無變量體系 的英文怎麼說

中文拼音 [wúbiànliángtǐxì]
無變量體系 英文
invariant system
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 體 : 體構詞成分。
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  1. With 24 c or 4 c, the change trends of the content of the salidroside was basically consentaneous in the consecutive cultural eras of the callus. in the callus from the different explants, the influence was maximal to the the activity of pal enzyme and the influence was lowest to the the activity of ca4h enzyme, and the influence to the the activity of tal enzyme was ascertained according to the explant of the callus. so in the same explant with the different temperature or in the different explant with the same temperature, there was no incident between the content of the salidroside and the activity of enzymes pal, ca4h and tal, and we presumed that there may be emphasized particularly on different metabolic pathway of salidroside

    （ 2 ） 、愈傷組織的外植體來源、培養溫度條件和不同的繼代培養數都影響著其中紅景天甙的含量和苯丙氨酸解氨酶（ pal ） 、肉桂酸解氨酶（ ca4h ）和酪氨酸解氨酶（ tal ）這3種酶的活性；不管是葉來源還是莖來源，不管是24培養還是4培養的愈傷組織，在連續繼代培養中紅景天甙含量的變化趨勢基本上是一致的；無論是葉來源的愈傷組織還是莖來源的愈傷組織，培養溫度對pal酶的酶活性影響最大，對ca4h酶的酶活性影響最小，對tal酶的酶活性影響視不同的外植體來源而定；在相同外植體來源的愈傷組織中及不同的培養溫度的條件下，或是在不同外植體來源的愈傷組織中及相同溫度的培養條件下，其紅景天甙含量與pal酶、 ca4h酶和tal酶的酶活性之間沒有完全一致的對應伴隨關系。
  2. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。
  3. Based on plenty of domestic and overseas documentation and accurate data about social security, this thesis utilizes a number of research methods, such as analysis, induction, assumption, comparison and historical materialism, etc. in expounding the significance and methods of building up the legal system of china ’ s rural social security in an all - round way from the following four aspects of expatiating on the fundamental issues of social security and the evolution track of china ’ s rural social security, exploring the social and historical rootstock resulting in the long - term predicament encountered by china ’ s rural social security, analyzing the so - called social security function of rural land, demonstrating the significance and routes of building the legal system of china ’ s minimum living security and social endowment insurance for rural residents, so as to reveal that the social and historical rootstock resulting in the long - term predicament encountered by china ’ s rural social security lies in the long - term social structure system of compartmentation between urban and rural areas, which is typically characterized by attaching more importance to industry than to agriculture, drawing profits from agriculture to accelerate industry ’ s development, by studying historically the predicament encountered by china ’ s rural social security, to disclose the serious reality that currently most of farmers lack social security and indicate the great significance of building up the legal system of china ’ s rural social security by refuting the argument that rural land can provide social security function, to clarify the necessity and feasibility of constructing the legal

    本文運用了分析、歸納、假設、比較和歷史唯物主義等研究方法，藉助國內外有關社會保障方面的大量研究資料和翔實數據，從闡述社會保障的基本問題與我國農村社會保障制度的歷史演變軌跡、探詢長期造成我國農村社會保障制度困境的社會歷史根源、分析農村土地的社會保障功能以及論證構建農村居民最低生活保障法律制度與農村社會養老保險法律制度的意義和路徑四個方面全面論述了構建中國農村社會保障法律體系的意義和方法，目的是通過對我國農村社會保障困境的歷史性考察揭示造成我國農村社會保障長期積弱局面的社會歷史根源就在於我國長期實行的重工輕農、以農養工的城鄉分割二元社會結構體制，通過對農地社會保障功能觀點的批駁揭示當前廣大農民缺乏社會保障的嚴峻現實，指出構建農村社會保障法律制度的重大意義，通過對構建中國農村居民最低生活保障法律制度和農村社會養老保險法律制度的積極探索論證構建我國農村社會保障法律體系的必要性和可行性。總之，同是作為中華人民共和國公民，無論是農村居民還是城市居民都應該在社會保障方面享有同等的權利。國家不能人為地重工輕農、厚此薄彼。
  4. The first stage is primary slip then followed by secondary slip ; the last stage is due to dislocation passing the slips. the cyclic stress strain ( css ) curve exhibits a stronger hardening occurred in cyclic plastic deformation than that in tensile test

