recent soil 中文意思是什麼
recent soil
解釋
新生土-
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。 -
Scientific investigation of soil release from textile structures has greatly proliferated in recent years.
紡織品結構上去除污垢的科學研究工作，近年來有很大發展。 -
The important roles of springtails in the soil ecosystem, their potential values in the ecological practices and the recent advances and prospects are introduced in the present paper
本文介紹了跳蟲在土壤生態系統的作用、生態學應用價值以及研究的現狀和展望。 -
In the recent years, along with the construction of breasting dolphin, people put more and more attention to the interactional relation between laterally loaded piles and soil. but there is no domestic criterion about calculational methods of breasting dolphin
50年代前，樁只作為承受軸向力的構件，隨著鋼樁在實際工程中的應用，樁的水平承載性能越來越引起人們的重視，尤其是柔性靠船樁在大變位情況時，國內尚無針對這種結構的設計、施工規程。 -
In recent years, during construction of railway in the southwest mountain area, we encountered the soft and weak soil that distributes on the slope and is similar with physical mechanical index of soft soil of marine deposit, lake deposit, etc., but different in cause of formation, scope of distribution, composition of mass and others characteristics. to emphasize its characteristics of distribution, we call it as " soft soil on the slope "
近幾年，在我國西南山區鐵路建設中，常遇到一種分佈在斜坡上的軟弱土，它與海相、湖相等沉積的軟土物理力學指標相似，但在形成原因、分佈范圍、物質組成及其它特性上又有所區別，為強調其分佈特徵，我們稱其為「斜坡軟土」 。 -
The results show that the planes are widely distributed and lie concealed, being the deformation traces left over by the seismological fault in the soil mass and in direct response to the recent tectonic activities, whice greatly influences on the stability of the soil mass as a part of the infrastructural subgrade
結果表明：土體構造結構面分佈廣泛且具隱伏性，是發震斷裂在土體中留下的變形形跡，是近期構造活動最直接的反映，對工程地基土體的穩定性有重要影響。 -
Recent development of hillslope soil erosion models
坡面水蝕模型研究進展 -
The following results of recent researches were presented on measuring stiffness of a wide range of soils such as clay, sand and gravel, characterizing anisotropic properties of soil induced by external loading, measuring stiffness of base and subgrade materials in the pavement, determining soil properties in a centrifuge model during the flight of a centrifuge, and understanding wave propagation in granular materials under micro - gravity environment with this technique
木文報道了壓電陶瓷傳感器應用於粘土、砂和礫石等不同種類土的研究成果，對應力導致土體各向異性的研究，對路基和地基土的力學特性檢測，在離心模型試驗中的應用，以及在微重力環境下的粒狀材料中波的傳播特性的研究等。 -
Though scholars at home and abroad had made corresponding research during the last century and at the same time they had made great achievements, most of them confine themselves to the research on perfect pile buckling, not considering the influence of many special situations such as the initial bend, the defects in construction and the layered soil, etc. . the reliability design has not been advanced according to the design method of probability theory until recent years
基樁的屈曲分析是一個相當復雜而又具有實際工程意義的課題，其影響因素繁多。盡管國內外學者上世紀就已有相應的探討，取得了許多研究成果，但大多局限於對基樁本身的屈曲研究，而未考慮基樁本身的初始彎曲、施工缺陷和土體分層等諸多特殊情況的影響。 -
On the basis of some research findings in recent years, the paper summarizes characteristics and causes of greenhouse soil salinization, and its effects on soil properties, including physical and chemical properties and microorganisms as well
本文根據近年來的相關研究進展，綜述了設施土壤次生鹽漬化的基本特徵、形成原因及其影響因素，並闡述了設施土壤次生鹽漬化對土壤理化性質以及土壤微生物狀況的影響。 -
Progress of nuclide tracing technique in the study of soil erosion in recent decade
近十年來核素示蹤技術在土壤侵蝕研究中的應用進展 -
