力學的飽和 的英文怎麼說
中文拼音 [lìxuédebǎohé]
力學的飽和
英文
mechanical saturation- 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...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 的 : 4次方是 The fourth power of 2 is direction
- 飽 : Ⅰ形容詞1 (吃足) have eaten one s fill; be full 2 (充實; 飽滿) full; plump Ⅱ副詞(充足; 充分)...
- 和 : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
- 飽和 : (在一定溫度壓力下, 溶液可含溶質的量達到最大限度, 不能再溶解, 泛指事物達到最高限度) saturation; saturated
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In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media
以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。In china, the low - technology - content plastic mechanical products are under a saturated, surplus state, while high precision, high efficient, and high - technology - content plastic mechanical products still require considerable investment and dramatic development. today most of such advanced products have to be imported and those large, medium - scale state - owned enterprises that can be matchable to oversea enterprises have difficulty in taking a step in severe market competitions. therefore, the state has to offer energetic supports in policy, especially in the policy of jointly developing products, so as to make full use of its resources advantages and accelerate the development of hi - tech products
我國的塑料機械產品結構應從兩個方面考慮:一是宏觀的產業結構,我國目前普通的技術含量低的塑料機械產品處于飽和和過剩狀態,而高精度高效率高技術含量的塑料機械還需大量的投入和開發,目前,這部分產品基本依賴進口,而有能力與國外抗衡的國有大中型企業在市場競爭中舉步維艱,因而需要國家在政策上給予支持,特別是在產學研聯合開發上應有相應的政策導向和優惠政策,充分發揮我國的資源優勢加快高科技產品的開發。The oval face was lengthened, his smiling mouth had assumed the firm and marked lines which betoken resolution ; his eyebrows were arched beneath a brow furrowed with thought ; his eyes were full of melancholy, and from their depths occasionally sparkled gloomy fires of misanthropy and hatred ; his complexion, so long kept from the sun, had now that pale color which produces, when the features are encircled with black hair, the aristocratic beauty of the man of the north ; the profound learning he had acquired had besides diffused over his features a refined intellectual expression ; and he had also acquired, being naturally of a goodly stature, that vigor which a frame possesses which has so long concentrated all its force within itself
他那橢圓形的臉已拉長了,那張含笑的嘴出在已刻上了顯示意志堅強而沉著的線條那飽滿的額頭上出現了一條深思的皺紋他的眼睛里充滿了抑鬱的神色,從中不時地閃現出憤泄嫉俗的仇和恨的光芒他的臉色,因長期不和陽光接觸,而變成了蒼白色,配上他那黑色的頭發,現出一種北歐人的那種貴族美他學到的深奧的知識又使他臉上煥發出一種泰然自若的智慧之光:他的身材本來就很頎長,長年來體內又積蓄力量,所以顯得更加身強體壯了。On the basis of analyzing the theory of crystallization and dynamics, the characterization of the saturated solution in the crystallizer is got
4在分析結晶機理與動力學的基礎上,總結了攪拌釜內飽和溶液的流場特點。This project mainly studies the effects of breathing 70 % oxygen on hemorheology after incremental exercise to exhaustion. the blood viscosity ( bv ), plasma viscosity ( pv ), erythrocyte aggregation index ( al and a2 ), erythrocyte deformability index ( tk ), erythrocyte rigid index ( vr ) and hematocrit ( hct ) were obtained and analyzed. the vo2 max, hl, hr and po2 were measured and analyzed quantitatively as well
本文觀察了一次性遞增負荷至力竭運動以及運動后吸入高濃度氧對血液流變性的影響,通過對運動后血液流變學指標與最大吸氧量、血氧飽和度、血乳酸、心率等指標作多因素相關分析,為運動影響血液流變學的原因和機制的研究提供一定的實驗依據。Chondroitin sulfate a ( c4s ), as a kind of endogenetic urinary macromolecule, not only increased the supersaturation of cac2o4 in solution, but also inhibited the two - dimensional growth and aggregation of com crystals. the growth of calcium oxalate crystals was influenced by surface pressure beneath dppc monolayer film. there were some crystals which have the same appearance as com crystals obtained from pure water system when monolayer surface pressure was hold 1, 10 and 30 mn / m while those growth at 20 mn / m were perfect orderly induced by dppc monolayer
生物大分子c _ 4s作為一種內源性的尿大分子,它不僅從熱力學上提高ca ~ ( 2 + )在尿液中存在的濃度,使體系中cac _ 2o _ 4保持較高的相對過飽和度,降低草酸鈣結石成核的可能性;而且在晶體生長時,抑制com晶體晶面的二維生長和晶體聚集。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。Saturated sand are testes in the laboratory under the undrained cyclic loading condition with static - dynamic dual purpose triaxial compression test apparatus, which is designed under the cooperation of hohai university and marui co. ltd japan. the results indicate that the stress path approaches from a initial stress point to the failure lines as cyclic loading goes on, and eventually converges on a certain limiting stress path in the vicinity of the failure lines. the stress - strain curve, however, does not converge on a closed hystersis loop ; the shear strain rapidly increases in looser sand or gradually and continually increases in denser sand
