表面混響 的英文怎麼說

中文拼音 [biǎomiànhúnxiǎng]
表面混響 英文
surface reverberation
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm

    本論文以開發無機?有機復合納濾膜為出發點,首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的基膜;選用聚乙烯醇和聚酰胺為功能層材料,分別探討了以羥基丁二酸和磺基水楊酸為合交聯劑,採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾膜;以均苯二甲酰氯、哌嗪和二胺為單體,採用界聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜,並對影膜性能的諸多因素進行系統研究。
  2. 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、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、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、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影、酸堿及光照對保護效果的影,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防護中的可行性和保護效果給予了系統研究。
  3. 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

    主要考察了老凝土不同處理方式(刷毛,鑿毛,劈裂) 、界粘結劑類型(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劈拉強度的影,以及凍融作用下新凝土加氣對粘結劈拉強度的影。試驗結果明,粗糙度對新老凝土粘結性能有重要影,隨著粘結粗糙度的增大,粘結劈拉強度不斷增加;界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;凍融循環對粘結劈拉強度有較大影,加氣能明顯改善新老凝土粘結的抗凍能力。
  4. The sensor exhibits a linear response to c3 in the concentration range 6. 5ng / ml to 75ng / ml, correlation coefficient 0. 973. 4 ) a novel enzyme - link fluoroimmunoassay system using 2 - chloro - 10 - [ 3 - ( 4 - methyl - l - piperazinyl ) propyl ] 10h - phenothiazine ( prochlorperazine ) as substrate to determine the goat anti - igg was developed by using polystyrene ( ps ) as carrier. the hrp - labled goat anti - igg can catalyze the oxidation of prochlorperazine to cause the increasing of fluorescence

    4 )以聚苯乙烯( ps )製成史持體,通過疏水性非特異吸附將igg固定在其,然後與gaigg和酶標gaigg進行競爭免疫反應,以雙氧水和甲哌氯丙嗪合溶液為熒光底液,通過測定395nm處熒光增強的多少來測定gaigg的濃度,熒光應與gaigg濃度在2n留ml到60n留ml之間呈準線性關系。
  5. 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強度關系的研究現狀,介紹了孔結構研究方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度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強度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,實現凝土理論強度的計算;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強度特徵的k值,並從理論上探討了水泥含量、彈性模量和能的修正對凝土強度計算產生的影,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。
  6. This modification includes : ( 1 ) selecting two important molecules as candidates, ( 2 ) choosing a promiscuous t - cell epitope, and two b - cell epitopes or conserved amino acid sequences from the two important molecules, ( 3 ) connecting them adequately through analysis by the molecule designing software. therefore, the synthetic new antigen may interfere with the process of fertilization by multiple ways and its contraceptive effects may be enhancing. based on the molecule designing methods, the b - lymphocyte cell epitope of sperm / testis specific protein sp17 and cyritestin which interfere with fertilization in mouse, as well as the promiscuous th cell epitope of the ribonuclease ( rnase ) in bovine were selected

    本研究以蛋白質分子設計的理論和方法研究避孕疫苗,將sp17和cyritestin關鍵位和牛核糖核酸酶非選擇性th細胞位合理組合,獲得新抗原- 35肽序列;並在合成、純化後分別與弗氏佐劑、免疫刺激復合物( iscoms )合后免疫不同遺傳背景的雌性小鼠,觀察血清和生殖道內的特異性抗體滴度的動態變化、生育力的改變以及免疫后小鼠重要臟器的組織病理學改變:以及在ivf下,新抗原的特異性抗血清對精卵相互作用的影及抗原在精子的特異性定位。
  7. 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,使得製品光澤及顏色不均,因而影外觀及降低機械強度。
  8. After the reverberation room is built, it is shooed by acoustical measurement that every tales is satisfing or better than of the national standard

    測量明,建成完工後的宣在聲學萬的各項指標均滿足或優于國家標準的要求。
  9. 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明,尾礦和石英砂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,而蒸壓溫度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強度有明顯差別。
  10. In the program, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress are considered. and such temperature control measurement as water pipe cooling, heat preservation of the dam surface, the pouring temperature control, the overflow across the dam top during flood season can also be simulated by numerical method

    該程序在編制過程中考慮了凝土分層澆築、施工間歇、彈模變化、絕熱溫升過程、環境溫度的變化、凝土徐變、自生體積變形等因素對壩體溫度場及溫度應力場的影,同時也考慮了水管冷卻、壩體保溫、控制澆築溫度、施工汛期壩頂過水等各種溫控措施的數值模擬。
  11. In computation the effect of thermal insulation, elastic modulus, creep degree and autogenous volume change along with age, the progress of pouring by layer, work suspension in summer, the change of air temperature, heat preservation, water cooling, and water storage, by stages on temperature field are considered

    計算中考慮了凝土的絕熱溫升、彈性模量、徐變度和自生體積變形隨齡期的變化以及分層澆築、夏季停工、外界氣溫變化、保溫、通水冷卻及分期蓄水等因素對壩體溫度應力場的影
  12. The results show that, the interfacial bonding strength of new and old concrete is evidence lower than the new or old concrete itself. besides the dimension and roughness of bond interface, the chemical reaction degree at the interface is also the main factor

    分析結果明:新老凝土的界粘結強度除了受老凝土界的尺寸及結構、粗糙程度影外,還與新老凝土粘結界間發生化學反應的強弱有關。
  13. If the surface is covered or watered after casting of concrete, the influence resulted from change of environmental temperature and relative humidity on concrete will decrease to some extent. then the shrinkage stress will also decrease and the probability of cracking will be reduced as well

