混響強度 的英文怎麼說

中文拼音 [húnxiǎngqiáng]
混響強度 英文
reverberation intensity
  • : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
  • : 強形容詞(強硬不屈;固執) stubborn; unyielding
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. The research results show that when the fly ash content is under 30 %, the strength of rcc can be increased but the effect is a little ; and with the fly ash content increased the dry shrinkage of the rcc reduced straightly, and the abrasion resistance and freeze resistance increased obviously. ( 3 ) fly ash can increase durability of the rcc and under the experiment condition, the perfect mixing content is 30 %

    試驗結果表明: ( 1 )粉煤灰摻量小於30 %時能提高碾壓凝土但影不大; ( 2 )隨著粉煤灰摻量的增加,碾壓凝土的干縮呈直線降低,且抗磨性和抗凍融能力明顯提高; ( 3 )粉煤灰能有效提高碾壓凝土的耐久性,且在試驗條件下的最佳摻量為30 % 。
  2. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓凝土重力壩漸進破壞過程和可能失穩方式的基礎上,提出了以準彈性臨界作為穩定臨界準則的設計極限狀態,分析了按該準則設計的大壩的實際工作狀態,導出了以準彈性儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式,探討了定量計算考慮各種因素影的相應設計安全系數的合理取值,並與現行規范方法進行了比較
  3. A hundred and ninety - four test pieces are tested which involved six kinds of slenderness ratios and five cubic contents, and studies are done on the influence of cubic content and slenderness ratio to compressive strength, split strength and flexural strength of concrete, which lays the foundation of further study

    完成了涉及6種長徑比和5種體積摻量的194個試件的試驗,對短切玄武巖纖維體積摻量、長徑比等因素對凝土抗壓、劈拉、彎拉的影進行研究,積累了大量的數據,為進一步研究奠定了基礎、積累了經驗。
  4. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深、孔隙、毛細吸水和滲透系數、持水量、抗壓、抗鉆、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓的衰減、可溶鹽對保護效果的影、酸堿及光照對表面保護效果的影,對兩種含氟聚合物及其與有機硅的共物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  5. By the large quantity of indoor and field soil mechanics test, this paper investigated physics and mechanics property of xigeda stratum and xigeda compounding filling, profoundly and systematically studied on shearing strength, cbr ( including indoor cbr and field cbr ) and intensity feature of xigeda compounding filling. the new achievement and cognition as follows : ( 1 ) cbr value is decided by moisture content and mudstone content of xigeda compounding filling. the filling material can satisfy minimum intensity standard of express highway when mudstone content is less than some fixed value, ( 2 ) this paper established field cbr standard value which can synthetically evaluate the filling material nature and field compaction degree. ( 3 ) the optimal compacting mean of xigeda compounding filling is hard oscillation first and weak oscillation later, not traditional way which is weak oscillation first and hard oscillation later. ( 4 ) this paper put forward the conception of optimum moisture content in construction different from optimum moisture content of indoor impaction

    本文以昔格達填料特徵為研究對象,通過大量的室內及現場試驗,從昔格達地層巖組的物理力學性質、昔格達填料的物理性質入手,對昔格達填料的抗剪、室內承載比及現場承載比特徵進行了較系統地研究,獲得了如下認識及進展:昔格達合填料承載比值受填料含水量及其中泥巖含量的影,當泥巖含量小於一定值時,昔格達合填料具有較高的承載比值,能夠滿足高速公路對填料的最低要求;建立了綜合評判昔格達填料性能及現場壓實效果的現場承載比( cbr )標準;對于昔格達填料而言,最佳的碾壓方式為先振后弱振而不是傳統的先弱振后振;提出了與室內擊實最優含水量相區別的施工最佳含水量的概念。
  6. Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering

    主要考察了老凝土表面不同處理方式(刷毛面,鑿毛面,劈裂面) 、界面粘結劑類型(水泥凈漿,水泥砂漿, u型膨脹劑水泥漿) 、凍融循環次數等對新老凝土粘結面劈拉的影,以及凍融作用下新凝土加氣對粘結面劈拉的影。試驗結果表明,粗糙對新老凝土粘結性能有重要影,隨著粘結面粗糙的增大,粘結面劈拉不斷增加;界面粘結劑類型對新老凝土粘結性能有一定影,在凍融作用下, u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿;凍融循環對粘結面劈拉有較大影,加氣能明顯改善新老凝土粘結面的抗凍能力。
  7. In this research, the lime - fly - ash bound macadam was joined with steel fibers, glass fibers and polypropylene fibers with the contents of the lime, the fly ash and the macadam fixed in lab tests. the study focuses mainly on the split strength, compression strength, and modulus of compressive resilience and shrinkage property of the lime - fly - ash bound macadam enhanced by different kinds of fibers. based on the test, a detail theoretical analysis was made on the relation of mechanical property, dry shr inkage with the variety and the quantity of fibers, applying the theories of strength, dry shrinkage and the methods of statistics, curve mimesis and variance analysis