利用河海大學與日本圓井株式會社共同研製的新型的多功能靜動三軸儀進行了飽和砂土循環扭剪不排水試驗,研究表明,對于松砂,剪應變幅度快速地由微小增加到百分之幾甚至百分之十幾,對于緊砂,剪應變幅度逐漸地由微小增加到百分之幾甚至百分之十幾;經試驗初步研究表明用初始有效平均正應力歸一化的有效應力路徑很好的一致性。Featured by wide band gap, high breakage electric field, high electron mobility, low dielectric constant, strong irradiation proof and excellent chemical stability, silicon carbide ( sic ), viewed as one of the most promising wide band gap semiconductors, is widely utilized in optoelectronic devices, high frequency and large power, high temperature electronic devices
被譽為最有潛力的寬禁帶半導體材料一sic ,因其具有禁帶寬度大、擊穿電場高、熱導率大、電子飽和漂移速度高、介電常數小、抗輻射能力強、良好的化學穩定性等優異的特性,被廣泛地應用於光電器件、高頻大功率、高溫電子器件。Because in the drinking water has the slight pollutant content to be low, may use the ideal solution adsorption theoretical model ( iast ) to process, the result is satisfying, this model to studies the activated charcoal to add water has the slight pollutant the adsorption rule to have the extremely important guiding sensein addition, the solute measurement replacement adsorption model ( sdm - a ) also obtained to the above research system has imagined not the but actually result, namely appeared " v " the glyph extension broken line in adsorption isothermal chart
鑒于飲用水中三氯甲烷含量較低,採用理想溶液吸附模型( iast )來指導其吸附動力學的研究,結果令人滿意,另外,溶質計量置換吸附模型( sdm - a )應用於上述研究體系也取得了意外收獲。即在其吸附等溫線圖上出現了「 v 」字形的轉折線。該點對應飽和吸附量,可用來判斷單分子層和多分子層吸附的分界點。Fourthly, with the finite element program, the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure. this can provide appropriate parameters for the method of vibrating grouting. fifthly, adopting the compressible porous medium, the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface
基於連續介質力學的混合物理論建立的多孔介質理論和動力控制方程,假設砂土滿足各向同性並處于彈性小應變狀態,豎向振動力將在飽和砂土內部產生三種波,分析了這些波的彌散曲線和特徵衰減曲線,從波傳播的角度,研究了振動力參數和土性參數對振動范圍的影響。The oxidizing kinetics equations of different dipping time of dipping two kinds of phosphate saturable solution were determined. the influences of dipping time of dipping two kinds of phosphate saturable solution on antioxygen properties of sic kiln furniture were also studied. the effect of dipping two kinds of phosphate saturable solution were compared. both of their best dipping time were determined
探討浸漬兩種磷酸鹽飽和溶液次數對窯具材料結構和性能的影響,確定浸漬兩種磷酸鹽飽和溶液不同次數的氧化動力學方程,分析其對sic窯具材料抗氧化性的影響,比較兩種磷酸鹽飽和溶液的浸漬效果,並確定各自的最佳浸漬次數。With the consideration of the soil mechanics approach on the study of structural loess, the deformation and strength of natural saturated structural k0 - consolidated loess are studied in this paper when arrangement is the main factor
本文採用土力學方法研究黃土的結構性,研究當排列是影響黃土結構性的主要因素時,天然飽和結構性k _ 0固結黃土的變形和強度特性。These excellent abilities can be contributed to the mechanism of saturated chemi - sorption and self - limiting film deposition, which differs from traditional deposition technology
這些傑出的能力可歸功于跟傳統鍍膜技術不一樣的飽和化學吸附與自我限制的鍍膜機制。Based on the theory of modern foundation soil science and unsaturated soil mechanics, the author has tried to combine microstructure properties with macro - mechanical behavior of soil consistently. the strength and deformation properties of high - saturated soil have been investigated, and the constitutive model of the tamped soil has been built. these have not been reported in related literatures available, and thus are the innovation of this paper
以現代土質學、非飽和土力學理論為指導,將土的微觀結構特性與宏觀力學行為有機結合起來,研究強夯后高飽和度地基土的強度和變形特性,建立高飽和度地基土的本構模型,國內外尚未見相關文獻報導,這是本論文的創新之處。On the other hand, the influence of the solid wall on the saturation thermodynamic parameter of argon under microscale condition was studied. a potential function was introduced and the problem of collision between molecules of argon and molecules in solid wall were dealed with. it is concluded that : when the scale of fluid argon is only one or two om larger than the effective distance between the solid wall and the molecules of argon, the scale of fluid argon and the molecules of solid wall have remarkable effect on the thermodynamic saturated properties of argon
同時,本文還研究了在微尺度下固壁面對氬的飽和熱力學性質的影響,本文應用了一種氬分子與固壁面分子相互作用的勢函數,並研究了氬分子和固壁面分子相互碰撞的問題,研究表明:當氬流體的空間尺度只比固壁面對流體分子的有效作用距離大1 ~ 2個數量級時,尺度效應和固壁面分子的作用會影響氬的飽和熱力學性質。Disturbed state concept model for studying on mechanical characteristics of saturated cohesive soils
基於擾動狀態概念模型的飽和軟粘土力學特性In fact, tamped soil is compacted unsaturated silt. the traditional theory of saturated soil mechanics cannot satisfy the necessity of improved soil research. the theory of unsaturated soil mechanics provides the theoretical evidence for the research of engineering characteristics of the soil
實際上,夯后高飽和度地基土是擊實非飽和土,傳統的飽和土力學理論已不能滿足夯后地基土強度和變形特性的研究要求,非飽和土力學理論的發展為研究高飽和度夯后地基土的工程特性提供了理論依據。分享友人