soil-water relationship 中文意思是什麼

soil-water relationship 解釋
土水關系
  • soil : n 1 泥土,土壤;土質。2 土地,國土。3 滋生地,溫床。4 農業生活,務農。n 1 臟東西,污物,污穢,污...
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • relationship : n. 1. 親戚,親戚關系。2. 關系,聯系。3. 〈委婉語〉男女關系〈指男女之間的曖昧關系〉。
  1. The thesis starts with chinese desertification prevention and cure lav per se and the problems in the relationship of desertification prevention and cure law, water and soil maintenance law, grassland law, forest law, soil administration law and environment protection law, searching out the limitation of chinese desert prevention and cure jurisprudence

    本文針對我國《防沙治沙法》本身以及協調《防沙治沙法》和《水土保持法》 、 《草原法》 、 《森林法》 、 《土地管理法》 、 《環境保護法》等法的關系中存在的問題入手,尋找到我國防沙治沙法律體系中存在的缺陷。
  2. The related reports said the main pollution sources of serious environmental cd, pb and as pollution in china were mining and smelting of nonferrous metals, these pollutants were discharged into the environment and caused the pollution of water, atmosphere, soil and biological species and caused a series of acute and chronic diseases in the exposed people, but the relationship between malignant tumors and environmental cadmium, lead, arsenic pollution is not well understood up to now

    研究認為有色金屬鎘、鉛、砷對人體有毒害作用;有色金屬礦山的開采和冶煉是環境鎘、鉛、砷污染的主要來源;污染物進入環境后,產生水污染、大氣污染、土壤污染和生物污染,繼而危害暴露人群的身體健康,產生一系列急性和慢性病癥。
  3. On the base of var. analysis significance of the experimental treatment, we investigated crop response to water - salt stress regularity, studied the quantity relationship about crop yield and soil water and salt, established a function about them referring to blank and jense water model. conclusions as follows : ( 1 ) the effect of germinating time and rate emergence are different in soil with different salt content, and limited seriously in heavy saline soil

    在方差分析確認試驗處理顯著的基礎上,對作物生理生育指標(株高、莖粗、葉片數、花盤直徑、干物質量、葉水勢、籽實產量)進行統計分析探索作物水鹽響應規律;研究作物產量與土壤水分鹽分聯合作用的定量關系,參照水分的blank加法和jense乘法模型結構,建立作物水鹽響應模型。
  4. Results showed : ( 1 ) if the proportion of water in the soil is lower than wilting coefficient, and if irrigating water is very little, ( irrigating water is spreading horizontally and vertically ) the relationship between the horizontal width ( x ) and the ? rtical depth ( y ) is remarkable. the equation is y - 0. 02 12x2 + l. 8546x - 17. 88. the related coefficient is r = 0. 9350

    結果表明: ( 1 )在土壤含水量低於萎蔫系數的乾燥條件下,進行微量穴滴灌,滴灌點土壤濕潤面直徑x與最大垂直面滲透深度y呈顯著相關,數學模型為: y = - 0 . 0212x ~ 2 + 1 . 8546x - 17 . 88 ,相關系數r = 0 . 9350 ( 2 )在微量補水灌溉情況下,只有灌水量大於4000ml /穴,才能使滴灌水滲透到20cm以下土層,達到作物根系集中層,否則水分很難被作物吸收,造成滴灌水的浪費。
  5. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  6. Relationship between water surface evaporation and phreatic water evaporation when phreatic water buried depth is zero for different soil in tarim river basin

    潛水埋深為零時塔里木盆地不同土質潛水蒸發與水面蒸發關系分析
  7. Ii ) runoff erosivity reflects relationship of water erosion forces and sediment yield more directly than rainfall erosivity. it intergrated ability of runoff volume and flood peak on detaching soil and transporting sediment and is more reasonable than single runoff depth or flood peak volume

    ( 2 )以徑流侵蝕力代替降雨侵蝕力來反映水蝕營力與產沙量的關系更加直接,而且綜合了徑流量與洪峰在剝蝕土壤和搬運泥沙能力,比單獨運用徑流深或洪峰流量更加合理。
  8. Based on abundant rainfall in minjiang river basin and frequent floods have brought great losses on agriculture production, national economy etc, the relationship between soil and water losses and rainfall characteristics was studied in four forest lands, viz

    本文針對閩江流域上游降雨豐富的特點,運用坡面徑流小區法研究了杉木林、封山育林、錐栗林、果園和裸露地(對照)的水土流失與天然降雨的關系。
  9. Based on related data of incidence of local fluoride epidemic and fluorine concentration in soils in china as seen in literature published in china, the relationship between soil environmental quality of fluorine and human health in china was reviewed and analyzed in the present paper, with the results that guideline on soil environmental quality of fluorine in relation to human health, including guideline on total and water soluble fluorine content of soils, as well as the assessing methods for predicting local fluoride epidemic, were established

    摘要根據全國已經報道的地氟病發生率和土壤氟的相關資料,對我國氟的土壤環境質量指標與人體健康關系的研究進行了總結與分析,探討了氟的土壤健康質量指標,包括我國土壤中全氟和水溶態氟的土壤環境質量指標確定和評價方法。
  10. Primary investigation on the relationship between the crop water stress index and the soil moisture

    作物水分脅迫指數與土壤含水量關系探討
  11. The paper introduces and amends the composite indexes of soil erosion intensity and regional soil erosion intensity and conducts quantitative analysis on spatial relationship of types of land use and soil erosion intensity of whole china territory, the middle and lower areas of liaohe river, headwater area of danjiangkou reservoir of south - north water transfer project of hubei part and 4 regions of huidong county in guangdong based on sum up of general study methods of spatial relationship of land use and soil erosion

