材料強度科學 的英文怎麼說

中文拼音 [cáiliàoqiángxué]
材料強度科學 英文
science of strength for materials
  • : 名詞1 (木料) timber 2 (泛指可以直接製成成品的東西; 材料) material 3 (供寫作或參考的資料) ma...
  • : 名詞1 (材料; 原料) material; stuff 2 (喂牲口用的穀物) feed; fodder 3 (料器) glassware 4 (...
  • : 強形容詞(強硬不屈;固執) stubborn; unyielding
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ名詞1 (學術或業務的類別) a branch of academic or vocational study 2 (機關按工作性質而分設的單...
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • 材料 : 1. (原料) material 2. (資料) data; material 3. (適于做某種事的人才) makings; stuff
  • 科學 : science; scientific knowledge
  1. This is so because climbing plants are likely to encounter intensive - changing environmental condition during their growth ( especially change of illumination ). secondly, there is a large proportion ( 30 - 40 % ) of climbing plants which belong to dioecism, and hence a gap between male and female plants on morphology, biological characteristic, economic value and so on. this dissertation focuses on herbaceous climbing plants, perennial or annual species such as dioecious trchosahthes kirilowii maxin and dioscorea opposita thumb, and monoecious luffa cylindrical ( l ) roem, it attempts to discover how climbing plants adapted to various environments and the mechanism of adaptation from aspects of physiological and reproductive ecologies at present, due to overuse of chlorofluorocarbons ( cfcs ), the ozonosphere has become thinner and thinner, and the ultraviolet - b ( uv - b ) radiation has increased considerably

    而攀援植物本身是一類理想的植物行為生態研究:第一,攀緣植物由於受攀緣能力和支柱木資源的限制,在生長過程中通常要遇到烈變化的環境條件(特別是光照) ;第二,攀緣植物中具有較高比例的雌雄異株類型,通常佔地區攀緣植物種類的30 40左右,不同性別的植物在形態及生物特性、經濟價值等方面存在一定的差距,因此,本文以雌雄異株攀緣植物栝樓( trchosahtheskirilowiimaxim ) (葫蘆多年生草質藤本植物)和山藥( dioscoreaoppositathunb ) (薯蕷薯蕷屬植物) 、雌雄同株異花攀緣植物絲瓜[ luffacylindrical ( l ) roem ] (葫蘆一年生攀緣草本植物)為,試圖從生理生態及生殖生態揭示攀援植物如何適應不同生境及其機理。
  2. Safety of structures is a common and important problem in the mechanical engineering. recent years there is a trend of developing unified theory of fatigue and fracture to describe the life - cycle damage behaviour of structures. researches on safety guarantee are going toward multi - method synthesis, system micromation, network availability and life - cycle information management

    結構的安全性一直是工程中普遍關心的重要問題,結構逐漸發展到疲勞斷裂統一理論,結構安全保障手段已向多方法、微小化、網路化和全壽命在線保障與監測發展,建立全壽命安全保障系統,涉及、機械、力、電子等的交叉融合。
  3. I major in business english. the main courses i have studied are the basic courses for english majors, french, fundamentals of business, macroeconomics, microeconomics, international commercial law, internatioal trade, the economics of money, banking and financial market & principles of marketing during my college time, i study hard, and get good marks in most of the subjects. i pay attention not only to my study but also to improving my social abilities, i taught in qin huangdao chuangzhi foreign studies school from july 2003 to 2004, was an interpreter for the world bicycle championships b 2001 in june 2001, taught in qin huangdao cambridge school from mar. 2001 to sep. 2001, and i have abundant house - teaching experiences. what ' s more, i practised in qin huangdao chia tai co. in jan. 2003. i also tried my best to improve my other abilities besides my major, such as computer, managing abilities. i got " 1st grade " in the " hebei college students ' plan for company - creating contest " ( our work will participate in the national college students ' plan for company - creating contest ), and got " excellent " in the " web - making contest " of yanshan university