    凝土澆注完后對進行覆蓋或澆水養護,可以很大程度上地減少外界溫濕度變化對凝土內部的影,減小了凝土的收縮應力,從而降低凝土開裂的可能性。
  14. Through the research and analysis on the three aspects concerning the base interface of the pavement panel, crack accumulation, expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue, it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages, i. e. stage of initial crack formation and damage in the bottom of the pavement slab, stage of accumulation, intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement

    通過對路板底界開裂、路板中裂縫積聚、擴展和路車板相互作用及其對路疲勞破壞的影等三個層的研究和分析,首次提出水泥凝土路的開裂和破壞過程可以分為三個階段,即路板底初始損傷西南交通大學博士研究生學位論文第11頁和早期裂縫的形成階段、使用期間荷載作用對路造成的開裂損傷累計、加劇和裂縫擴展階段以及路斷裂破壞階段。
  15. 3. based on the bond test for 33 concrete specimens and gfrp and bending test for 15 beams strengthening with gfrp, surface preparation of concrete, type of epoxy adhesives, thickness of adhesives, hardening time of adhesives, cure condition after strengthening are considered, and the effect on concrete structures strengthening with gfrp causing by construction behavior was analyzed. 4

    根據gfrp片材加固凝土結構在施工中常涉及到的一些相關因素,如凝土基層處理情況、所選用的粘結劑類型、塗抹粘結劑的厚度、加固的方式以及養護狀況,進行了33個凝土試件與gfrp片材的剪切粘結試驗,並進行了採用gfrp片材加固的15根凝土梁的抗彎試驗,分析了與施工性能相關的因素對gfrp片材加固凝土結構效果的影
  16. The liquid metal pb - 17li flow through a packed pebble bed - based blanket is considered to be one of the blanket candidates. the mhd pressure drop of liquid metal flow through the packed pebble bed has been calculated and analyzed under various conditions including ( a ) the size of the packed pebbles ; ( b ) the ratio of occupied room by the packed pebbles to that of liquid metal ; and ( c ) whether the pebbles surface is insulated or not

    在聚變中子源驅動的次臨界清潔核能系統的科學可行性和技術現實性基礎上,對聚變?裂變嬗變合堆的多種概念性包層進行探討,對影液態金屬在球床包層中的mhd壓降的相關因素(包括燃料小球的大小、液態金屬與燃料小球的占空比和燃料小球是否絕緣)進行分析研究。
  17. According to the geometrical characteristics of the surface on the deformed bars, considering the interfacial properties of the corrosion reinforcement and concrete, such as the microscopic mechanics model of corroded reinforcement ribs, the deterioration of ribs on the bearing surface of the deformed bars after corrosion and the effect of corrosion products of corrosion reinforced bar on the bond strength, and analyzing the distribution and interaction of the forces on the surface of the corrosion reinforcement and concrete, the calculation expressions of the bond strength between corroded deformed bars and concrete with and without transverse steel are established

    從變形鋼筋的幾何特徵出發,考慮了鋼筋銹蝕后鋼筋與凝土接觸的特徵,例如鋼筋橫肋在銹蝕狀態下的細觀力學模型,鋼筋銹蝕后鋼筋橫肋高度的變化和銹蝕產物的生成對粘結力的影。通過分析接觸上各種力的分佈形式及相互關系,建立了有橫向鋼筋和無橫向鋼筋約束作用下,鋼筋與凝土之間粘結力的計算達式,且與相關文獻的結果進行了比較。
  18. The results showed that the creep coefficients in cfrp - confined concrete columns and in epoxy - coated concrete columns are almost same, both are less than that in plain concrete columns on the same other conditions but surface treatment, which demonstrates that the creep reduction in cfrp - confined concrete columns is due to the existence of epoxy coating not of cfrp sheet. furthermore, the physical apperence and dimension have litter effect on the creep behavior of cfrp - confined and epoxy - coated concrete columns

    結果明:其他條件相同時, cfrp約束凝土柱與塗膠凝土柱的徐變基本一致,比素凝土柱徐變小29 . 0 %和26 . 9 % 。 cfrp約束凝土柱的徐變減小是由於粘貼cfrp布時的膠層所致而非核心凝土的約束效應。 cfrp約束或塗膠的凝土柱的外形、尺寸及體比對其徐變的影很小。
  19. 3. the diamond segment wear process was analyzed by testing the weight of segment before and after sawing. the patterns of wear and breakage of diamond grits and bond wear mechanism of the blade were analyzed based on the observation on the working surface of the saw blade by stereo microscope and scanning electronic microscope

    採用稱重法測量鋸切過程鋸片節塊磨損量,並通過計算磨削比,分析了凝土鋸切過程金剛石節塊的磨損特性及其影因素,並採用sem和體視顯微鏡觀察節塊不同部位工作和金剛石的磨損破壞情況,研究了金剛石磨損破壞的主要形式和胎體材料的磨損形態。
  20. Water cement ratio and mixing fly ash or slag into concrete effect on ability of resisting chloride penetrating that are considered in the model. the effect of environment that include temperature, relative humidity and cumulating of surface chloride concentration of concrete are also considered. moreover, chloride diffusion changing with time is included in this model as well as

    模型中考慮水灰比和凝土配合比(摻入不同量的粉煤灰和礦渣)變化對凝土抵抗氯離子侵蝕能力的影,同時考慮溫度、相對濕度和氯離子濃度累積變化等環境因素對氯離子侵入凝土過程的影,以及氯離子擴散系數隨時間的變化。
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