As the climate has become dry, and dust storms and dust - fall occurred frequently in whole weihe valley, the recent loess ( l0 ) has beg un to accumulate and gradually covered the mid - holocene soil ( s0 )
在3100abp ，由於季風格局的突變，整個渭河流域進入了一個相對乾旱缺雨、成壤環境的惡化時期。 -
Recent no - tillage and ridge culture commenced in the united states in the 1930s. it was developed to prevent the erosion of water and soil and to avoid the wind and water erosion. not until the atrazine herbicide was invented and successfully used in the 1960s was the nt technique succeeded and spread
近代的免耕始於20世紀30年代的美國，為了防治水土流失，防止風蝕和水蝕而發展起來的，到60年代，阿特拉津除草劑的發明利用，才使免（少）耕法得以成功應用和推廣。 -
Catastrophic damages to structure can be made by lateral permanent displacement, namely large ground displacement, on gently sloping ground induced by liquefaction of saturated soil deposits during earthquake, which is the main type of seismic damages of highways, railways, bridges, docks, embankments, buildings, underground structures and lifeline engineering in liquefied area. in recent ten years, studies on the new type of failure made by liquefaction have been carried out
地震過程中由於飽和砂土液化誘發的小坡度地面側向永久位移即地面大位移對結構的破壞，是液化區公路、鐵路、橋梁、碼頭、堤壩、房屋、地下結構與生命線工程震害的主要形式之一，近十幾年來，人們越來越重視對這種新的液化破壞形式的研究。 -
For the properties of large thickness, high strength of the landslide mass and the obvious deep deformation in the recent days, based on the coulomb law, the author puts forward a primary control plan in this paper of adopting the rock and soil reinforcement to prevent the deep sliding of the landslide
針對該滑坡厚度巨大，滑體強度高，近期深部變形較明顯的實情，作者以庫侖定律為基礎，提出採用巖土加固治理滑坡區深部滑移的初步治理方案。 -
Channel - steel - pile composite soil nailing ( ccsn ) is a new bracing structure of foundation pit, which was developed by cai changbin in 2000. in recent years, ccsn has been used widely in the region of wenzhou, taizhou. . etc, and has obtained good economic performance and social performance
錨管樁復合土釘支護是蔡昌斌開發的一種新型基坑支護形式，近年來已在溫州、臺州等地區得到廣泛應用，取得了良好的經濟效益和社會效益。 -
A general review of recent development and application of the technology of remote - sensing in monitoring soil moisture was done with emphasis on introducing the relatively mature and extensively used feature space method and microwave remote - sensing method based on visible light and thermal infrared bands
摘要對于近年來國內外遙感監測土壤水分的理論、方法的發展和應用進行了全面的回顧，重點介紹了目前已經比較成熟和廣泛應用的基於可見光與熱紅外波段的特徵空間方法和微波遙感方法。 -
In the recent past, this project has undertaken soil management and fertilizer application in poverty counties
同時，在全國形成了一個強有力的土壤肥力和肥料研究協作網路。 -
Even though most variety selection aspects of breeding programmes are made under high soil fertility levels, investigations into the nutrition of the crop in recent times, are largely left in the hands of the fertilizer producers, although national and state soil fertility and crop nutrition programmes were conducted by csiro and the state departments of agriculture in the past
目前大部分育種項目的品種選擇著眼點是基於高土壤肥力水平，對作物營養的調查很大程度上由肥料商來完成，盡管過去全國和州的土壤肥力和作物營養項目是由聯邦科學和工業研究組織和州農業署進行的。 -
In recent years, such problems as the extension and application of on - film irrigation, reclamation of salinized soils, and prevention of secondary salinization have made it important to study coupled movement of soil water, salt and heat transfer under plastic mulch in arid and semi - arid areas
近年來覆膜灌溉的推廣應用、鹽堿地開發和改良以及土壤次生鹽堿化防治等問題使得研究西北乾旱-半乾旱地區覆膜條件下土壤水、鹽、熱耦合遷移規律成為重要課題。
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