速度飽和 的英文怎麼說
中文拼音 [sùdùbǎohé]
速度飽和
英文
velocity saturation- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 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
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
- 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
-
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。Changes of the longitudinal and transversal wave velocities in different directions and the rock velocity anisotropy as a function of confining pressure have been studied under laboratory ultrasonic frequency for shale and sandstone with marked foliation, which had been saturated by the fluids with different viscosity kerosene and vacuum pump oil and salinity distilled water, 50000
利用不同黏度煤油和真空泵油不同礦化度蒸餾水50mg l和150mg l的nacl溶液的流體對頁巖和具有明顯層理的砂巖進行飽和,在實驗室超聲頻率下研究樣品不同方向縱橫波速度以及各向異性參數Aiming at the non - linear links such as time lag, inertia, dead time and saturation within the turbine regulating system, a fuzzy - immune - pid control system was designed based on a mutative scale chaos optimization method, the principium of immune feedback system and the theory of fuzzy control
摘要針對汽輪機調速系統中存在的時滯、慣性、死區和飽和等非線性環節,採用模糊控制理論,結合免疫反饋機理,設計了基於變尺度混沌優化策略的模糊免疫pid控制系統。Experimental study on two - phase velocity field in counter - flow spray saturator
逆流噴霧式飽和器內兩相速度場的實驗研究The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size
實驗發現含水率對波速影響比較大,飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度;人工預制裂紋對聲波傳播速度影響不大;單軸壓縮條件下,聲波傳播速度隨應變增加逐漸降低;在同一溫度( 160 )下,波速隨保溫時間的增加而逐漸降低;在對巖樣逐漸加熱情況下,初始加熱階段波速略有升高,當溫度達到60時,巖樣波速達到峰值,之後隨著溫度繼續升高其波速逐漸下降;波速隨溫度變化具有一定的尺寸效應。Darcy's law can be applied to unsaturated flow subject to certain restrictions on seepage velocity.
達西定律也適用於滲透速度有一定限制的非飽和水流。Characterized by wide band gap, high breakage electric field, high thermal conductivity, high saturated electron mobility, cubic silicon carbide ( 3c - sic ), considered as one of the most promising wide band gap semiconductors, is widely utilized in high temperature, high frequency and large power semiconductor devices
3c - sic被譽為最有潛力的寬禁帶半導體材料,具有帶隙寬、臨界擊穿電場高、熱導率高、飽和電子漂移速度大等優點,是高溫、高頻、高功率半導體器件的首選材料。The influence of different gypsum on strengh of portland - sulphoalminate composite cement system is complicated, related with aluminiferouse mineral in cement system and the so4 ( superscript 2 - ) concentration of its hydrated solution ; in distilled water and maximum lime wash, the dissolution rate of dihydrate gypsum is higher than that of anhydrite but the dissolubility is lower
石膏品種對硅酸鹽硫鋁酸鹽復合體系水泥強度的影響較復雜,與水泥體系中含鋁礦物及其水化溶液中so4 (上標2 - )離子濃度有關;在蒸餾水和飽和石灰水中,二水石膏的溶解速度比硬石膏快,溶解度比硬石膏低。Assess client ' s circulatory status, including apical pulse, electrocardiogram ( ecg ) report, and peripheral pulses
評估病人呼吸系統狀況,包括呼吸特徵與速度,氧飽和度,平臥呼吸能力及胸片。The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,
基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。The main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus
地震波速法檢測路基擋墻強度,研究的主要內容有:片石巖性和強度及塊體形體對波速的影響;水泥砂漿強度對墻體波速的影響;擋墻整體強度和完整性的評估標準。應用彈性波速度對擋土墻石材、砂漿強度、砂漿飽滿度及擋墻類型的不同反映,在室內外模型試驗和現場生產試驗的基礎上,提出了一種正確的無損檢測法,可以正確判別漿砂片石擋墻墻身的完整性。The author successfully simulated the rapid sliding of avalanche soils on mild slope with saturated soils in flume experiments, and the longest distance that avalanche masses can move was studied
通過水槽實驗,對崩塌土所能到達的最遠距離進行了研究,成功地模擬了崩塌塊體在飽和度較高的緩坡上快速滑行的現象。Comparing with full light treatment ( control ), tr, gs, wue and light saturation point were significantly decreased, ci was increased by shading. so far as curve of light response, seedlings of 2 tree species represented higher photosynthetic capability under shading treatments in the ranges of low light
和對照的全光照處理相比,遮蔭處理顯著地降低了多脈青岡和金葉含笑的蒸騰速率、氣孔導度、水分利用率和光飽和點,細胞間隙co _ 2濃度在遮蔭條件下顯著上升。The fact that wave velocity in quasi - saturated soil is equal to that of fully saturated soil could not be calculated by effective fluid compressibility or explained by unwell - distributed saturation. we account for this in a new reasonable way which was based on kuster scattering effect analysis
( 8 )根據kuster散射波理論,計算了飽和度大於85的準飽和土體的彈性波速,其結果與試驗非常吻合;但是,通常所用的等效孔隙流體壓縮系數的方法所計算的結果與實驗結果差別很大,對此,筆者給予了一定的解釋。Hfets ( doped channel ) : concept ; i - v model including velocity saturation ; gate 2 characteristics ; output conductance ; applications of strained layers
基本概念,電流-電壓模型,其中包括速度飽和,閘極特性,輸出電導,應變層的應用。Subsequently, the binding of ( 35 ) ~ s - cam and a. thaliana protoplasts were processed, including association, dissociation, competitive and saturation analysis. the results show the binding of ( 35 ) ~ s - cam and protoplasts is rapid, reversible, saturable and sensitive to proteinase ; otherwise the specificity of binding was assessed with different competitors. k _ ( d ) of 9. 2 nm and about 25, 000 binding sites per protoplast were gained through saturation analysis
隨后,對~ ( 35 ) s - cam和擬南芥原生質體的結合進行了受體學分析,包括結合、解離、競爭性和飽和分析,結果顯示~ ( 35 ) s - cam和擬南芥原生質體的結合具有結合快速性、可逆性、競爭特異性和濃度飽和性,從飽和分析可以得出k _ d約為9 . 2nm ,每個原生質體表面大約含有25 , 000個結合位點,並且其結合對蛋白酶敏感。The degradation and lifetime model is deeply discussed, dynamic and static stress suffered by devices and circuits are compared and analyzed. a modified model for lc is proposed for better fitting the experimental data and the substrate current model parameters eerit and lc, degradation parameter h, m, n are extracted by the static stress experiment results
詳細分析討論了mosfet的壽命與退化模型,並對電路中器件所受的動態應力與直流靜態電應力進行了分析比較:根據實驗結果改進了有效導電長度l _ c模型;應用直流電應力實驗數據進行了襯底電流模型中載流子速度飽和電子科技大學博士論文臨界電場e ; 、有效導電長度lc以及退化參數h 、 m和n的提取。And the effects of liquefaction sand soil on surface ground motion are investigated for considering the thickness 、 depth 、 width of the liquefied sand layer and the input earthquake wave
主要分析了飽和液化層厚度、飽和液化層埋深、土性參數和輸入地震波等因素對地面加速度反應譜的影響。分享友人