積土深度 的英文怎麼說
中文拼音 [jītǔshēndù]
積土深度
英文
depth of overburden-
For some wetland plants such as reed and cattail, a small quantity of petroleum pollutants did not form deadly menace, their growing tallness was positive correlated with water deepness. therefore, wetland buffer can be constructed to reduce the impact of petroleum pollution and plant adaptive wetland vegetation so as to improve the environment of oil field
結果顯示：濕地環境對土壤中的石油污染有明顯的降解作用，蘆葦等挺水植物的生長量與積水深度呈正相關，土壤中少量含油並不構成對濕地植物生長的威脅。Chapter 3 and 4 researches soil depurating function and rule to rainwater by soil columniation penetrating examination on the basis of the two former chapters. and it analyses the influence of soil structure, contamination burthen and penetrating deepness to depurating effect, and discusses contaminate cumulation and renewing ability of soil
第三章和第四章在前兩章的基礎上，通過土壤柱滲透試驗，研究了雨水在土壤中的凈化作用及其規律，分析了土壤結構、污染物負荷、滲透深度對土壤凈化效果的影響，並對污染物的累積和土壤凈化能力的恢復進行了探討。Caco3 not only affects soil physical and chemical characteristics but also causes co2 change in the air, because caco3 is main components among the total pool of inorganic carbon of soil. this paper systematically summarized and analyzed general development characteristics of soil profile caco3 in loess hill gully area including source, content, forming - condition, distribution and illuviation - depth of caco3, which will have the most important significance for the further studies on global soil and climate change
碳酸鈣在土壤剖面中淀積的深度和類型是黃土高原土壤發育的重要標志，鈣積層是黃土高原土壤發育環境的歷史信息庫，同時土壤碳酸鈣作為土壤無機碳庫重要組成，它通過溶蝕后再結晶與大氣co _ 2之間進行物質交流來影響全球氣候變化。Based on the research works of predecessor, the theory on the displacement of soil strata in deep foundation excavation construction and its application are studied in detail. by analysing the supervision, statistics from, the practical excavation engineering, soil rheology is thought to be the main reason of the displacement heavy of the soft soil and the destruction of the enclosure structure, in deep foundation excavation construction on condition of the high theriomorphic of enclosure structure and good seepage resitting
本文在已有研究成果的基礎上，對大面積軟土深基坑開挖時土層變位理論及應用進行了探討：依據現場監測數據，推導出開挖時軟土變形的經驗公式，分析了軟土深基開挖在圍護結構剛度大、基坑防滲效果好的條件下，基坑土層變位、圍護結構受力破壞發展的主要原因。Because of the evaporation, dissolved salt is brought to cumulate at the ground surface and the root zone when the ground water is above the critical level. then the saline soil is formed
超過臨界深度的地下水，在蒸發作用下，將鹽分帶至地表或根系分佈層累積下來，形成鹽漬化土壤或鹽土、堿土。On the basis of analyzing infiltration process to different soil and water conservation tillage measures type, a increasing infiltration r ates model for different soil and water conservation tillage measures type by using water balance equation is woke out. 4. accumulation depth and soil crust have a better affect to soil initial stage infiltration rates and a little affect to soil stable infiltration rates
（ 4 ）積水深度和土壤結皮對初始入滲速率影響較大，對穩定入滲速率影響不大，隨著積水深度和結皮厚度的增大，這種情況尤為顯著，如在積水深度為5cm和3cm情況下，穩定入滲速率在黃土高原溝壑區分別為0 . 57mm min和0 . 56mm min ，在黃土丘陵溝壑區分別為0 . 94mm min和0 . 93mm min ，兩者相差甚微。In this paper, the formulas of dynamic parameters provide good method to determine the dynamic parameters, which can reflect the influence of many factors such as the property of soil, the base area of foundation, the pressure of foundation, the exciting frequency and so on
