soil reaction 中文意思是什麼
soil reaction
解釋
土壤反應-
The abstraction of elements from soil water by plant roots can have a marked effect on chemical reaction rates.
植物根系從土壤水中攝取養分元素能對化學反應速率產生顯著的影響。 -
The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno
研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒，海拔1600m以下出現粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。 -
The regularities of pile - top reaction distribution, the carrying load ratio between pile and raft, the settlement and the imparity settlement of foundation in the frame - tube structure and the single wall are influenced by some factors such as the stiffness of the superstructure, the intensity of the soil under the piles, the length and radius of the piles, the distance between the piles, the thickness and the suspended width of the raft
對豎向荷載作用下的空間筒中筒結構、樁筏基礎和地基進行了三維有限元分析。研究整體結構和單片墻結構在上部結構剛度、樁端土強度、樁長、樁徑、樁距、筏板厚度、筏板外挑寬度等影響因素變化時的樁頂反力分佈規律、樁筏荷載分擔比、樁基沉降和差異沉降規律。 -
On the basis of analysis on the pairwise action of cement paste, nanometer silica fume and clay, the paper proposes the reinforcement mechanism of the cemented soil stabilized with nanometer silica fume. the reinforcement mechanism includes cementation action of cement hydrate, ionic exchange and quadrate reaction of clay particle, pozzolanic effect, filling effect and cementation action of nanometer silica fume
在研究水泥漿?納米硅粉、納米硅粉?粘性土、水泥漿?粘性土相互作用的基礎上，將納米硅粉水泥土的固化機理總結為：水泥水化物的膠結作用、粘土顆粒中的離子交換效應和「二次反應」 、納米硅粉的火山灰效應、納米硅粉的填充效應、納米硅粉的膠結作用。 -
Afterwards, the authour studies the mechanism of cement power - sprayed piles composite foundation from the chemical reaction between cement particle and soil grain
並從水泥顆粒與粘土顆粒之間的化學反應方面，對粉噴樁加固軟土機理作了分析。 -
Laboratory culture experiment with the same treatments as pot experiment but without plant was carried out synchronously under constant temperature ( 25 ? ? ) and 20 % soil moisture. to study the influence of inhibitors on the dynamic process of transformation and variation of availability of cd in soil, laboratory cultured soil was sampled in certain interval during the 128 - day cultured period for the analysis of cd availability and speciation. in adsorption - desorption experiment, the tested soil had fistly been cultured under constant temperature ( 25 1 ) and 20 % soil moisture for two months after the treatment according to the designed plan, then isothermal adsorption - desorption experiment was proceeded when the reaction between inhibitor and soil tended to be stable
石灰施用量對植株吸收鍋有顯著影響，植株各部位鍋含量k ）與石灰添加量… ， ）的關系可以很好地用方程y叫（ ax斗bx化）描述，石灰對植株鍋累積的調控存在一個最佳抑制效應劑量，低於或高於這一劑量均不能達到最佳抑制效果，但對于不同植株部位和不同污染水平，最佳抑制效應劑量不同；低用量下，單位石灰添加量對植株吸收鍋的抑制作用比高用量時大，因此若綜合考慮調控劑的施用成本及其對生物量的影響效應，則在本試驗條件下以施用石灰0 -
A preliminary study on chemical reaction in the process of improvement of alkali - affected soil
石膏改良堿化土壤中所發生的化學反應的初步研究 -
So how to transfer scientifically self - balanced test data into top load curve according to its actual working behavior, become the obstacle of its practical application. in accordance with actual forcing behavior and reaction mechanism between pile and soil, the article analyzes the relation between top part and bottom part, load transferring mechanism and difference with other loading way by ansys program. so the reliability of determine bearing capacity by self - balance method has been proved
本文根據自平衡加載方式下樁身的實際受力狀況、樁土間的相互作用機理以及單樁破壞機理，建立了單樁的離散元模型，採用ansys通用分析軟體，選取合理的單元類型、材料特性等，數值分析了基樁在自平衡加載方式下上下樁段的相互關聯、荷載傳遞機理以及與其它加載方式的區別，論證了採用自平衡試樁法測定單樁極限承載力的可行性。 -
The physiological reaction of c. junos under iron stress in field experiments, c. junos manifested itself as tolerant to iron stress. no chlorosis symptom was not found in its leaves when it was grown in a soil with ph 7. 8. in contrast, severe chlorosis was found in the control plant p. trifoliata grown under the same soil conditions, and leaf chlorophyll content as an indicator for the degree of fe deficiency in p. trifoliata was much lower than in c. junos
主要的研究結果如下： 1 ：鐵脅迫下香橙的生理反應研究香橙在田間實驗中表現耐缺鐵，在ph7 . 8的土壤中生長正常，葉片無任何缺鐵癥狀；但對照植物枳在同樣土壤條件下卻表現出明顯的缺鐵癥狀，作為缺鐵程度指標的葉片葉綠素含量極顯著低於香橙。 -