    期間,我嚴格遵守校規章制,尊敬師長、團結同,有很的集體榮譽感;習認真刻苦,成績良好,我的專業習涉及內容相當廣泛,包括英語的所有基礎課和國際商法、市場營銷、國際貿易、國際金融、工商導論、宏微觀經濟等;重視理論聯系實際,在好專業課的基礎上,積極參加各項社會實踐、實習活動, 2001年6月,我曾為世界b級自行車錦標賽(中國?秦皇島)擔當翻譯工作,在多所外語校擔任英語教師,還多次為北方物流置業有限公司(國家、河北省重點建設項目)翻譯招商,而且2002年年底,在秦皇島正大有限責任公司行銷部實習;在好專業課的同時,為了補充和擴展自己的知識面,我廣泛涉獵其他的知識,如計算機、網路、創業等,盡量使自身更快成長為一專多能型人才, 2002年4月開始參加燕山大生創業計劃大賽,並在2003年上半年參加了河北省大生創業計劃大賽,獲得了一等獎的優異成績,並將報送參加國家大生「世紀杯」創業計劃大賽, 2002年4月,參加燕山大「綠色網路」網頁製作大賽,獲得了優秀獎。 。
  4. We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc

    目前,解決混凝土開裂的方法是綜合的,我們調查研究了混凝土開裂的原因,開發研製了高性能抗裂外加劑,優化混凝土的設計和施工方法,並通過補償收縮達到混凝土體積穩定,提高抗裂,滿足混凝土拌和物高工作性能的要求。本研究採用多種測試技術,應用表面物理化、結構化、固體化、復合、斷裂力等多的理論與方法,從不同的角進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題,發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫收縮、塑性收縮、碳化收縮等各種收縮變形引起的。
  5. The study on salc includes : 1 ) the study on the harmonization between aeration rate and melts thickly rate ; 2 ) the study and application of the new multi - function composite additive ( nmca ) ; 3 ) the study on the durability of salc ; 4 ) the designation of the structure of new multi - functional unbearing compound wall and fast equipment mold, etc. the results show : the additive can improve the harmonization of the workability and mechanics characteristic of salc to a certain extent ; improve the volume stability of salc under different environment by enhancing the resistance to the freeze and thaw, dry and wet circle and drying shrinkage

    在salc的研究方面,主要包括發氣速和稠化速的協調性研究、新型多功能復合外加劑的研製、耐久性能的研究以及新型多功能非承重復合墻體結構及其澆注成型的快速組裝模具設計等內容;結果表明:合理的引入輔助外加劑在一定程上使salc的工作性及相應物理力性能得以最佳匹配,增了salc對凍融循環、干濕循環及乾燥收縮的抵抗能力,使salc在不同的環境下均具有較好的體積穩定性。
  6. The zirconia ceramics, with its high hardness, high strength and high corrosion protection, is the toughest of the ceramic family, and therefore the widely applicable material in the new century

    納米氧化鋯是一種新型的高,具有陶瓷中最高的韌性和耐磨。並有高、高硬,耐高溫和耐化腐蝕等優良性能,成為新世紀應用廣泛的新型陶瓷。
  7. It ' s the advantage of jmfc to apply the centrifugal casting technology to the small size of compound rolls, which characteristics are as follows : combining high hardness, anti - wear, impact and breakage resistance : spun cast the shell by proper charging of alloys and use high strength and impact ductility material as core

    將離心澆鑄工藝用於小型復合軋輥的製造,是金環廠的優勢,採用該工藝的軋輥具有以下特點:兼得高硬耐磨損與抗沖擊抗斷裂性能:按耐磨性和硬要求,將合金配比,溶解澆鑄成輥身的工作層,再採用高抗沖擊的澆鑄輥頸和輥芯,冶金結合,兩者兼得。
  8. In this article, the steel fibre is a kind of industrial wastes - stainless steel fibre dregs. the use of it is helpful in comprehensive utilization of resource and environment protection. the author of this article used orthogonal test design, arranged the test scheme scientifically, selected material, at last yield a high strength concret, whose strength exceeded c60, mainly by using 42. 5 ordinary portland cement, silica fume, superplasticizers, stainless steel fibre dregs and so on

