by the oral - faecal route. the virus may be spread by the vertical and horizontalroutes, and because of its great stability, contaminated areas may remain infectious for long periods. the egg - adapted van roekel strain is highly neurotropic and does not grow efficiently in the enteric tract of the chicken, and the field isolates of aev is usually enterotropic. despite this. the virion polypeptides of both naturally - occurring strains and the van roekel strain are antigenically identical

    侵害雞的中樞神經系統和其它實質性器官，該病毒通過口-糞途徑傳播，具有水平和垂直傳播的能力。由於它極大的穩定性，被污染的區域可能長期保持傳染性。雞胚適應株vanroekel是高度嗜神經的，並且在雞的腸道內不能有效的生長，而野毒株卻是嗜腸道型的。
  9. In this paper, a field strain of infectious bronchitis virus was isolated from proventriculus tissue, morphological observation by electron - microscope and the biological characterizations of the virus were studied, pairs of specific primers are designed and synthesized in correspondence with them, according to the published sequences of infectious bronchitis virus three structural protein ( spike protein s membrane protein m nucleocapsid protein n ) genes, the cdna of si gene, s2 gene, m gene. n gene of ib v isolate lx4 were amplified by rt - pcr and full sequences were first reported

    在此基礎上，根據國內外已發表的ibv基因序列，分別設計特異性引物，應用不同引物進行反轉錄合成cdna ，分片段對ibv的主要結構基因進行pcr擴增，並分別將各個目的片段克隆到puc19載體上，在大腸桿菌dh5中實現目的基因的分子克隆，經藍白斑篩選、限制性內切酶分析、 pcr鑒定，篩選出重組陽性質粒，並對各個目的基因片段進行序列測定，從而獲得ibv主要結構基因全序列。
  10. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬流動的特點，並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度（底部高度）與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析，獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線，同時對油泵定子成形過程的影響因素等進行了分析，優化並獲得了合理的溫擠成形工藝及模具參數。最後，利用模擬優化獲得的各項工藝參數進行生產實驗，得到實際生產出的合格油泵定子件，並將模擬結果與生產實驗結果進行比較。
  11. Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed

    本文緊密結合溪洛渡水電工程大跨度、高邊墻復雜地下廠房洞室群，施工開挖過程中和開挖后圍巖穩定性研究這一重大課題，在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上，以目前國際工程地質界公認的最新通用軟體flac ~ （ 3d ） 2 . 0版作為基本計算工具，從整個壩區地應力場的研究開始，通過動態數值模擬分析這一新的模擬思路，系統地研究了深切峽谷區地應力場多階段的特徵和演變規律，進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變形場和塑性破壞區的變化特徵，進行了全過程動態數值模擬研究，並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。
  12. Abstract : the numerical simulation of the rheological warm extrusion molding of the missile shell, a kind of aluminum alloy part, has been carried out, including the simulation of metal flow in the mold cave, velocity field, stress field, strain field, temperature field, and nodal force etc

    文摘:對鋁合金零件彈托在溫擠條件下的流變成形過程進行了數值模擬，其中包括對金屬在模具型腔中的流動情況、速度場、應力場、應變場、溫度場、節點力等的數值模擬。
  13. And that, the variable regulations of stress field, strain field and plastic failure zones in the surrounding rock mass of the underground cavities are summarized for the right and the left bank of underground chambers

    全面總結了溪洛渡水電站左、右岸地下廠房洞室群圍巖應力，變形和破壞區的分佈特徵和變化規律，為洞室群穩定性評價和工程施工設計提供了基礎資料和理論依據。
  14. And the variation characteristics of stress field, strain field and plastic failure zones in the surrounding rock mass of the underground cavities are summarized, which provides basic information and reference for the evaluation of underground cavities stability and project construction

