試驗段密度 的英文怎麼說

中文拼音 [shìyànduàn]
試驗段密度 英文
working density
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 試驗 : trial; experiment; test
  1. After spraying the herbicide, the results with time show that no obvious quantitative difference occurred in benthic species composition, biomass, inhabit density and the coherent variation trend between experimental zone and controlled zone

    藥物噴灑后不同時調查結果表明:區與對照區的底棲生物種類組成、生物量、棲息同步對比數量相差不明顯,其隨時間變化的趨勢亦呈現總體一致。
  2. Though much progress has been achieved in previous study, there still remains a lot to be studied and perfected. the thesis is devoted to study on the multi - ribbed slab wall, the main bearing member in mrss, including its mechanism, failure mode, aseismic capability, mechanical models, ultimate bearing capacity and aseismic design based on control. the paper mainly accomplished such work as follows : 1 ) based on test research on multi - ribbed slab wall, the paper proposed the member ' s failure modes under horizontal loads, analyzed the co - performance between the inner frame and the infilled silica bricks and that between the slab and the outer frame, discussed the wall ' s bearing capacity, rigidity, deformation, ductility and energy dissipation ability in different modes, and put forward a simplified mechanical model of the slab wall under vertical loads

    本文針對肋壁板結構的主要受力構件? ?肋復合墻體為研究對象,就其受力機理、破壞模式、抗震性能、三階力學模型、極限承載能力以及基於控制的抗震設計方法等進行了較為詳細的研究,完成的主要工作有: 1 )通過對肋復合墻體在水平低周反復荷載和單調荷載作用下的研究,提出了墻體的主要破壞模式;分析了框格與內部填充砌塊、墻板與外框的共同工作的受力特點;探討了不同破壞模式情況下墻體的承載能力、剛、變形、延性、耗能等抗震性能,並給出了豎向荷載作用下肋復合墻體的簡化力學模型。
  3. Based on the foundation " liquefaction test study on the rapid railroad bed " supported by the railway department, some works on the liquefaction of silty soils have been carried out. in this dissertation, after making a short review of the works on seismically induced soil liquefaction, some research results are presented, which include the following contents. ( 1 ) depending on the dynamic triaxial test, the liquefaction strength of the silty soils is studied and two new models are proposed to evaluate the pore water pressure and the strain of the saturated silty soils during earthquake

    結合鐵道部發展基金項目: 「高速鐵道液化土地基研究」 ,本論文概括總結了地震液化的研究現狀,就滬蓉高速鐵路徐州可液化場地粉土地基的液化特性問題開展了一些研究工作,內容如下: ( 1 )提出了基於實用目的的粉土的孔隙水壓力增長模式和永久應變勢計算模型,並把此兩模型應用於場地的地震反應分析和地震液化性能的評價中;依靠循環振動三軸技術,對粉土地基的地震液化強進行了研究;證了是粉土液化的重要影響因素。
  4. The paper researches the relations between blasting effect and blasting parameters, including diameter of drill, non - coincidence coefficient, hole spacing, hole row - spacing, cartridge diameter, charge per hole, density of line charge, charging structure and detonating manner, and how to adjust the blasting parameters to get the best blasting effect under the given geological condition

    本文在重慶市某高速公路合同進行了現場預裂爆破的基礎上,研究了炮眼直徑、不耦合系數、炮孔間距、炮孔排距、藥卷直徑、單孔藥量和線裝藥、裝填結構、起爆方式等爆破參數與爆破效果之間的聯系,以及如何在給定的地質條件下調整爆破參數獲得最佳的爆破效果。
  5. Abstract : in light of thicker grain and smaller viscosity of debris flow, a segmented simulation of the debris flow with flume is presented. for the first time. more difficult resistance similarity is brought about by geometric rate without excessive coarsing and discontinuous similarity of sand grain composition in model is eliminated with different grain scale. on this basis the density similarity and sand conveying similarity are achived. the method presented is verified through a model test case

    文摘:針對水石流顆粒粗,粘性小的特點,提出了利用水槽進行分模擬水石流的設想,首次通過幾何變率解決難較大的阻力相似問題,改變了以往過加糙的方式;通過變粒徑比尺的方法消除了模型沙級配不連續相似的問題,較好地實現了固體物質級配相似,達到了泥石流的相似和輸沙相似.通過水槽概化模型實例,對本方法進行了
  6. A large amount of data were acquired from the measurement in situ surfacial soil strength on the tidal flat by using portable cone penetration, shallow drilling, laboratory analysis of delta, and other means