    本論文主要是研究在同一種二灰碎石合料(石灰、粉煤灰、集料的含量及比例相同)中分別摻入不同數量的鋼纖維、玻璃纖維、聚丙烯纖維,通過室內試驗對其抗拉、抗壓、抗壓回彈模量和乾燥收縮性能與纖維摻量和纖維品種之間的關系加以分析和研究,並在此基礎上根據二灰碎石形成機理、乾燥收縮機理和數理統計、曲線擬合、方差分析的方法分析纖維品種和纖維數量對二灰碎石的力學性能和乾燥收縮性能的影,最後得出纖維對二灰碎石的、抗壓回彈模量、乾燥收縮有很顯著的影,並提出了相應的建議。
  8. Based on laboratory and in - situ tests, the influence of initial void on the rutting - resistance, moisture damage - resistance, strength and permeability of asphalt mixt is studied, and the appropriate ranges of air void of asphalt mixtures are analyzed and suggested

    摘要在室內試驗和現場測試的基礎上,分析初始空隙率大小對瀝青合料抗車轍能力、水穩定性、和滲透性能的影,探討瀝青合料空隙率的界限值。
  9. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括凝土測孔方法的研究、孔結構模型的研究及孔結構與關系的研究現狀,介紹了孔結構研究方面的一些最重要的成果;第二章敘述了凝土材料細觀結構的多尺性及凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參數,也說明了壓汞法測孔對研究結果的影因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與關系模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了凝土孔結構復合體模型和孔系統的物理模型,並模擬了該模型下由各單體並聯形成的復合體的斷裂過程,最後根據所建模型編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含量等參數,實現凝土理論的計算;第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析,根據回歸分析的方法得到了反映基體特徵的k值,並從理論上探討了水泥含量、彈性模量和表面能的修正對凝土計算產生的影,檢驗模型的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  10. The cause is mostly due to the fast activation of the injection speed, air inside the mold cavity cannot be squeezed out by the melting plastic materials and hence air is mixed inside the plastic materials. it causes uneven shininess of surface and colour, affecting the outlook and the strength

    射紋的形成一般是由於射速啟動過快,使模腔內之空氣無法被熔融膠料壓出,空氣合在膠料內,使得製品表面光澤及顏色不均,因而影外觀及降低機械
  11. Secondly, the effect of thermocline to the intensity decaying rule for monostatic case is analysed

    然後分析了聲速躍變層對海洋平均衰減的影
  12. 3. numerical simulations of the flexural process of the trisection specimens of concrete were executed, as well as the influence of configuration of aggregates on computing results was analyzed, by which showed that the method proposed is valid and feasible

    3 .通過全級配凝土試件三分點彎拉損傷破壞過程的數值試驗,驗證了所編程序的正確性。同時,討論了骨料形態對凝土動彎拉的影
  13. The result shows that blended cement mixed with activatory coal gangue powder has high compressive strength, however, with the increase of the admixture of coal gangue powder, flowability of blended cement paste become worse, and the setting time is not obviously affected

    結果表明,摻入經活化處理的煤矸石粉配製的合水泥具有較好的性能;隨摻量增加,水泥漿體的流變性能變差,但對凝結時間並無明顯影
  14. Analysis for the product hydration process of natural maintenance show tailings and quartz sand surface is advantage for the major influence of hydration outcome in jing pei generate " base role ", do not participate in chemical reaction basically, while steam temperature and pressure for hydration structure and form of low silicon - tailings aerocrete have obvious influence, it is why the compressive strength of two products have obvious difference