    總結了地下洞室群圍巖應力、變形和破壞區的分佈特徵和變化規律，為洞室群穩定性評價和工程施工設計提供了基礎資料和參考依據。
  15. The stress field, strain field and energy formula have been established as the base of 3d fem simulation of nc tube bending process. a 3d fem simulation program of nc tube bending is developed based on the ansys software platform, and some key techniques have been studied. used this program as a core, nctbs system which combines with cad / cae / capp / cam subsystems on the database is developed

    基於ansys軟體編制了數控彎管三維有限元數值模擬程序，對其中的關鍵技術問題作了處理；以此程序為核心，基於數據庫技術自主設計開發了數控彎管模擬系統（ nctbs ） ，集成了數控彎管cad / capp / cae / cam子系統，通過考核驗證了系統的可靠性，實現了廣義的計算機輔助數控彎管工藝設計和質量保證系統。
  16. Based on the simplified structure of rock mass, flac ( superscript 3d ) numerical modeling technique is used to systematically analyze the distribution features of the secondary stress field, strain field and plastic zones in the surrounding rock mass of the underground cavities after the excavation

    摘要在巖體結構模型概化的基礎上，採用flac （上標3d ）數值分析方法，系統研究了瀾滄江某大型水電站大跨度、高邊墻地下洞室群開挖完成後圍巖的二次應力場、變形場和塑性破壞區的變化特徵。
  17. ( 4 ) according to the new methods of dynamic numerical simulation analysis and resting on the engineering geological conditions of surrounding rock mass and the project design, the three numerical simulation results are obtained, from which the author analyze systematically the distribution features of stress field, strain field and plastic zone in the surrounding rock mass of the underground cavities after the excavation and also the variable features of stress field, strain field and plastic failure zones in the surrounding rock mass of the underground cavities in the course of excavation

    （ 4 ）按照動態數值模擬新思路，以地下洞室群圍巖的工程地質條件和工程設計方案為依據，系統研究了大跨度、高邊墻地下洞室群開挖完成後圍巖的二次應力場、變形場和塑性破壞區的分佈特徵，開挖過程中圍巖的應力場、變形場和塑性破壞區的變化特徵。
  18. These results showed that the three isolates were infectious bursal disease virus. the full - length cdna of the genomic segment a of two viruses, one virulent field strain ibdv zj2000 and one attenuated strains ibdv jd1, were amplified in a single step procedure by long - accurate reverse - transcription polymerase chain reaction ( la - pcr ), cloned into pgem - t easy vector, and sequenced

    分別以傳染性法氏囊病病毒zj2000株（野毒株）和jd1株（弱毒株）基因組dsrna為模板，採用long - accuratert - pcr （ la - pcr ）一步法擴增並克隆了兩株病毒的基因組a節段全長cdna 。
  19. In our experimentation, we combine fiber bragg grating with tb - dy - fe single crystal, we can measure the current which produces the magnetic field when we measure the shift of bragg wavelength because of magnetostrictive strain of tb - dy - fe single crystal in magnetic field, we also study the relation between bias field, strain of current sensor

    本實驗將光纖布拉格光柵與tb - dy - fe結合起來，利用tb - dy - fe在磁場下的伸縮引起布拉格波長的改變，來測量產生磁場的待測電流的大小。在實驗中我們還研究了偏場，預應力與傳感器的關系，在這個過程中我們找到了與傳感器有關的最佳設計參數。
  20. 3. with the consider of one mgo concrete arch dam in guangdong province, its construct course was simulated and its thermal field, autogenous volume expansion field, strain field, stress field and displacement field were also analyzed. at the same time, the simulated analysis theory and accuracy and rationality of the program were validated in comparison with the prototype observation data

    3 、結合廣東某外摻mgo混凝土拱壩，對其施工過程進行了模擬，完成了壩體的溫度場、自生體積膨脹場、應變場、應力場及位移場的實時模擬分析，同時結合原型觀測資料的分析，對模擬分析成果進行了驗證。
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