根土比 的英文怎麼說

中文拼音 [gēntǔbǐ]
根土比 英文
r/s ratio
  • 根 : Ⅰ名詞1 （植物的營養器官） root （of a plant） 2 （比喻子孫後代） descendants; posterity 3 [數學] ...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. Based on the analysis of mechanism for joint region, the " frame - wall " and " aslope compression stub column " mechanical models and yielding patterns of core zone of the joints are set up. the shear load - carrying formulation for joint core zone is also given in terms of plastic ultimate analysis. and then, the comparisons between the formulas given in this paper and that of chinese design code ( draft ) and nonlinear fem as well are presented

    對節點核心區的抗剪，通過受力機理的分析，建立了鋼「框架剪力墻」加混凝土「斜壓短受力體系及其屈服機制，根據塑性極限分析，給出了節點核心區抗剪承載力計算的迭加公式， 《規程》公式和非線性有限元近似模擬分析結果進行了比較。
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。
  3. The dissertion, after introducing physical geography situation and societal economic sitiuation of chongqing, has also analysed the basic feature of water resources in chongqing, at present the water resources utilization in chongqing is still in traditional phase. there are so many faults and shortcomings in water resources management system. the construction of water resources institutions and regulations is fallen behind. the supply of water resoures has not sufficiently satisfied the demand to water resources. the condition of water quality has not radically improved. soil losses is still serious. the incidence of flood and drought is very high. in accordance with present condition of water resources utilization in chongqing, the dissertion argues that it should strengthen people ' s understanding to water resources sustainable utilization for chongqing ; reform the present water rexources management system and have a try on water affairs management system in chongqing ; make effort to construction of water resources " institutions and regulations ; realize demand management, constuct save - water model society ; according to actual condition, strength water utilization constrution, then realize the balance between water resources supply and demand ; according to the idea of " control resources, conduct flow ", control water pollution, realize sanitary generation ; control soil losses and protect water enviroment ; construc t the system of flood control and diaster prevent

    在對重慶市的自然地理情況和社會經濟情況作了介紹之後，還分析了重慶市水資源的基本特徵，目前重慶市的水資源利用還處在傳統的開發利用階段，水資源管理體制還存在許多弊端，水的法規制度建設也相對落後，水的供給還不能完全滿足需求，水質狀況沒有得到根本性的改善，水土流失還很嚴重，水旱災害發生的頻率比較高。針對重慶市水資源利用的現狀，本文提出：應加強對水資源持續利用的認識；改革目前重慶市的水管理體制，嘗試水務局管理體制，相應加強水的法規和制度建設，實現需水管理，建立節水型社會；根據實際情況，加強水利建設，實現水的供需平衡；依據「控源導流」的思想控制水污染，實現清潔生產；治理水土流失，保護水環境；建設防洪減災體系。
  4. The paper studied tests on three epiboly profiled bar concrete beams, bearing capacity of normal section, stiffness and behavior of cracks, and put forward formulas as advise. based on extant nonlinear concrete theory, a fem model was built by ansys program. the results of fem analysis was verified by tests data. some parameters in fem model were changed to build different models and the analysis results were compared with the advised formulas

    本文通過三根外包型鋼混凝土梁試驗，研究了其正截面承載能力、剛度以及裂縫方面的性質，並提出了一些相關建議公式。同時在現有混凝土非線性分析理論的基礎上，採用ansys有限元分析程序建立了外包型鋼混凝土梁的有限元模型，結合試驗數據對模型進行了驗證，另外還改變了一些參數建立了有限元模型，並和建議公式的結果進行了對比。
  5. This paper, based on the grain - size analysis and the comparative result of the mz - o scatter gram of ancient aeolian sands in milanggouwan section with the modern dunes in mu us desert, holds that fossil eolian dunes are a proxy of the dune activation, and be regarded as " desert process ", while the overlying fluvio - lacustrine and palaeosols on the dunes are regarded as inter - desert process