本文得到的地基剛度、參振土質量和動力影響深度的計算公式能較好地反映地基土體性質、基底面積、基底壓力和擾頻等諸多因素對它們的影響，為更準確地確定機器基礎系統的動力參數提供了一種較好的途徑。The retention and accumulation of organic matters, n and p in sediment of wetlands the contents of organic matters and tn ( total nitrogen ) are higher in the layers below 40cm in reed ( phragmites communis ) and wild rice ( zizania latifolia ) wetland sediments, compared with that in the same layers of field soil
有機質、 n 、 p在溝渠濕地底泥中的累積效應蘆葦（ phragmitescommunis ）和茭草（ zizanialatifolia ）濕地底泥對有機質、 tn 、 tp有持留和累積作用。 40cm以下深度的底泥中沉積了遠較農田高的有機質和tn ， tp在蘆葦和茭草濕地底泥中的含量均高於處于相同層次的土壤中的含量。How many pumps were turned on should be based on the dynamic design according to project target. and how many pumps should be in operation in standard shut off procedure. it was approved that although the theoretical boundary of decline of groundwater level is 10m, the actual boundary is only about 6m
提出了一些與真空預壓加固地基設計相關的概念和處理方法，如定義真空預壓加固區場地形狀系數，提出按加固土體體積來確定射流泵數量、根據工程需要動態設計開泵量、增加停泵標準中對開泵量的規定等設計思想等，論證了真空預壓加固地基時地下水位下降的理論極限深度為10m ，而實際極限深度約為6m 。The researches of dynamic behavior and liquefaction potential of saturated sands have been further. however, more and more macroscopic liquefaction phenomena and experimental investigations show that different depositional environments lead to different structure of soils, while the influence of structure property of soils on liquefaction resistance is no less than that of density and consolidation stress and so on. ancient alluvial flat deposits, namely recently deposited soils, are easier liquefaction during earthquake
對於一般飽和砂土的動力特性和液化勢的研究已比較深入，然而，愈益增多的宏觀現象和試驗研究表明，由於土的沉積環境不同而導致土的結構性的差異，而土的結構性對抗液化能力的影響並不亞於密度、固結壓力等因素，古河漫灘堆積物即新近沉積土在地震當中更容易液化。( 4 ) a nonlinear model including the loss of cross - sectional area of corroded rebar, the reduction of mechanical properties of corroded steel and the degradation of the bond strength between concrete and corroded rebar was presented
氯離子擴散系數是一個隨時間、擴散深度和氯離子濃度變化的變量。 （ 4 ）建立了考慮銹蝕鋼筋截面面積減小、力學性能下降以及混凝土與鋼筋之間粘結性能退化的非線性模型。Conclusions as following have got through test study : ( 1 ) when impact compaction technology is applied to treat collapsible loess subgrade, the effect depth may be treated generally can not override 80 cm and impact compaction pass is optimum at 30 times. ( 2 ) for stratified impact compaction of subgrade, when compactness of each level reaches codeslstandards loose laying depth of 80 cm fits 40 impact compaction pass is the optimum combination of subgrade construction. when average compactness in each level reaches codeslstandards loose laying depth of 80 cm fits 30 impact compaction pass is the optimum combination o ( 3 ) the quality control method may request impact compaction pass as the main control index and at the same time the final division settlement is less than 10 % of total settlement as large area subgrade is constructed
通過試驗研究主要得出如下認識：沖擊壓實技術處理濕陷性黃土地基時，其有效處理深度一般不超過80cm ，沖壓遍數以30遍左右為宜；對路基分層沖壓，在要求土體中各點壓實度均達到規范要求時，路基沖壓最佳組合為虛鋪厚度80cm 、沖壓40遍；在只要求土體平均壓實度達到規范要求時，路基沖壓最佳組合為虛鋪厚度80cm 、沖壓30遍；大面積施工時，質量控制方法可按照在以沖壓遍數作為主要控制指標的同時，要求最後10遍分計沉降量小於累計沉降量10 ；在施工單位自己購置沖擊壓實機情況下，與傳統施工相比較，沖擊壓實技術是一種既能節約資金又能大量縮短工期的施工方法。In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.
