等速率 的英文怎麼說
中文拼音 [děngsùlǜ]
等速率
英文
speed; uniform-
In this dissertation, refining grains, depositing conductibility carbon film on the surface of the particles and doping mg ~ ( 2 + ) into the lattice of lifepo4 were adopted to improve the electro - chemical performance of the cathode material. the cathode material lifepo4 mainly has two flaws, the low conductibility and the slow li + ion diffusion, which have a bad influence on the performance of the cathode material
論文主要針對制約正極材料lifepo _ 4性能的兩大致命的缺點，即低的電子導電率和低的鋰離子擴散速率，採取材料顆粒的細化、顆粒表面沉積碳導電層以及mg ~ （ ~ （ 2 + ） ）離子摻雜等措施對其進行改性探索，以提高正極材料lifepo _ 4的電化學性能。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。Presents the energy saving principle of a frequency - controlled pump and points out the applicability of the law of similitude for centrifugal pumps and the conception of constant efficiency curves
摘要闡述了循環水泵變頻調速的節能原理，提出離心水泵相似定律的適用性和等效率曲線概念。By taking advantage of computer technology the main parts of the reducer - epicycloid groove, hypocycloid groove, steel ball and output mechanism are shown and emulated. the motion of the drive is also demonstrated. the paper mainly concludes the following works : at first, the meshing efficiency of the drive is studied and analyzed in theory according to the constituted construction and the drive principles
在對其傳動原理及結構進行分析的基礎上，對該傳動的嚙合效率進行了深入研究，並針對該傳動的整體尺寸進行了參數模糊可靠性優化，進而利用計算機技術，對該傳動的主要零件? ?內、外擺線盤和等速輸出機構進行了三維建模模擬，演示了該傳動的運動情況。When the specimens are deformed in a long time at the optimal superplastic deformation condition, the microstructure is coarsened sharply. if the deformation time is shortened properly or the deformation temperature is decreased appropriately or strain rate is increased, homogeneous and fine equiaxed crystal microstructure can be obtained
在最佳超塑性條件下長時間變形時，合金顯微組織將發生明顯粗化，適當縮短變形時間、或適當降低超塑變形溫度及提高應變速率，可得到均勻細小的等軸組織。Influence of process parameters on the etching rate in inductively coupled plasma etcher
等離子體刻蝕中工藝參數對刻蝕速率影響的研究The solicitation, development and rupture of craze in exiguous hierarchy play a connective work in the course of polymer ' s damage and rupture. it is a bridge in distortion mechanism of macroscopical and microcosmic
大部分高聚物的力學性能依賴于溫度、持荷時間、加載速率和環境等因素，其中，溫度和時間的依賴性尤為顯著。Benthic foraminifer fauna, ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea. considering the results of core qc2 ? dz4 and the standard oxygen isotope curves, we discussed the late - quaterenary paleo - environment evolution, benthic foraminifer fauna, paleo - climate, the climate events and water mass in postglacial period, average sedimentation rates, paleo - water depth, origin of sediments, average sea level rise rate in the shelf of south yellow sea and east china sea. at last we discussed the condition of sea level rise in the east china, green house effect and the protection of coastal zone
本文根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ （ 14 ） c測年、淺地層剖面等，參考qc _ 2 、 dz _ 4成果及標準氧同位素曲線探討了黃東海陸架晚第四紀古環境演化、底棲動物群特徵、古氣候、冰後期以來氣候事件、古水團、沉積速率、古水深、沉積物源、海平面平均上升率，討論目前中國東部海平面上升的狀況、溫室效應及海岸帶保護。The research of gibbs free energy, critical nucleus radius, nucleation rate of homogeneous nucleation " and heterogeneous nucleation shows that the main reason decreasing solution stability is heterogeneous nucleation
通過分析非均相成核與均相成核的臨界成核半徑、臨界晶核形成功、成核速率等，說明降低溶液穩定性的主要因素是非均相成核。Chapter five describe the real example of the project of dwdm. related with the project of the east - north loop of fiber transmission system, research the layout of the network, analysis the performance of the transmission and bring out the frondose project of construction, inculde the number of the wave length, the speed of the transmission, the style of he fiber etc. chapter six is the summary of the article
