water ratio of soil 中文意思是什麼
water ratio of soil
解釋
土的含水率-
With the development of human society, because of the lack of sustainable utilization consciousness, and the eager for quick success and instant benefit, the black earth suffered excessive cultivation and management, causing the reduction of its recycled ability, decrease in organic content, porosity ratio, fertility dropped and the properties of water retaining and water retention, which make the black soil harden and degenerate seriously
但是隨著人類社會的發展，在缺乏保護和可持續利用意識、急功近利思想影響下，黑土遭到過度墾殖和掠奪式經營，人類對其活動范圍遠遠超過了其再生能力，導致有機質含量減少，肥力下降，孔隙比減小，保水持水能力降低，土壤板結，黑土嚴重退化。 -
2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure
龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重，減少土壤砂粒含量，增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比，以及增加粉粒含量，從而降低土壤分散度，提高土壤團聚性，增加土壤團粒結構數量，改善土壤的透水性，促進良好土壤結構的形成，最終提高土壤的蓄水保肥性能，增強土壤的抗蝕性和抗沖性。 -
Through indoor routine tests, the physical and mechanical natures of intact and remolding soil of muck and mucky soil, in fuzhou, are analyzed in this thesis. the results reveal that water content, void ratio, shear strength of remolding soil samples are lower than those of intact samples. then qualitative analysis on the mineral composition, chemical composition and microstructure characteristic and types of the soft clay is given
本文通過室內常規試驗對福州地區淤泥及淤泥質粘土的原狀土樣和擾動土樣的物理力學性質進行了分析，觀察土樣受擾動后一些物理力學指標的變化情況，發現擾動軟粘土樣的含水量、孔隙比、抗剪強度指標均比原狀土樣低；並從軟粘土的礦物成份、化學成份以及微觀結構特徵和類型上定性地分析。 -
The middle and lower parts of woodland and grassland had higher soil water contents during rainy season, which resulted from smaller evapotranspiration and more infiltrated water with a lower gradient. however, upslope runoff infiltration was another reason for hillslope with a lower cover ratio, such as bare land
雨季林草地坡中下部土壤水分含量較高的原因，可能主要與其蒸散較小且坡度較緩導致入滲水量較多有關；但是對于植被覆蓋度較低的坡地（如裸地） ，坡中下部土壤水分含量較高還與上方來水有較大的關系。 -
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。 -
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。 -
According to the principle of nutrient balance and water requirement in cotton, the sub - model for fertilization and water management was developed by integrating the effects of soil characters, variety traits and yield target. the submodel can make decisions on the suitable total nutrient and water rates and distributions among main growth stages, ratio of organic to inorganic nitrogen, and the ratio of base to topdressing fertilizer
根據平衡施肥原理和棉花水分需求規律，在綜合考慮土壤理化特性、品種遺傳特徵、產量水平等因子影響的基礎上，建立了具有系統性和普適性的棉花肥料及水分運籌動態知識模型，模型可以完成肥料總量需求，有機肥與無機肥的比例、基肥與追肥的比例、追肥施用時間、水分需求總量及其在各個生育時期的分配等。 -
According with the characteristics of pore water seepage and soil deformation, the 1 - d rebound anti - consolidation model is set up. then the anti - consolidation differential coefficient equation is deduced and the corresponding a nalytical solution is obtained. in succession using the above theory, the influence to effective stress area ratio of some factors, such as preloading time, surcharge ' s magnitude and the depth of vertical drain
針對卸載后淺部地基孔隙水滲流和土體變形特性，建立了軟土地基一維回彈吸水固結模型，推導了吸水固結微分方程，並求出了方程的解，同時，給出了回彈變形計算公式。 -
The amount ratio of water vapor transfer contrasting with admixture transfer is related to the value of water content, the water content gradients and the soil category
氣態水遷移量占混合遷移量比例數值與土性、含水量水平和含水量梯度有關。 -