    本文所用的鋼釬維是一種工業廢?不銹鋼纖維渣,它的應用有利於資源的綜合利用和生態環境的保護本文在廣泛閱讀國內外有關資的基礎上,採用正交設計,地安排試驗方案,精心選擇,用42 . 5普通硅酸鹽水泥、硅灰、高效減水劑、不銹鋼纖維渣等,採用常規工藝配製出了達到c60的高混凝土,並且通過對試驗數據的分析,給出了最優配比方案。
  9. The author of this article used orthogonal test design, arranged the test scheme scientifically, selected material carefully, at last yielded an ultrahigh strength cement - based material ( uhscm ), whose compressive strength exceeded 100 mpa, mainly by using 42. 5 ordinary portland cement, superfine aggregate : nano sio2, superplasticizers and so on

    本文是在廣泛閱讀國內外有關資的基礎上,採用正交設計,地安排試驗,精心選,用42 . 5普通硅酸鹽水泥、納米sio _ 2 、高效減水劑等,採用常規工藝配製出了一種抗壓超過100mpa的高水泥基復合
  10. The author of this article used orthogonal test design, arranged the test scheme scientifically, selected material aboratively, at last yield a ultrahigh strength cement - based material ( uhscm ), whose compressive strength exceeded 120 mpa, mainly by using 625r ordinary portland cement, superfine aggregate - - silica fume, superplasticizers and so on

    本文在廣泛閱讀國內外有關資的基礎上,採用正交設計,地安排試驗方案,精心選,用625r普通硅酸鹽水泥、超細顆粒集硅灰、高效減水劑等,採用常規工藝配製出了一種抗壓超過120mpa的超高水泥基
  11. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力微分方程,並採用goast - redfem積分法和p函數對其動力參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力模型,為確定反應器的閃速熱解工作溫范圍及熱解反應動力描述,提供了理論和依據; ( 3 )為研究和確定不同尺的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫場傳熱理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫達到充分熱解溫的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力、工程、機械設計原理,推導、建立了轉錐式閃速熱解反應器物滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  12. Based on an advanced formula, the plastic parts are made of injection - molded, high - strength engineering plastic pc by numerical control equipment, therefore effectively prevent products from aging caused by coldness, heat, oxygen and ultraviolet radiation

    整套接頭筒塑件採用配方的高pc工程塑,經過數控設備注塑成型,能有效地阻止大自然中冷熱氧和紫外線引起的老化,並且具有優良的力
  13. On systematic analysis of engineering property of the aeolian sand, we choose cement stabilized aeolian sand, cement stabilized mixture of aeolian sand and soil, lime - fly ash stabilized aeolian sand, lime stabilized mixture of aeolian sand and soil and lime - cement stabilized mixture of aeolian sand and soil as object of research. on the base of the determination and analysis of temperature contraction property, aridity resistance property and strength of the stabilized aeolian sand mixture, this paper mainly analyses influential factors and inherent law of property about the stabilized aeolian sand mixture, and provides scientific foundation for the using of aeolian sand as paving material

    本文在系統分析風積沙工程特性的前提下,以水泥穩定風積沙、水泥穩定混合沙土、石灰穩定混合沙土、石灰粉煤灰穩定風積沙和水泥石灰穩定混合沙土作為底基層研究對象,在對其溫縮、干縮以及和模量等性能指標的測試、分析的基礎上,研究分析了這些穩定風積沙混合各性能的影響因素和內在規律,為風積沙用作沙漠地區公路路面提供了依據。
  14. The anode material of aluminum electrolysis is present in the odiously working environment of high temperature and strong corrosiveness medium, so it is very difficult for modern material science to select inert anode material

    摘要鋁電解陽極處在高溫、腐蝕性介質的惡劣工作環境中,所以惰性陽極的選擇是現代很大的課題之一。
  15. The main achievement of this text is a method to analyse through the theory, combine the material science of concrete, relevant knowledge of the composite, through method of mechanical analysis. set up one practical concrete pore structure compound body model comparatively. and through an analysis of test data in documents, examining the science and practicability of the model. according to calculation strength that model receive being with test strength fit very well, the coefficient correlation is very high