    利用輕型靜力觸探對灘面表層土體強進行集型的測,同時結合淺層鉆探,室內等手,獲得了大量數據,進行了資料整理、分析。
  7. The study solves engineering problem as follows : ( 1 ) the systematic study on the historical course of xigeda strata deposit and geologic environment includes strata, lithologic characters and constitution et in the liangshan and panzhihua region. the results show that the xichang - panzhihua express way is controlled by the anninghe fault and the xigeda fault, the earthquake frequently happen in the region of pass, the different sedimentation number is more great, they effect the road building, safety in operation and structure belong road ( 2 ) because in some place the xigeda strata is foundation and roadbed, the study on the basic properties of the xigeda strata include density, moisture content plastic and liquid limit graduation. the results show that the xigeda strata is deposition in lake, the main component is mudstone and sandstone, the fine particle is main, it has some viscosity, the moisture content of mudstone is different the it of sandstone, the other property are likeness. the xigeda strata has no dilatation on total, some claystone have low and medium dilatation ; ( 3 ) the study on the basic properties of xigeda filler include the composition of matter the biggest standard dry density, the optimum moisture content the results show that xigeda filler can use as road material, it is well grade filler and admixture filler on essence, its compaction index should change in different place because the property is controlled by mudstone and sandstone that change is great in different place ; ( 4 ) the study on the xigeda filler craft used as express way roadbed, includes suitable thickness, compaction numbers and methods and equipment choice et

    公路沿線廣泛分佈有昔格達地層,昔格達地層能否用作高速公路路基填料,國內沒有先例,本論文就是結合導師的科研項目,在非典期間,現場長達5個月的工作,完成了從、現場施工工藝到路堤分層沉降監測等工作,是面對生產實際,認識昔格達地層的性質和其作為地基、路基和填料應用中面臨的問題進行的研究。主要的研究內容有:對攀西地區地層巖性、構造等地質環境和昔格達地層的沉積歷史過程作了系統的分析,研究表明西攀高速公路主要受安寧河斷裂和昔格達斷裂影響,通過地區地震活動頻繁,差異沉降較大,對公路建設、安全運行和沿線構築物設計有較大影響;由於昔格達地層在有些路作為地基、有些作為路基,對其基本性質進行了研究:包括天然、含水量、塑液限、顆粒級配等指標的研究。研究成果表明:昔格達地層為湖相沉積,主要為砂巖和泥巖,它以細粒組為主,同時粘粒的存在,使其具有一定粘性。
  8. Standard test method for nondestructive assay of special nuclear material in low density scrap and waste by segmented passive gamma - ray scanning

    無源射線掃描法對低廢料及殘渣中特殊核材料進行無損檢的標準方法
  9. On the basis of the typical weather situation in huaihe river basin in 1998, the paper analyses the features of the land temperature of huaihe river basin in the four stages of the 1998 s meiyu of yangtze

    最後結合1998年淮河流域觀測期間的主要天氣形勢,分析了江淮梅雨4個階相對應的地面溫的特徵。
  10. ( 2 ) because of t he variability of rock subjected to outside action, three new conceptions : postive damage basic damage and negative damage, are suggested, which can deal with the condition that rock density became large. ( 3 ) the present damage variables based on ct number mostly include ct average number of the rock without damage, which is difficult to measure, so a new damage variable, which includes the average ct number is proposed, on the other hand, strain equal theory is generalized because the one put foreword by lemaitre is not good enough to use. ( 4 ) a axial damage constitutive equation is proposed and testified. ( 5 ) with the circle times, the damage propagation laws of two different rocks, subjected to circle of freezing and thawing, are studied, and in the analysis process, traditional analysis method including average ct number and is used, some important conclusions are reached : inner damage of soft rock containing a large mount of apertures is largely propagating with the time increasement of circle, however, at the preliminary time, the hard rock containing a small mount of aperture is a little propagating, at late time, the influence become large ; ( 6 ) zone separation and statistics frequency put forward is used to analysized the three different damage propagation in the open circumstance, when they are subjected to the different circle times of freezing and thawing, in which the temperature variability is linear, different freezing rate, and different freezing temperature, and no water is supplied during the test