    對自然養護的製品水化過程分析的研究表明,尾礦和石英砂表面對於水化產物的主要影是利於晶胚生成的「基底作用」 ,基本不參與化學反應,而蒸壓溫和壓力對低硅尾礦加氣凝土水化產物的結構、形態有著明顯的影,導致兩種製品的抗壓有明顯差別。
  15. Most of the pandas are distributed between 2 600 - 2 800 m ; 2 ) the pandas more often exploit the conifer - and - broadleaf - mixed forests and prefer to feed fargesia denudafa and more of their activities happen in forests where arrow bamboo grows better ; 3 ) the pandas avoid habitats where human disturbance is intensive ( x2 = 22. 000, df - 3, p = 0. 000 ) ; logging and livestock grazing significantly influence feeding habitats of pandas, while herb collecting and poaching has not. the giant pandas prefer the habitats where no human disturbance occurs. in conclusion, human activitires have intensively influenced feeding and other activities of the giant panda and its habitats

    垂直主要分佈在海拔2600 - 2800m范四川大學碩士學位論文圍內; 2 )主要利用植被類型中的針闊交林,選擇有缺苞箭竹、而且缺苞箭竹生長良好的生境,對位置和森林起源這兩個生境因素的不同水平,都是隨機利用,沒有表現出明顯的偏好; 3 )大熊貓明顯迴避那些人類干擾大的生境( xz二22 . 000 , df = 3 , p = 0 . 000 ) ;伐木和放牧對大熊貓食竹的生長狀態有明顯影,對發生采藥和偷獵的生境沒有明顯迴避;對於人類干擾大的生境,大熊貓利用頻很低,干擾弱或中等時,表現出隨機利用;對于沒有干擾的生境,是高頻利用。
  16. But the autogenous shrinkage of core concrete will be increase with the increase of core concrete strength. the influence of autogenous shrinkage to high strength cfst should be investigated

    但是隨著凝土的提高,核心凝土的自收縮值也將增大,凝土的自收縮對鋼管高凝土構件產生何種影有待研究。
  17. With the retrospection of the developing course of the bored pile foundation and combining with my practical experience, the paper expatiates upon the design principle of percent of fit of the stone - fill grouted concrete and the main factors of the influence strength target, and the final pile technique introduction of the hollow pile of the stone - fill grouted concrete and the precast prestressed concrete ; baesd on the theory of slurry hydraulics, empirical calculation formulas of the radis and height of diffuse slurry are deduced in this paper ; it analyzes the test pile materials of the hollow pile foundation, such as luoyang yi river bridge and dangwang jian river bridge ; the new technique of the hollow pile, which provides the generalization and application with base materials, expounds its feasibilities, adaptabilities and economy

    本文通過綜合分析國內外鉆孔樁基礎的發展歷程及研究現狀,重點討論了填石壓漿凝土空心樁、預制預應力凝土空心樁的成樁工藝、填石壓漿凝土的配合比設計原理及影指標的主要因素;根據泥漿水力學原理,導得了考慮各種因素的水泥漿液在預填骨料中的流動影半徑和上升高;結合河南省洛陽伊河大橋、黨灣澗河大橋工程實踐,討論了填石壓漿凝土空心樁基礎的質量檢測方法及標準;並在此基礎上,深入分析了樁側、樁端承載能力,提出了填石壓漿凝土空心樁的設計計算理論和方法。最後,論證了空心樁新工藝的可行性、適應性、經濟性,為大力推廣應用空心樁新技術提供了可靠的技術資料。
  18. The bistatic average intensity firstly rises wt time to a top point, then it goes down, and the decaying rule is close to the monostatic reverberation intensity ap ) j { jgj : 8kq @ f9tt & z decaying rule, but reverbefation intensity will be closely related to the relative site of the transducers

    收發分置時的平均隨時間的變化先是增加,到一個極大值時再隨時間的變化而有規律地減小,其衰減規律與收發合置混響強度衰減規律一致,其弱與接收水聽器所處位置有關。
  19. The sound speed profile is another important factor, the bigger sound speed gradient, the faster reverberation intensity decay and the other factor to the reverberation intensity decaying is sea floor inclination, the greater the slope angle, the slower reverberation intensity decav

    其次,對混響強度的第二大因素是聲速梯,聲速梯越大,混響強度衰減越快。第三,海底傾斜角也會影海洋的衰減,海底傾斜角越大,平均衰減越慢。
  20. The thermocline causes omittable effect on the intensity decaying speed. but the site of hydrophone affects the reverberation intensity when hydrophone lies upper than the thermocline, the reverberation intensity is greater than when there is no thermocline, and vice versa. at last, the average intensity of reverberation for bistatic case had been deduced

    發射聲源與水聽器在聲速躍變層上方時,水聽器接收到的混響強度比無聲速梯時接收到的混響強度大;發射聲源與水聽器在聲速躍變層下方時,水聽器接收到的混響強度比無聲速梯時接收到的混響強度小。
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