第五章是dwdm技術在通信工程建設中的實際應用，本論文以作者參與的一項具體的工程設計? ?中國移動集團公司建設的東北環光纜傳輸工程中dwdm技術的運用為實例，根據預測業務發展的要求，從傳輸性能的分析，到網路的規劃，技術上的實現，提出了其具體的建設方案，包括波長數目、傳輸速率、光纖類型、光復用段、設備制式等。Through the analysis of the deduction process of harmonic function model, it is illustrated that some hypotheses in the deduction process are unreasonable and the harmonic function can not reflect the objective regularity of the vertical crust movement, so that it isnt an effective method to compile isoline map of the vertical crust movement rate
對有關文獻提出的「地殼垂直運動調和分析」模型的建立過程作了全面分析，指出：該模型建立過程中所做的一些處理是不合理的，由此建立的模型不是地殼垂直運動規律的客觀反映，因而尚不足以成為編制地殼垂直運動速率面等值線圖的可靠手段。It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results
對于復雜的非線性導彈制導系統，很難求得其解析的最優制導律，只能求得開環的數字解，不能適用於具有時變不確定性的導彈制導系統.利用神經網路的學習和推廣能力，對開環的數字最優制導律進行離線的學習，作為閉環的神經最優制導律在線應用.研究分別選擇系統狀態變量和視線角速率等不同的神經網路輸入對制導系統性能的影響，以及各種制導律的魯棒性問題，並採用模塊化神經網路結構提高神經網路的學習和推廣能力，模擬結果得到一些有益的結論The temperature rise at the center of a massive concrete wall is calculated by using the adiabatic rise of temperature and heat conduction equations of concrete based on the equivalent time, and considering effects of temperature on the hydration heat reaction ratio and creep characteristics of early - age concrete
摘要基於等效時間的混凝土絕熱溫升、熱傳導方程，考慮溫度對早期混凝土水化熱化學反應速率和徐變特性的影響，計算了大體積混凝土墻中心的溫升。On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element
本文正是在銀河系化學演化的基礎上，利用銀河系的三成分（ threezone ） （即暈、厚盤和薄盤）多相（ multi - phase ） （氣體，分子云，大、小質量恆星以及剩餘物質）的化學演化的理論模型，通過與觀測約束（質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等）的比較，來檢驗模型的合理性。Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed
分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用More to the point, though, is that as polarstern pursued its mission during the summers of 2002 and 2005, the rate at which new isopod species were discovered did not decline
更能說明問題的是，盡管極地號是在2002年夏天到2005年夏天這段時間執行的任務，但發現新等足類動物的速率在這之後並沒有下降。And a back - of - the - envelope calculation based on the 1. 8m sorts of organism recognised so far as species under the linnaean system, on the rate at which new species are being discovered and on such ecological matters as the average number of parasites ( themselves new species ) that each free - living species harbours, suggests the final total may be around 30m
一個以三部分，即：在林耐分類系統中迄今為止被認定是物種的180萬種微生物、新物種的發現速率和諸如在每個獨立生存的物種中藏匿的平均寄生蟲數量（它們本身也屬于新物種）等生態因素，為基礎的估算表明全球物種的總數是在三百萬左右。A co2 laser with the optimized resonator is made and to be proved by experiments. this dissertation focus on the following problems : the kinetics process of the cvl and the co2 laser, the rate equations for the laser level population, electron temperature and electron density
本文的重點是：闡述清楚銅蒸汽激光和二氧化碳激光的動力學過程，定量描述激光能級的粒子數速率方程、電子溫度和電子密度等速率方程Thought the pan evaporation, it has been found that the evaporation of shengli crude oil is controlled by the first step and the effect of wind velocity is small. the prediction equation is dw / dt ^ k d ? 2 a ju, y hct / t, which is related with the liquid characters and states ( e. g. thickness, area, viscosity ) and is independent of wind speed
2 、實驗結果表明，勝利原油蒸發由第一步即蒸發由液體內部易揮發組分向液體表面的遷移來控制，因此風速影響很小，建立速率方程時不必考慮風速，只需考慮液體本身的性質和狀態（如厚度、表面積、粘度等） ，速率方程可寫為： dw dt = kd4 ? 』 a嚴t 。Tools for pressing - precompressed assemblies for medium rate - general specifications
沖壓機.中等速率用預壓組件.總規范分享友人