    文中根據粒度分析及古今砂丘的mz ?散點圖比較結果，認為古代風成砂丘特別是古流動砂丘是砂丘活化的體現，視為「沙漠期」 ，而砂丘上覆的河湖相沉積與古土壤發育則可視為「間沙漠期」 。
  6. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  7. In the third chapter, the ratio of soil evaporation to crop transpiration under different furrow irrigation ways adopted in summer maize field was analyzed by using the measured data in lysimeters

    與固定隔溝灌相比，交替隔溝灌土溝的干濕交替循環不會使根區部分土壤出現長期極度乾燥的情況，因此對作物根系的生長和吸收比較有利。
  8. With the quick development of expressway in the soft soil area, the settlement and deformation of sub - grade of expressway has become a very outstanding question. this paper establishes the corresponding formulas of sub - grade 3 - d ( three - dimension ) settlement on inartificial foundation, bagged sand - drains foundation and semi - rigidity piles foundation, and the calculation results from the formulas is compared with the observation results of settlement. it proves that the methods adopted by the paper are feasible

    本文擬根據馬鞍山?蕪湖高速公路軟土路基的沉降變形及其處理方法，對軟土路基的三維沉降計算和用袋裝砂井處理與粉噴樁半剛性樁處理時的沉降計算方法作一定的探討，同時與幾個路段的實際觀測資料分析比較，認為本文的沉降計算方法總體上是可行的。
  9. Abbas left abu dhabi sunday afternoon after holding talks with uae president sheikh khalifa bin zayed al nahyan and deputy prime minister sheikh hamdan bin zayed al nahyan on the latest developments in the palestinian territories, according to reports by the official emirates news agency

    根據阿聯酋官方新聞通訊社報道：阿巴斯在和阿聯酋總統哈里發和副首相謝赫哈姆丹就阿勒斯坦的邊土問題作了會談之後于周日下午離開阿布希比。
  10. The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame

    根據大量實測溫度場結果建議採用一個有利於理論推導的指數函數的公式來擬和箱梁體內的溫差分佈，既貼近實測數值，計算又比較簡單；通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應力的實測，以及與本文所提出計算方法的理論解進行的分析比較，證實了本文計算方法的正確，同時改進了已往混凝土箱梁溫度自應力的計算方法。
  11. Legume rhizospheres stimulate more growth of rhizobia than do the rhizospheres of nonlegumes or soil apart from the roots.

    豆科植物的根際比非豆科植物的根際或離根土壤更能刺激根瘤菌的生長。
  12. And yet there is not in france, with its rich variety of soil and climate, a blade, a leaf, a root, a sprig, a peppercorn, which will grow to maturity under conditions more certain than those that have produced this horror

    然而在法蘭西，盡管有各種各樣的土壤和氣候，卻沒有一棵草一片葉一道根一條枝一點微不足道的東西的生長成熟條件能比產生了這個怪物的條件更為一成不變的了。
  13. Based on the terszige and biot theory, initially analyze the economical of this experiment, directly save investment 22 % after compute. after that, computing the settlement of highway foundation, comparing the computing and survey value, the predict formula of vacuum - heaped load combining precompression for designing, this formula show that the distortion law of consolidation progress. at the same time, based on the position and room experiment, analyzes the intension transformation in soft soil and criteria of stabilization control

    在太沙基和比奧固結理論的基礎上，先分析了此次試驗的經濟性，經核算直接節約投資22 ，經濟效益十分明顯；隨后對真空堆載聯合預壓法加固軟土路基的沉降量進行了估算，並與實測值作對比分析，得出了真空堆載聯合預壓下的沉降量估算公式，能反映「真空」加固過程的變化規律；同時根據現場和室內試驗，分析了軟土強度的變化，以及給出並驗證了工后沉降控制標準。
  14. And the plasticity of height, crown amplitude, leaves morphology, leaf number, allocation of biomass ( including : lmr, rmr and shoot / root ratio ) and lar were low to soil water for all three species. 5