But on the later condition the trend of accumulation turned to be stable in the w3 treatment ( vseawater / v pure water = 1 ) - in root zone soil, variation of sar value accorded with total salt accumulations and sometimes decreased at the treatment where the v seawater / v pure water > 1. contents of cl - and na + which were the main ions and leached obviously in 0 - 60cm soil were greatly influenced by rainfall, but the rainfall did not affected the contents of ca2 +, mg2 + and k + whose ability of leaching is worse than that of cl - and na + in the root zone soil obviously. the vertical distribution of salt ions in the 0 - 60cm soil were mainly affected by the ratio of v seawater / v pure water in the irrigation water on the condition of not enough rainfall, but on the cont
海水灌溉下，耕層土壤中鹽分含量受降雨量影響很大，足夠的降雨條件下，鹽分不會積累，降雨量較低時，鹽分積累明顯，但在50海水處理下趨于平衡狀態；耕層土壤sar值的變化情況和鹽分含量變化情況相一致，在灌溉水中海水濃度大於50時有所下降；土壤中主要鹽離子為cl ~ -和na ~ + ， 0 - 60cm土層內， na ~ + 、 cl ~ -明顯的向土壤底層遷移，其在土壤中的含量受降雨影響顯著，而ca ~ （ 2 + ） 、 mg ~ （ 2 + ）和k ~ +在土壤中遷移能力較低，其含量受降雨影響較小； 0 - 60cm層次土壤鹽分的縱向分佈在降雨量較低的條件下主要受灌溉水中海水濃度的影響，而在降雨充分的條件下，地面覆蓋程度成為重要的影響鹽分和水分脅迫下菊芋的生理響應及其海水灌溉研究因子之一。 -
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。 -
With the people ' s transporting of three gorges area the reclamation ratio of steep slope sloping plantation has increased to 43. 7 %, however, it is a unquestionable fact that the three gorges region ' s slope cultivated land is the major material resource of water and soil loss
42萬ho ，而山地面積占這一區域的74 。隨著移民搬遷，使陡坡地的耕墾率已高達43 7 ，而三峽地區坡耕地是水土流失的主要物質來源己是無可爭議的事實。 -
Then this paper devises experiments to research on the laws of water vapor transfer in unsaturated soil, studies the amount of water vapor transfer under different water contents, different water content gradients, different densities, different transfer time and the difference between loess and sands, studies the ratio of water vapor transfer contrasting with admixture transfer, and which can make us judge the importance of water vapor transfer in unsaturated soils by intuition
進而論文設計試驗研究了非飽和土中氣態水遷移的規律，考查了不同含水量梯度、不同含水量水平、不同密實度、不同遷移時間以及非飽和砂土和黃土這兩種不同土性條件下氣態水遷移量的大小，以及在上述不同條件下氣態水遷移量約占總混合遷移量的比例，使我們可以定性地判斷出非飽和土中氣態水遷移的重要性。 -
The slity soil frost ratio can be predicted through the input parameter of water content, density and freezing speed and the frost ratio is used in railway construction
由含水量、密度和凍結速率三個基本輸入參數，預測粉質土的凍脹率，進而分析對鐵路工程建設的影響。 -
Match ratio tests are done by using cement and fly - ash as curing agent, which include making soft clay with different water content into different mixing ratio cement - stabilised clay, and mixing cement and fly ash to make different cement - fly ash stengthened clay to soft clay with ascertaining water content. afterwards unconfined compression strength is tested at different curing age. the microstructures and mechanisms of cement soil and cement - fly ash soil are studied by mean ", of x - ray and scanning electron microscope ( sem ) technology
採用水泥和粉煤灰為固化劑在室內進行其配合比試驗，對含水量不同的軟粘土製成不同摻入比的水泥土以及對含水量值固定的軟粘土製成水泥、粉煤灰摻入量分別不同的水泥-粉煤灰加固土，並在不同齡期時進行無側限抗壓強度試驗；運用x射線衍射和掃描電子顯微鏡技術，對水泥土及水泥-粉煤灰加固軟土的微觀結構和機理進行分析。 -
The influences of the mixing amount of curing agent and curing age on the unconfined compression strength are discussed by determining the strength. by comparative study, it is concluded that the intensity of stabilized soil is the largest by using the stabilizer composed of 16 % cement mixing ratio and 40 % fly ash mixing amount, and it is reduced with growth of the water content of soft soil and is increased with growth of the cement mixing ratio and curing age
