field practice 中文意思是什麼

field practice 解釋
大田操作
  • 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...
  • practice : n 1 實行，實踐，實施；實際；實用；做法，技術。2 習慣，慣例，常規。3 練習，演習，實習，實驗；老練...
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. The experiment was conducted in a 2. 4 ha isolated field mimic rice production practice with pollen competition. a japonica gm rice l201 containing bar gene with herbicide basta resistance was used as a pollen donor and six indica hybrid rice varieties and its male sterile ( ms ) lines and two common wild rice ( oryza rufipogon and o. nivara ) that share same aa genome with cultivated rice were used as recipients

    本試驗選擇廣州作為華南水稻生態區的代表，以含bar基因（抗除草劑basta ）的轉基因粳稻l201為花粉供體，模擬大田生產實際，對轉基因向秈型兩系及三系雜交稻不育系、雜交稻品種及含aa基因組的普通野生稻的基因漂流及其影響因素進行了研究。
  3. It is usually good practice to cull the poorest prior to field planting.

    通常在實踐上的好方法是在出圃栽植前挑出最弱的苗木。
  4. Standard practice for the determination of lead in paint, settled dust, soil and air particulate by field - portable electroanalysis

    用場移動式電解分析測定塗料中的鉛沉降塵埃土壤和空氣粒子的標準規程
  5. The most challenging field in environmental engineering practice at the present time is the treatment and disposal of industrial wastes.

    在現今工程環境實踐中，最引人注目的領域大概是工業廢物的處理和處置。
  6. Standard practice for field procedure for constant drawdown tests in flowing wells for determining hydraulic properties of aquifer systems

    用於測定含水層系統水硬性的流動井中恆定水位下降試驗現場程序的標準實施規程
  7. A preliminary study on reformation of the current model and content of physical geography field practice in lushan aera

    廬山自然地理野外實習模式與內容的改革初探
  8. Abstract : by analyzing the double meaning of the effect mechanism of water on the oxida tion and spontaneous combustion of residual coal in goaf, and through investigat ion of the results both in laboratory and field practice, it is confirmed that w ater pouring, which is suggested by authors, is a new, economic, efficient and e asy ? to ? operate measure for controlling the spontaneous combustion of the resid ua l coal in goaf

    文摘:通過對水在采空區遺煤氧化及自燃的作用機理兩重性的分析以及實驗室試驗與現場應用實際效果研究，證實了筆者提出的清水灌注措施是一種新的、經濟有效的、操作簡便的防治采空區遺煤自燃的技術措施。
  9. The research results of this kind of transplanter in the paper are very important for the design and application in field practice

    本文的研究結果對于撓性圓盤式移栽機的設計和使用具有重要的指導意義。
  10. Therefore, we can use the advantage condition of typical hydrogeologic phenomena and convenient transportation, three hydrogeologic road trips for field practice have been established in the outskirt of beijing. the effect is very great to the teaching of field practice of hydrogeology

    為此，我們充分利用北京市郊區典型的水文地質現象和交通便利的條件，建立了3條野外水文地質認識實習路線，大大提高了「水文地質學」的實踐教學效果。
  11. Site selection for engineering geology field practice

    工程地質野外實習地點選擇
  12. The actual field practice has shown that it can improve the cementing quality of adjustment wells apparently to control dynamic interferes of formation factors, to use the temporary plugged screen, to adjust the mud property, and to optimize cementing project

    現場實際施工表明：控制地層因素動態干擾、使用屏蔽暫堵技術、調整泥漿性能、優化固井設計等可以明顯提高調整井固井質量。
  13. Thoughts on field practice of ideological and moral cultivation

    關于加強思想道德修養課實踐教育的思考
  14. Field practice is an important step for hydrogeologic training

    摘要野外實踐是水文地質專業能力培養的重要的教學環節。
  15. With the field practice of the infrared image processor, this scheme has achieved a satisfactory result

    通過實踐表明，該方案取得了較為滿意的結果。
  16. The field practice mainly focused on the plots with frequent and serious pest occurrence, where half of the seedlings have died away

    實習主要集中在病蟲害比較嚴重的地塊里，那裡半數的秧苗已經枯死。
  17. By means of numerical simulation, theoretical analysis and field practice, bolt - grouting supporting technology of heavily stressed weak - rock roadway in deep ground is studied wholly and systematically

    本文通過數值模擬、理論分析和現場應用相結合的手段，對深部高應力軟巖巷道錨注支護技術進行了全面系統地分析和研究。
  18. The training focused on field production practices, seed potato harvest and storage, irrigation management, pest identification, prevention and control, canadian potato certification and marketing of commodity potatoes and seed potatoes. it combined lectures and field practice together, enabling the trainees to systematically master the knowledge imparted to them

    培訓主要針對田間生產實踐，種薯收獲和儲藏，灌溉管理，病蟲害辨別和防治，加拿大馬鈴薯認證，商品薯和種薯的市場營銷等內容展開，採取課堂講授和田間實習相結合的培訓方式，使得學員能夠系統掌握所傳授的知識。
  19. On august 28th, the trainees went to haotaishan town, where pest occurrence was frequent and serious, to conduct field practice under the suggestions of the local agriculture bureau

    8月28日，在當地農業局的建議下，學員們到病蟲害發生比較嚴重的耗賴山鄉做田間實習。
  20. At the same time, the paper analyses its affecting factor and degree, and it " s feasibility and rightness were tested by field practice

    通過室內試驗求出了改進應力恢復法的關鍵系數應力等效系數，並運用數值模擬進行檢驗，同時分析了其影響因素及影響程度。
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