B 、 analyzing the vibration properties ( mode shape 、 frequency. etc ) of the structure. at first, for examining the influence of soil reaction to structure the analysis was made up of two parts that one is taking account of soil - structure reaction in analysis and the other is the opposition. next, when structure suffer different earthquake shaking the modes of structure is different due to unequal restraint of soil to structure movement
首先，為了考察土體結構的作用對結構的動力特性影響程度，分析了不考慮土體對結構作用和考慮土體對結構作用兩種情況下結構的模態；其次，在不同強度的地震作用下，土體對結構的約束作用大小不同，因此結構在不同強度地震荷載作用下具有不同模態。 -
Meanwhile, dynamic responses at pile head are investigated. it is sh own that the effects of pile slenderness, bearing stiffness of pile toe and the pile - soil modulus ratio on pile impedance are major whereas the ones of the permeability and the soil reaction coefficient are minor
對影響樁振動特性的主要因素進行了分析，結果表明，長徑比、樁土模量比及樁底支承系數對樁的動力響應影響顯著，而滲透系數作為飽和土的一個重要參數，由於荷載作用時間問題，對樁的動力響應影響較小。 -
Thirdly. based on the analysis of the engineering geology, hydrogeology and the dynamic peculiarity of the site soil, and the analysis and caculation of the seismic reaction, it gains the anti - seismic design coefficient and divided the city area into three seperate defence zones. marked a, b, c. finally, it makes a researsh of the seismic effect of the site of the city and makes the suggestions of the land utilizing. dividing the city land into 4 sub - zones
第三在分析研究萊蕪工程地質、水文地質及場地土動力特徵的基礎上對萊蕪市場地地震反應進行了分析計算，得出萊蕪市抗震設計地震參數，並分為a 、 b 、 c三個設防區。最後對場地地震破壞效應進行了研究，對萊蕪市土地利用進行了分區，並提出了合理利用土地建議。 -
Study on the optimum reaction parameters of red soil acid - leaching
紅土酸浸的最佳條件研究 -
According to the feature of base reaction and base settlement, the influence of soil treatment to maximum settlement and differential settlement of foundation as well as internal force of foundation have been computed and analyzed with the finite element method
摘要針對實際工程中基底反力的分佈特點和基礎沉降特徵，用有限元方法，計算分析得出：當地基加固后，筏板下地基呈現中心剛度大，而邊緣剛度小時，可以有效減小差異沉降，繼而減小由於沉降差異而引起的基礎次應力。 -
A series of elastic spring were used to simulate the soil reaction to structure and a equivalent linear iterative approach was used for simulating the soil nonlinear behavior in the finite element analysis in this paper
在有限元分析中，本文採用一系列彈性彈簧單元模擬土作用，通過反復的等效線性迭代過程模擬土對結構的非線性。 2 、進行模態分析。 -
Firstly, behavior and destroying mechanism of pile under inclined loads are systematically discussed based on summary of research on pile under inclined loads home and abroad, and then a power series solution for displacement and stress calculation of pile under inclined loads in layered soils is presented. based on the solution, the calculation of soil reaction force at the flank and bottom of piles, vertical and horizontal displacement of piles and maximal bending moment of piles is concluded
本文首先系統地回顧了國內外傾斜荷載樁研究工作，在此基礎上詳細討論了傾斜荷載下基樁的受力特性和破壞機理，從而導出了處于成層地基中的傾斜荷載樁的內力及位移分析的冪級數解，並以冪級數解的分析結果進一步導出了樁側及樁端土體抗力、樁身豎向及水平位移、樁身最大彎矩的計算方法。 -
Synthetic analysis of soil restraint by prestressed concrete raft foundation reaction
土摩擦阻力對預應力筏板基礎作用效應分析 -
And in coordination with data obtained from an engineering test on site, the regularities of foundation settlement and the distribution properties of pile reaction, soil reaction and steel stress in raft, of the pile - ( thick ) raft tested are analyzed. in the same time, the calculating results with finite element method almost correspond with measured results
另外，通過對一超高層建築樁（厚）筏基礎進行原位實測，取得了比較完備的實測資料，分析了基礎沉降的特點和樁頂反力、樁間土反力和筏板鋼筋應力的分佈特點和規律，同時用有限元法進行了近似計算，與實測結果基本吻合。 -
Based on shear stress - strain relation of soft soil, an approximate solution to the coefficient of subgrade reaction in elastic stage is proposed
在對軟土流變研究的基礎上，採用抗剪強度折減的方法在基坑工程中考慮流變的影響。 -
The authors calculated the reaction spectra of seismic waves that came from the practical soil layer at different depths and, by modifying the practical soil layer parameters and analyzing the spectra of seismic waves in varied depths of the soil layer and the soft interlayers, drew some significant conclusions
摘要在給定基巖地震輸入的情況下計算實際場地土層不同深處的地震反應譜，然後修改實際土層模型參數，在考慮土層厚度和軟弱夾層變化的情況下進行地震反應分析，得出一些有意義的結論。
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