    建立了拉伸和應變疲勞的有限元模型，使用基於晶體滑移模型的數值方法，對晶體內部滑移系的啟動以及滑移繫上的分解切應變、切應力這些無法試驗觀測的變量進行計算，分析它們對晶體塑性變形的不同影響。
  5. In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples

    第二章在聲波動理論基礎上，詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式；根據fredholm積分理論，對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明；改進了chief法以提高其克服解的非唯一性的有效性和可靠性；對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究；開發了三次樣條改進chief法計算軟體，並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。
  6. The vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column is calculated with the method of separation of variables and method of images, it is pionted out that the vector magnetic potential of a system consisting a line electric current and a magnetic dielectric plane, an ideal paramagnetic column, a superconductor column, and a line electric current in homogeneous magnetic field can all be deduced from our calculation

    摘要用鏡象電流法和分離變量法計算了線電流與無限長磁介質圓柱系統的磁矢勢，指出線電流與無限大磁介質分界平面、線電流與超導體圓柱、均勻外磁場中有磁介質圓柱系統時的磁矢勢都可以由線電流與磁介質圓柱系統的磁矢勢的極限情形給出。
  7. In the present dissertation, five commercial metallic materials ? tungsten alloy ( 93w ), oxygen free copper ( ofc ), titanium alloy ( tc - t ), pure aluminum ( al ) and magnesium alloy ( mb2 ) were chosen as the composite system of the flier - plate with graded wave impedance, and their acoustic and mechanical parameters were measured. the thickness of each material was controlled so that flier - plates with a parabolic or cubic wave impedance distribution were designed

    依據實現準等熵壓縮和超高速發射對梯度飛片體系的理論要求，論文首先在一個較寬的波阻抗變化范圍內，確定鎢合金（ 93w ） 、無氧銅（ ofc ） 、鈦合金（ tc _ 4 ） 、工業純鋁（ al ）和鎂合金（ mb _ 2 ）五種綜合性能良好的金屬和合金材料作為波阻抗梯度飛片的復合體系，並測量了材料的相關聲學和力學參量。
  8. Abstract : an efficient parallel global router using random optimization that is independent of net ordering is roposed. parallel approaches are described and strategies guaranteeing the routing quality are discussed. the wire length model is implemented on multiprocessor, which enables the algorithm to approach feasibility of large - scale problems. timing - driven model on multiprocessor and wire length model on distributed processors are also presented. the parallel algorithm greatly reduces the run - time of routing. the experimental results show good speedups with no degradation of the routing quality

    文摘:設計實現了一個高效的線長模式下基於多處理機的并行總體布線器.通過對非時延驅動模式下串、并行演算法的總運行時間和求解時間的比較，表明該并行演算法能夠在保證求解質量無明顯變化的前提下大大加快總體布線演算法的求解速度.同時，也提出了基於分散式體系結構的并行總體布線演算法
  9. Organic bentonite - yh - 958 introduction : yh - 958 organic bentonite is the self - active organic bentonite. it can be added in every step of compounding paint, it no needs pre - gel or polar activator, it has perfect rheological, anti - settling and sag prevention. besides the characters of the other yh bentonite, yh - 958 function well in high gravity, low viscosity pigment solvent system

    Yh - 958和978產品是國內首創的自活化有機膨潤土，可在調漆的任何階段加入，無需預凝膠和極性活化劑，分散細度可在20um以下，可用於面漆和底漆，提供油漆體系理想的流變性能，控制沉降和流掛，除具備同類產品的特點以外， yh - 958在較少添加量，低粘度的高比重顏料體系中形成微弱的絮凝結構，防止顏料沉結
  10. Power transformer test is simulanted in test - room, try to prove that online measure of transformer test is feasible. the test results are satisfaction. in the end, there is software design : the instrumented - test - interface is developed ; location computer entering to sample state is the same time, and after the same " log time ", it stops the data sample note. every test signal data keeping in the data note memorizer is at the same time, so it realizes data synchronization collection. some blocking design in the process of software design can apply to the other software

    文章的最後，針對變壓器試驗微機測試系統對電流、電壓、功率等變量數據採集的特殊要求，分析了同步誤差的產生原因，給出了同步軟體采樣的無差條件；建立了電壓電流有效值和平均功率測量誤差的數學模型，提供了減小測量誤差的措施；應用「同步軟體采樣技術」 ，不需要增加采樣周期數，不需要硬體同步環節，較好地解決了同步誤差對測量精度的影響。
  11. Quantum information was originally investigated with the discrete variables ( dv ) and was recently extended to the continuous variables ( cv ) system in the infinite dimension hilbert space

