顆粒間的應力 的英文怎麼說
中文拼音 [kēlìjiāndeyīnglì]
顆粒間的應力
英文
intergranular stress- 粒 : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 的 : 4次方是 The fourth power of 2 is direction
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
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It is haemorrhoid, not afraid, this is the disease with a very high incidence of a disease, have 10 people the view of 9 naevus, that is to say almost the pile that everybody has different rate, some is heavy, some also does not become aware even oneself, i recommend root of your use naevus to break, it is medicine of profess to convinced, germany imports, 40 yuan or so, the drugstore that arrives big a little bit has commonly, every 80, eat 3 times everyday, every time 3, eat effective fruit, but this medicine is to ask to be able to insist to eat, next at ordinary times dietary attention is not stimulated tartly, do not let him get angry, much draft fruit drinks water more, maintain defecate unobstructed, ok, if felt embarrassed not to see a doctor, because the doctor can suggest you become an operation commonly, not quite good, the operation is unwarrantable also cure completely, if you are the female that had not borne, that should not become an operation more, because give birth to a child later when, still meet those who cause haemorrhoid recrudesce greatly too forcibly, believe me, additionally you can cooperate medicine of an external use, ma yinglong haemorrhoid creams, besmear outside, more comfortable, this is cheaper, a few money, go quickly buying drug, do not delay too long, arrived otherwise the degree of defecate belt blood is painful
是痔瘡,不要擔心,這是個發病率很高的病,有十人九痔的說法,也就是說幾乎每個人都有不同程度的痔瘡,有的重,有的連自己也覺察不到,我推薦你使用痔根斷,是口服藥,德國進口的,一盒四十元左右,到大點的藥店一般都有,每盒80粒,天天吃三次,每次三顆,吃完三天就有效果,但是這個藥是要求可以堅持吃完一盒的,然後平時飲食注重不要辛辣刺激,不要讓自己上火,多吃水果多喝水,保持大便通暢,就可以了,假如不好意思就不要看醫生了,因為醫生一般會建議你做手術,不太好,手術也不能保證完全治好,假如你是未生育過的女性,那就更不要做手術了,因為以後生小孩時,用力過大還是會引發痔瘡復發的,相信我,另外你可以配合一個外用藥,馬應龍痔瘡膏,塗在外面,比較舒適,這個比較便宜,幾塊錢,快去買藥吧,不要耽誤太長時間,不然到了大便帶血的程度就痛苦了。Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd
本文採用原位反應法制備了cu -納米tib _ 2原位復合材料,在此基礎上分析了原位復合材料的微結構,進行了干滑動摩擦磨損和電接觸滑動磨損實驗,完成的主要工作如下:從熱力學的角度出發,分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件,並用電解銅、工業純鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反應溫度、反應時間和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。And it should be ascribed to silt according to the view of its mineral composition, particles distribution, physical and mechanical indices. not only is the content of cla > relatively high, but also the exchange capacity of ion, chiefly high - electronvalent calcareous ion, is great. due to aggregations filled with pore among inter - particles, the soil has the engineering properties of silty clay
從其礦物成分、顆分試驗及物理力學指標來看,它應歸屬于粉土,但由於土中的粘粒含量較高,且粒間充填集聚體,土的離子交換容量較大,交換陽離子以高價鈣離子為主,故其仍表現出粉質粘土的工程特性。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學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,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學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度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度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 )採用復雜溫度場傳熱學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度達到充分熱解溫度的時間( 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,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )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、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。Time, the paper studies rheology of rockfillwith yin zongze model, of two yield surface and rheological relation of negative exponential, and some formulas are obtained it is difficult to determine the rheological parameters, of rock fills through laboratory test for the limited specimen, dimension, short duration and particle, constituents
本文採用殷宗澤雙屈服面模型與堆石流變的負指數變化關系式,研究堆石的應力與流變關系,並推導了相應公式。在流變參數確定方面,由於室內試驗的試樣尺寸、時間比尺和顆粒破碎很難模擬現場條件,根據室內試驗直接確定堆石的流變參數是困難的。Three models are proposed as follows by applying the model of " mixed flow " : the stress of increasing fluid on fouling, collision between solid particles and fouling, and solid particles movement velocity ; the effects of operating parameters, properties of particles, and the volume fraction of particles on stress in solid - liquid two phase flow, collision stress between solid particles and fouling, maximal contacting area between solid particles and fouling and maximal contacting time between solid particles and fouling are investigated systematically by calculating and theoretical analysis