    本文的主要成果是通過理論分析的方法,結合混凝土、復合的相關知識,通過力分析的方法,建立了一個較為實用的混凝土孔結構復合體模型。並通過對文獻中試驗數據的分析與回歸,檢驗了模型的性和實用性。根據模型得到的計算與試驗擬合的非常好,相關系數非常高。
  16. The author of this article used orthogonal test design, arranged the test scheme scientifically, selected material carefully, at last yielded an high strength lightweight aggregate concrete material ( hslacm ), whose compressive strength exceeded 50 mpa and quality under 1950kg / m3, mainly by using 42. 5 ordinary portland cement, expanded fly ash aggregate, silica fume, superplasticizers and so on

    本文是在廣泛閱讀國內外有關資的基礎上,採用正交設計,地安排試驗,精心選,用42 . 5普通硅酸鹽水泥、粉煤灰陶粒、硅灰、高效減水劑等,採用一般工藝配製出了一種抗壓超過50mpa 、質量低於1950kg m ~ 3的高輕骨混凝土
  17. On the basis of the loess distribution, engineering geology and specific properties of road use in gansu province, this paper divides traffic volume grade according to the conditions of transportation of all high - grade highways which are being built and have already finished. besides, it analyses the relativity of three different test methods, establishes the related relations, and divides their strength grade after measuring rebound module of subgrade of the representative high - grade highways in gansu loess area. furthermore, it recommends the common semi - rigid and asphalt concrete design parameters by comparing the experiment in doors to outdoors, and draws up the optimized design program aga - lq based on advanced genetic algorithm and solves the non - liner optimization design model of asphalt pavement construction by computer

    本文基於甘肅黃土分佈、工程地質及路用特性研究,對該黃土地區在建和已建的全部高等級公路交通狀況進行了詳細調查和分析,劃分了交通量等級;對甘肅黃土地區代表性的高等級公路,利用三種不同方法實測了土基回彈模量,分析了各測試方法的相關性,建立了相關關系,對土基回彈模量進行了等級劃分;通過室內外試驗比較,推薦了常用的半剛性和瀝青混凝土設計參數值;利用計算機編制了基於改進遺傳演算法的優化設計程序aga ? lq ,並成功求解了瀝青路面結構非線性優化設計模型;最後經計算提出了甘肅黃土地區高等級公路瀝青路面典型結構,並編制了查詢圖庫軟體cx ? lq ,供設計單位直接選用,簡便地解決了甘肅黃土地區的路面設計問題。
  18. Moreover, rare earth ceo2 can clean the melt and the face of reinforced particles and improve the wettability between the reinforced phase and melt and the property of material. proper additive mg and rare earth can improve the hardness, wear - resisting property tensile - strength, elongation percentage of tic / al, tic / al - si composite

    加入適量添加劑mg和稀土ceo _ 2使原位tic al , tic al - si復合的硬武漢技人碩1 :論義、咐磨性、抗拉、延伸率得到很大的提高。
  19. The carbon fibers with low strength are broken easily according to thermal tension and bend stress damage models, and the carbon fibers with high modulus are broken easily according to thermal shear stress damage model in spite of less damage caused by heat. the carbon fibers with surface glue of epoxy resin are damaged easily in physical and chemical ways because of high oxygen extent and rigidity of epoxy resin

    碳纖維容易在熱應力拉伸或彎折破壞模式下損傷;高模量碳纖維高溫損傷小,但國防技術大研究生院位論文容易以熱應力剪切破壞模式下斷裂;環氧樹脂表面膠剛性較大,氧含量較高,使碳纖維容易受到化損傷和熱應力彎折損傷,均不宜用來制備c燈sic復合
  20. The chemical composition of materials of the wear resistant is more reasonable and has good mechanical properties, hardness modest, impact toughness, and strong yield high, high manganese steel service life is the 2to4 times that of a warehouse liner can be used 3to4 years, stable quality, widely usage, and high comprehensive economic indicators, it belongs to wear - resistant materials with great potential development, and got the second prize winner ministerial - level scientific and technological progress, fill a blank in china, mainly for export liner material

    該耐磨的化成分設計比較合理,具有良好的綜合機械性能,硬適中,沖擊韌性好,屈服高,使用壽命是高錳鋼的2 4倍,一倉襯板使用3 4年,質量穩定,使用范圍廣,綜合經濟指標高,是一種很有發展潛力的耐磨,獲得部級技進步二等獎,填補了國內空白,主要用作出口襯板
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