    在研究過程中本文主要做了以下工作: ( 1 )針對巖石損傷變化較小時,運用ct均值和方差分析不方便的缺陷,本文提出運用對ct數范圍劃分區的方法,根據各區統計頻率的變化規律來分析損傷擴展狀況; ( 2 )針對巖石受到外部作用的多變性,本文提出了基準損傷,正損傷,負損傷的概念,在某種程上考慮了巖石受到外部作用時的壓情況; ( 3 )現有的基於ct數的損傷變量大多需要用到巖石基體的ct均值,這實際上是很難觀測到的,因此本文建議了一個可運用巖石初始狀態ct均值的損傷變量,由於現有的勒邁特教授應變等價原理使用上的不便,本文在其基礎上進行了推廣; ( 4 )建議了一個可用巖石初始狀態ct數和彈性模量的單軸損傷本構方程,並用算例進行了證; ( 5 )對兩種不同巖石在開放環境下受到凍融循環作用且融化過程中補水時,內部損傷隨凍融循環次數增加的擴展規律進行了探討,主要運用了常規的ct均值和ct方差的分析方法進行分析,發現:對于孔隙率和含水率較高,和強較低的軟弱巖石,凍融循環次數對損傷結構的擴展有明顯的影響,而對于孔隙率和含水率較低,和強較高的硬巖,凍融循環次數對其損傷結構擴展初期由於含水率低的原因,影響不是太大,而後期由於水補給后,含水率較高的原因,凍融影響逐漸增大; ( 6 )運用了本文提出的區劃分和統計頻率的方法,深入地分析了開放環境下的線性溫變化的凍融循環次數,凍結溫,凍結速不同巖石作用時,其內部損傷隨凍融循環次數,凍結速和凍結溫變化的擴展規律,需要指出的是除了在前飽水外,凍融過程中沒有補水。
  11. Hope house is a prototype for testing components proposed in a higher density solar urban village and had been built in stages as personal finances permit

    希望住宅是一個樣板,是為了在高的太陽能城市村所提議的組成要素,並已經在私人籌措資金的階下建成。
  12. Furthermore, author designs some tests, such as diffusion speed test of stress in soil under static load and sound wave test. by these tests, author verified that sound wave test can measure the stress in soil. comparing those aforementioned tests, we can know that their conclusions is coherent, so those conclusions also verify the feasibility of measuring stress in soil by sound wave tests

    經理論以及結果分析,靜荷載作用下土中應力傳遞速、聲波以土中應力分佈傳遞規律的及測技術研究及前述室內模擬,在土體含水量、變化情況下,三者所獲規律是一致的,初步證實聲波測技術作為土中應力測的可行性,為無損傷、不擾動測土中應力做了探索性工作。
  13. According to the bearing capacity, rigidity, failure mode and deformation capcacity, the paper put forward four - line restoring force style of multi - ribbed slab. through multiple experment date compare, the paper concluded the reduction factor of rigidity of other stage to elastic stage

    根據肋復合墻板的承載力、剛以及破壞模式與變形性能,提出了肋復合墻板的四線型恢復力模型,在此基礎上根據多次數據擬和進而得出其它各階的剛相對于彈性剛折減系數。
  14. The dissertation researches evolvement and character of formation compression by model test and geology analyzing, based on analyzing transformation of porosity, permeability, compressibility and density of sandstone and mudstone and fracture during subsidence and uplift

    本文以模擬和地質分析為主要研究手,在分析沉降、抬升過程砂泥巖孔隙、滲透率、壓縮性、及裂縫變化的基礎上,研究地層壓力的演化及特徵。
  15. For our laboratory is changing toward industrialization, a lot of work on conventional ingaas / gaas / algaas quantum well laser has been done. how the parameters, such as threshold current density, slope efficiency, fwhm and spectrum width, are influenced and how much the influence is, are discussed by the numbers. the effective means how to improve a certain performance parameter are purposed too

    由於本實室正處于由研究向產業化邁進的階,針對常規ingaas / gaas / algaas量子阱激光器做了很多工作,文中系統論述了常規量子阱激光器的各項性能參數?閾值電流、斜率效率、遠場發散角、光譜線寬等的影響因素及改進的有效辦法,並針對激光器p ? i線性不好、遠場發散角出現多瓣的現象,通過理論分析找出原因所在並進行了改進,有效解決了以上問題。
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