利用「混流」模型,建立了兩相流體的剪應力模型、固體顆粒與垢層的碰撞模型和固體顆粒的運動速度模型;通過計算和理論分析,系統地考察了操作參數、顆粒物性、顆粒體積分率等對固液兩相流剪應力、顆粒對垢層的碰撞力、顆粒與垢層的最大接觸時間和最大接觸面積的影響。Based on a large amount of experimental data, nonlinear analysis, such as complexity theory, and approximate entropy ( apen ) which is adopted systematically in the fluidization research the first time, are implemented in the time series analysis of pressure fluctuation and particle concentration in gas - solid fluidized beds, and the nonlinear characteristics of fluidized beds are discussed comprehensively
本文在大量實驗數據基礎上,將非線性方法,包括復雜性理論,以及首次被系統引入流態化研究的近似熵,應用到氣固流化床壓力及顆粒濃度脈動時間序列分析中,較為系統地探討了流化床的非線性特徵。The forming - nucleus drive power could form numerous little crystal nucleus under natural melting temperature. the formation of tic particles in the melt could be divided into two phases which was forming - nucleus and growth. the forming mechanism of tic was : melting ti first surrounded c, then ti melting in the alloy and c formed a complicated reaction mesosphere on the carbon surface
根據熱力學及動力學分析,認為在碳顆粒界面處tic的形核率很高,形核驅動力足以在正常的熔煉溫度下形成眾多的小晶核;熔體中tic顆粒的合成可分為形核與長大兩個階段,其形核機制為:首先活性ti原子包圍c ,溶入合金中的ti與c在碳表面形成一復雜反應中間層,隨著反應進行, ti和c顆粒不斷減少,生成的tic不斷彌散分佈於熔體中;其長大過程伴隨著tic顆粒的相互堆砌、聚集和形態規則化。However, the interparticle friction did not appear to have a significant effect on the magnitude of the lateral stress developed during the uniaxial compression
然而,顆粒間的摩擦對軸向加載時系統產生的水平應力沒有很強的影響。( 5 ) basing on the exploring of the functions of cohesion force and friction force during rheology course and the assumptin that viscosity lost according viscosic strain, a constitutive model for viscous, elastic and plastic rock is set up, which can simulate the third course of creep. then the impact of transcient damage to rheology is discussed and corresponding creep model for rock is proposed
( 5 )在探導巖石顆粒間粘聚力和顆粒間摩擦力在巖石發生流變過程中的作用基礎上假設粘性失效按流變應變統計概率分佈,建立了巖石粘彈塑性本構關系,能夠描述巖石蠕變加速階段特徵;討論了瞬時損傷對巖石流變的影響和相應的損傷蠕變模型建模問題。With the content of iron carbide in carbonyl iron decreasing, and rise, and shear stress ( at ) induced by magnetic field of mrs declines, the shear rate corresponding to the maximum at ( " y max ) heightens, and the response time of a t shortens. with the content of dmf increasing, the size of carbonyl iron reduces so that a t of mrs enhances, and increases with h more rapidly and " y max heightens
隨著羰基鐵粒子碳化物含量的減少, 、增加,而mrs的磁致剪切應力下降,最高剪切速率_ ( max )增加,磁流變響應時間縮短;隨著dmf用量的增加,羰基鐵粒子的二次顆粒尺寸減小, mrs的增加,且隨外加磁場強度h增加的速率提高, _ ( max )提高。Pressure fluctuation time series in gas - solid fluidized beds contain many dynamic information, such as particle characteristics, operating conditions, bubble behavior. in the paper, nonlinear analysis is adopted and implemented so as to understand the fluidization from a new viewpoint in depth
氣固流化床壓力脈動時間序列包含了床層運動的許多動態行為信息,包括顆粒特性、操作條件,氣泡行為等,文中應用多種非線性方法來對其進行研究,以期能從新的角度來更深入地認識流態化規律。It was considered that, the substituted ti reacted with ni3al in - situ and a layer of mo solid solution was formed around the tic particles, which decreased the solid - liquid surface tension between ni3al - tic, leading to the decreasing of wetting angle
摻入mo後置換出的ti與ni _ 3al發生原位反應,在tic顆粒周邊形成一個含mo的固溶殼層,降低了ni _ 3al - tic之間的液-固表面張力,導致了接觸角的下降。A finite element analysis ( fea ) was eventually conducted, using mori - tanaka model and j - integral, to further explain the toughening mechanisms and fracture behaviour of the particle interleaved composites. the aim of the analysis was to examine the influence of the particle concentration and size, and the interaction between the particle and the crack tip. fea results indicate that interlayer zones can effectively lower j - integral and stress around the crack tip, and the high stress distribution in the region close to the interface can be the driving force for interfacial failure
本文的最後還藉助于有限元方法對層間增韌復合材料進行了宏觀和細觀斷裂韌性分析,基於mori - tanaka等效夾雜理論,計算了顆粒含量和尺寸對j積分的影響,有限元分析的結果同樣表明層間增韌可以有效的降低裂紋尖端應力水平,並暗示界面是可能存在的失效原因,所進行的數值分析起到了進一步支持和解釋增韌機理的作用。If we known radius distribution of media grains and add the thermal perturbation on the normal thermal gradient, thus it lead to unremitting the dynamics process of heat and mass transportation and chemical interaction in the area
並使用此模型研究了局部的溫度變化和顆粒半徑不均一分佈對研究區域內溫度場和濃度場的變化情況,其結論是它們之間的耦合可能打破系統的平衡,驅使系統長時間持續進行流體輸運反應動力學過程。分享友人