在混凝土結構的施工及使用過程中，由於受其自身及外界各種因素的影響，常常會產生一些缺陷，對結構物的承載能力和耐久性造成嚴重影響，採用無損檢測技術進行質量檢測和健康診斷，這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作，重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍，運用動力有限元數值模擬其檢測過程，探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵，研究了不同裂縫深度下首波相位變化規律，得出了反轉臨界點與裂縫深度之間的關系，這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術，它是利用聲波穿透被檢測體獲取聲波接收時間，來進行計算機反演成像的技術。2. on the basis of analyzing experimental data for slope land of loess plateau in different slope gradient and rain intensity and soil and water conservation tillage measures, using curve - fitting techniques, a soil infiltration rates model was woke out, the accuracy of the model is tested by a series of experiment data, the result of these indicate that the soil infiltration rates model is accurate and has good stability for slope land of loess plateau. 3. using soil infiltration rates and runoff time and wetting frontal surface depth of soil infiltration reflect effect of factor affecting soil infiltration rates
（ 3 ）採用土壤穩定入滲速率、坡面開始產流時間、土壤濕潤鋒面下滲深度三個指標來反映坡耕地土壤入滲影響（土壤性質、土壤初始含水率、地面坡度、降雨強度、積水深度、水土保持耕作措施等）因素效用大小，建立了各因素與三個指標的關系模型，詳細分析了不同水土保持耕作措施強化土壤入滲的影響，其中等高耕作作用最為顯著，其次是人工掏挖和人工鋤耕。The spiral sheet metal carry the lotus test to be apply in the bearing power test of the deep foundation soil and water table following foundation soil extensively because the ability goes into the surface of earth is following the certain depth area curve carry on test, according to the element that the spiral sheet metal carries the lotus test, through contrast with plate load test, the spiral sheet metal carries the lotus test to be applicable to the shallow storey foundation soil equally, the size of the spiral sheet metal time area concentration diagram is not big to the test result influence, the spiral sheet metal carries the bearing power of the lotus test assurance to no longer carry on the depth area curve redress
摘要螺旋板載荷試驗因能旋入地面以下一定深度進行試驗而廣泛應用於深層地基土及地下水位以下地基土的承載力測試，根據螺旋板載荷試驗的原理，經與平板載荷試驗對比，螺旋板載荷試驗同樣適用於淺層地基土，螺旋板面積的大小對試驗成果影響不大，螺旋板載荷試驗確定的承載力不再進行深度修正。Organic c in the soil profiles were measured as in total and fractionated into microbial biomass - c, water - soluble organic - c, light - fraction organic - c, and heavy - fraction organic - c. the amounts of microbial biomass - c, and water content in soil profiles were consistently analyzed. the aim of this study was to investigate interactions between the accumulation of soil organic c and vegetation successions in the region, in a purpose to improve understanding on how changes in soil conditions affect vegetation successions in the region
通過分析植被演替各個群落（棄耕地先鋒群落、草本群落、灌叢群落、早期森林群落、遼東櫟群落） 0 50cm深度內土壤有機碳、微生物碳、水溶性有機碳、輕組有機碳、重組有機碳的變化規律及相互關系，初步探討了植被正向演替過程中土壤有機碳的積累與變化規律。It indicts that, in the deep & thick soft ground improved by preloading or surcharge loading with sand drain partially penetrating, post - construction settlement mostly results from the dissipation of remained excess pore water pressure and the proportion of compress occurred in under - lying soft layer to total post - construction settlement is becoming larger with the time
而後，結合工程實例，分析了超載預壓時間、超載大小以及豎井處理深度對深厚軟土末打穿豎井地基有效應力面積比r的影響，探討用r作為深厚軟土未打穿豎井超載預壓地基卸載控制標準的可行性。Magnetization is the first step of the technique of the nondestructive defect detection of the wire rope. in order to detect the defect with high efficiency and low costing, use the everlasting magnet to magnetize the wire rope to the deeply saturated condition
磁化是鋼絲繩金屬截面積損失磁檢測技術的第一步，為了有效而低成本地檢測出鋼絲繩的缺陷，應採用稀土永久磁鐵將鋼絲繩磁化到深度飽和狀態。Deep & thick soft clay formed from sea facies sediment extensively distributing near the littoral in southeast china, due to its low shear strength and high compressibility, results in many difficulties in design & construction of groundwork. especially, post - construction settlement control problem has been to be solved desirably
我國東南沿海地區廣泛分佈著海相沉積的深厚軟土，由於深厚軟土的強度低、變形大，給地基基礎工程的設計與施工帶來許多困難；特別是近年來一些大型工程的工后沉降問題，正日益成為巖土工程領域亟待解決的重要課題。Based on the field investigation of the wave and sediment suspension in taihu lake, along with sampling water by layer and analyzing the nutrient concentration change with depth, it was found that the nutrient concentration enhanced suddenly on the bottom. layer indicating the influence of sediment
摘要通過在太湖開展的風浪與底泥懸浮的野外觀測，結合分層採取水樣並分析水體中溶解性營養鹽的濃度隨深度的變化結果，發現在水土界面的上覆水中營養鹽濃度有突然增加的現象，指示著沉積物對上覆水營養鹽濃度有影響。分享友人