    摘要在總結土地利用與土壤侵蝕空間關系一般研究方法的基礎上,引入並修正了土壤侵蝕強度綜合指數和區域土壤侵蝕強度綜合指數,時整個中國境內、遼河中下游地區、南水北調丹江口水庫水源區湖北部分和廣東省惠東縣4個區域土地利用類型與土壤侵蝕強度空間關系進行了定量比較分析。
  12. Because these factors make change more often, soil time space variability is more bigger. the relationship of single factor between soil water infiltration capacities and certain influencing factor could be established quantitatively by means of soil water infiltration tests in indoor, there is negative correlation relation between soil water infiltration capacities and soil structure. there is negative correlation relation in high grit content and low physical clay content soil, and second - degree polynomial relation in high physical clay content junk structural soil between soil water infiltration capacities and soil moisture

    由於這些因素在時刻發生變化,使得土壤的時空變異性較大,只能用室內土壤水分入滲試驗來定量確定土壤水分入滲能力與某些影響因素之間的單因子相關關系,土壤水分入滲能力與土壤結構之間呈負相關關系,土壤水分入滲能力與土壤含水量之間在土壤砂粒含量高,物理性粘粒含量低的無結構土壤中呈負相關關系,在物理性粘粒含量高的團粒結構土壤中呈二次多項式關系。
  13. Firstly, the author has researches on basic engineering properties of soil layers in tunneling construction, especially in the relationship between the changes of matric suction ( negative pore water pressure ) and soil strength data. the results have obviously shown on the control of soil strength to matric suction in the different suction

    首先對地鐵隧道施工中環境土層基本工程性質進行了研究,著重研究了基質吸力(負孔隙水壓力)的變化和土的強度參數的關系,研究結果表明:在不同的吸力狀態下,土的強度都不同,土的強度明顯地受吸力控制。
  14. The relationship of soil particle - size distributions and soil water retention characteristics, saturated and unsaturated hydraulic conductivity were studied in the lab

    本研究對陜西四種不同質地土壤的粒徑分佈與水分特徵曲線及飽和、非飽和導水率的關系進行了研究。
  15. It can reflect soil water stress and salt stress. ( 6 ) choosing soil solution relative concentration as suitable variable established a funct - ion about crop relative yield, soil water and salt. using the way of testing model with actual data to valid its higher precision, it can reflect the relationship of crop yield, soil water and salt, and be considered as reference in water saving irrigation management

    ( 6 )選取試驗條件下的適宜自變量-土壤溶液相對濃度建立作物相對產量與土壤水分鹽分水鹽響應模型,通過實測資料檢驗確認模型具有較高的精度,可以較準確地揭示作物產量與土壤水分鹽分的量化關系,為含鹽土壤的節水灌溉研究提供了一定的基礎研究,可供灌溉規劃管理參考。
  16. In research much importance was attached to the study of dry land and the physical, chemical and biologic properties of water land, but the relationship between soil microbes and soil fertility in the paddy field of long - term no - tillage and ridge culture was relatively ignored, so this experiment was conducted for further study

    縱觀國內外的研究概況,對旱地的研究比較多,對水田的物理、化學和生物性狀也有研究,但是,對稻田長期壟作免耕條件下的土壤微生物和肥力的關系的研究尚鮮見報道,因而著手于這方面的研究。
  17. The unconfined compressive strength, shearing strength and permeabi lity of stabilized soils were tested in laboratory, the strength of contaminated composite soils sampled with different ph and soaped in corresponding ph were compared. the results from experiments indicate that there exists a certain relationship between the soft soil properties and the unconfined compressive of grouted soil. with the increase of water content, porosity ratio, degree of porosity, plasticity limit, liquid limit and liquid index, the compressive strength of cement - sodium silicate - stabilized soil decreases, while increases as the bulk weight and compressibility modulus

    通過對水泥?水玻璃加固土的無側限抗壓強度試驗,以及用不同酸堿性水製成與養護的固結土所進行強度對比試驗,得出軟土的物理力學性質指標與加固土的抗壓強度之間存在一定的相關關系,即隨著含水量、孔隙比、孔隙度、液塑限及液性指數的增加,水泥?水玻璃加固土的抗壓強度相應地降低;而隨著原狀土的容重、壓縮模量的增加,水泥土的抗壓強度也隨之增加。
  18. Moreover, there are good fitted power function relationship between thermal conductivity and soil water content, soil water suction and salt concentration. meanwhile, based on the measured data of soil water content and soil temperature distribution under temperature - controlled conditions, according to philip ' s empirical equation, through difference method, the water diffusivity under temperature gradient was calculated, which can be expressed as a power function of temperature

    此外,研究表明,導熱率與土壤含水率、土壤水吸力、含鹽濃度之間均存在良好的冪函數關系;在取得一定溫控條件下的土壤水分與溫度分佈實測資料的基礎上,根據philip經驗方程,通過差分法計算得出溫差作用下的水分擴散率,該參數可表示為溫度的冪函數形式。
  19. And the contribute of water pressure to soil pressure is oversized. 3. studying the wall level displacement ( supposed as s ) and corresponding excavation depth ( supposed as a ) in different work condition, the relationship is s = 0. 0 1aht

    該經驗關系適用於軟土地層且基坑的開挖深度與墻體深度的比值a小於等於0 . 5的情況。
  20. The relationship between relative evapotranspiration and leaf area index and surface soil water content in winter wheat field of north china plain

    華北平原冬小麥相對蒸散與葉面積指數及表層土壤含水量的關系
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