通過測定水泥土及水泥-粉煤灰加固土的無側限抗壓強度，探討固化劑摻量、齡期對抗壓強度的影響；通過對比研究發現，當水泥摻入比為16 ，粉煤灰摻入量為水泥重的40時，加固土的強度最大，並且強度隨著軟土含水量的增加而降低，隨著水泥摻入比、養護齡期的增長，水泥土及水泥-粉煤灰加固土的抗壓強度也隨之增加。 -
The results indicated that cynanchumkomarovii is sensitive to soil water from root to shoot, which apparently become slower and even stopped growing with water stress aggravation and the time of stress increase, but the root - shoot ratio increased. the soluble sugar is primary osmolyte in roots of cynanchum komarovii, which increased markedly with water stress aggravation, while soluble sugar in leaves decrease. the results showed that assimilation of cynanchum komarovii mostly distributed to root
5 、隨著土壤水分脅迫程度的加重，根系中的可溶性糖呈明顯的增加趨勢，葉中的可溶性糖則隨脅迫的加重而呈下降趨勢，說明在乾旱脅迫下牛心樸子的同化產物大部分分配于根系之中；脯氨酸（ pro ）在牛心樸子葉、莖、根的滲透調節中也起著一定的作用，隨土壤水分脅迫的加重，其在根、莖、葉中的積累明顯增加；而無機離子（ k ~ + 、 na ~ + 、 ca ~ （ 2 + ） ）在牛心樸子滲透調節中的作用似乎很小。 -
As part of the nationa1 " 9 ' 5 " key project ( no. f 96 - a23 - 02 - 010 ) on instrumentation supported by the ministry of science & technology ministry this study took the behavior of soil - water - system dielectrics as a key point for further development and evaiuation of a new kind of standing wave ratio ( swr ) soil moistufe measuring system. a series of academic analysis and a lot of experiment research on swr4ased soil moisture sensor were catried out and presented in this paper. on the basis of the research, a new soil moisture sensof, which it is very suitab1e for field use, was developed
本文在國家科技部「九五」儀器儀表攻關項目的資助下（專題號： 96 - a23 - 02 - 010 ） ，以土壤介電特性為研究的鍥入點，對基於駐波率原理（ standingwaveratio ? swr ）的土壤水分快速測量方法做了系統的理論分析和深入的性能分析研究，為研究開發成功swr型土壤水分測量傳感器奠定了基礎，同時研製出與全球定位系統（ gps ）聯合使用的土壤水分空間分佈速測儀樣機。 -
The monitoring hydro - data of 8 sections from fudedian to zhaoquanhe along the main stream of liaohe river are collected and analyzed. the nemero indexes for the water pollution of liaohe river are calculated and illustrated in diagrams. the results show that the principals of the spatial - temporal cod level changes in the main stream of liaohe river. also, two obvious characteristics of cod pollution are found out : the absolute cod level is very high in this river ; the ratio of cod bod is significantly higher than average. and the phenomena are explained in detail in this paper from multiple aspects such as industrial point pollution, soil and water losses, municipal sewage, agricultural water pollution and etc, based on the relationship analysis between cod, ss and water quality parameters
對遼河幹流從福德店到趙圈河8個斷面的水質監測數據進行統計分析，計算得出遼河幹流水體污染的內梅羅指數，並以圖表形式揭示了遼河幹流cod時空變化的規律，總結出了遼河cod污染的兩個主要特點： 1 cod絕對值高2 cod bod相對比值也明顯偏高。通過對cod與ss cod與水質參數的相關性分析，從工業點源水土流失面源城市生活污水及農業用水等方面的污染解釋了上述特點。 -
Through theoretical analysis on the behavior of soil - water - system dielectrics, it is proved that the real parts of the dielectric constant under high frequency or microwave can be used to measure soil water content rapidly this method can get a lot of measurement results with high accuracy and wide applicabiiity in addition, the results are seidom affected by the spatiai variation of soil property as a further application of the above result, a soil moisture sensor based on standing wave ratio was developed
概括起來本文的研究內容主要有以下幾點： 1本文通過對土壤介電特性的理論分析，論證了利用高頻或微波段內的介電常數實部來快速測量土壤含水量是一種靈敏度高、適應面寬、受土壤理化特性空間變異影響較小的快速測量方法。為研製開發基於駐波率原理的swr型土壤水分傳感器奠定了基礎。
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