    而株高、冠幅、葉片形態、葉片數目、生物量在器官間的分配（包括： lmr 、 rmr和根冠比）和lar對土壤水分的可塑性均較小。
  15. After the period of treatments were prolonged for three days, the contain of sugar reduced again. the growth of roots and plants were retarded severely and the ratios of root cap were increased manifestly. the ratios of root - shoot was stability and the growth almost stopped at the later period of peg ( 6000 ) treatment

    牛心樸子根系發達，根冠比大，在土壤水分變化時，植株地上部比較敏感，隨土壤水分脅迫程度的加強和脅迫時間的延長，植株生長顯著變緩，直至停止生長，而根冠比值則有所加大。
  16. On the other hand, a deep - rooted, low - tillering variety has a well - spaced, lateral root distribution and its roots grow more actively in deep soils than those of a shallow - rooted, high - tillering variety

    另一方面，深根、低分蘗品種根系分佈間距適當、側向生長、深層土壤中的根系比淺根、高分蘗品種活力更強。
  17. The production of wheat is increased by 9. 6 % under sewage irrigation ; ( 2 ). dry matter and leaf area index of the wheat is much higher during nourishment growth stage, while dry matter and leaf area index of the wheat under fresh treatment is significant lower during productive growth stage ; ( 3 ). heave metal from swage enriched in the soil stratum in the depth of 0 - 30 cm, and the root length under sewage treatment is larger than that under fresh treatment.

    田間試驗表明，在相同試驗條件下，污水灌溉與清水灌溉相比： （ 1 ）污水灌溉可使冬小麥增產9 . 6 ； （ 2 ）作物地上部干物重和葉面積指數，在營養生長階段清水灌溉比污水灌溉值高，而在生殖生長階段清水灌溉比污水灌溉值明顯降低； （ 3 ）污水中營養物質主要富集在0 30cm土層中，在該土層中污水灌溉的小麥根量比清水灌溉的顯著增多。
  18. Observing the mechanics and effect of the new strengthening method with test and finite element method is supposed to offer a guide for technology and become valuable in theory and practice. both compression test, including four reinforced and three control specimens, and shear - compression test, including nineteen reinforced and four control specimens are being studied in this paper. the research on the curves of load - strain, load - deflection and hysteretic shows that the transverse translation of the reinforced columns is well controlled with an upgrading of both ductility and ultimate bearing capacity ( ubc )

    本文對4根鋼絲網外噴高強砂漿加固鋼筋混凝土柱和3根對比鋼筋混凝土柱進行了軸壓試驗研究，並對19根加固鋼筋混凝土柱和4根對比鋼筋混凝土柱進行了剪壓試驗研究；通過對試件荷載-應變曲線、荷載-撓度曲線和滯回曲線等的研究表明，採用該加固方法能有效的約束柱子橫向變形，並對提高鋼筋混凝土柱的極限承載力和延性有明顯的效果；同時根據理論及加固機理分析提出了適應於此加固方法的軸壓極限承載力計算公式。
  19. The coherence force c and the inner friction angle of composite increase 115 % - 205 % and 11 % ~ 15 % respectively more than that of no rootstalk soil. 3 the mechanism of dealing with corn rootstalks and eight kinds of blades for experiment in the soil bin have been developed in order to investigating the performance of dealing with rootstalks

    土壤-根茬復合體其抗剪強度與剪切面上的法向壓應力成正比，復合體土壤凝聚力c比無根土壤增加115 205 ；內摩擦角增加11 15 。
  20. In order to investigate the effects of cfrp sheets on flexural bearing capacity and stiffness of the beam, test of 18 rc beams retrofitted with cfrp sheets was carried out. 16 beams were retrofitted while they were bearing loads and there were bending cracks on their surfaces. the parameters of the test include the ratio of the rebar, quantities of cfrp and loading procedure

    本文擬通過16根加固梁和兩根對比梁模擬實際構件的加固及受力過程，對持續荷載作用下cfrp加固鋼筋混凝土梁進行抗彎試驗，目的就是為了研究外貼cfrp對梁的承載力和抗彎剛度的影響，為評價服役結構構件的承載力和撓度打下基礎。
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