    量子信息最早起源於研究單粒子分離變量系統，近期擴展到具有無限維希爾伯特空間的連續變量體系。
  12. The multi - purpose tester developed here is aim at testing the mechanics performance of the brittle material, which bases on modular design thought, it contains several modules as the machinery load component, platform of supporting, the function modules and the software system, they can be combined in different function modules to satisfies the need of different application situation. the tester can be used to measure not only general material properties such as elastic modulus, ultimate strain, strength, hardness and toughness, fatigue properties but also various special properties such as the local strength, and surface residual stress at the different location of the brittle component with non - destructive methods. thus the security and reliability of the brittle component can be evaluated and predicted

    本文基於模塊化設計思想，研製了一臺專門針對脆性材料力學性能測試的多功能脆性材料試驗儀，其主要包括機械加載模塊、支撐平臺、功能模塊、測控系統、軟體系統等模塊，通過對這些模塊的不同組合可實現不同的功能及滿足不同應用場合要求;系統除了具有測試脆性材料的彈性模量、極限應變、強度、硬度、韌性等常規性能外，還具有無損測試玻璃構件不同位置的局部強度和表面預應力，進而對玻璃構件的安全可靠性和壽命進行預測等功能。
  13. When change the component of adhesive its shear strength increased from 39. 3 mpa to 53. 5 mpa at room temperature and it have long - term usage at 180 with 25 mpa and can be served at 230 in short period. the addition of liquid rubber resulted in a 300 % increase in the peeling strength. the addition of polymer ether imide led to a 260 % increase in the peeling strength, a 15 % increase in shear strength and a 10 increase in tg ( tg = 195. 54 )

    研究結果表明： bmi dds e ? 51 tde ? 85組成的膠粘劑體系的室溫剪切強度為39 . 3mpa ，當改變環氧樹脂的含量時，剪切強度提高到53 . 5mpa ；用無規羧基液體丁腈橡膠改性環氧樹脂膠粘劑時室溫剝離強度提高3 . 0倍；用聚醚酰亞胺改性環氧樹脂膠粘劑，室溫剪切強度最高可達45 . 2mpa ，剝離強度提高2 . 6倍，玻璃化轉變溫度tg = 195 . 54 ，比未增韌體系提高10以上；碳纖維耐磨材料與同步器圓錐環的粘接實驗結果表明，膠粘劑的使用工藝性能良好，滿足室溫剪切強度30mpa和180剪切強度12 . 5mpa的技術要求。
  14. The physical and mathematical models are founded. numerical simulation of marangoni convection in the liquid bridge and gas channel was performed by employing the primitive variable method and using galerkin finite element method, which is applied for discretization of non - dimensional governing equations and boundary conditions. the relationship between the suppressing status of mc in the liquid bridge and the inlet gas velocity or the channel width is obtained, and the suppressing status of some kinds of marangoni numbers ( ma ) or size ratios of liquid bridge a is analyzed

    採用原始變量法，用galerkin有限單元法對無量綱控制方程及邊界條件進行離散后，數值模擬了微重力條件下半浮區硅熔體及氣體流道內的marangoni對流，得出了無量綱氣流沖刷速度及流道寬度變化和熔體內熱毛細對流抑製程度的關系，進而分析了不同的無量綱參數ma數和不同熔體幾何尺寸比a下熱毛細對流抑制情況。
  15. It is true in difficult cases, such as degraded dna or samples containing minimal amounts of genomic dna. to investigate the sequence diversity of mtdna in taiyuan han population, mtdna nt16081 - 16546 sequences were determined in 58 unrelated han chinese from taiyuan. sscp method was developed as one of screening measures which were used to examine polymorphism of mtdna, so as to supply a rapid and simple method for forensic casework

    方法隨機抽取58名太原地區漢族群體無血緣關系個體的靜脈血， edta抗凝，改良的tkm法提取mtdna ， pcr擴增、純化后，應用377序列分析儀進行直接測序分析；對毛發、指甲、骨骼等微量或嚴重降解檢材進行mtdna序列分析；採集同一屍體血液、肌肉、肝、腎、心肌、不同部位的毛乾等組織進行同一性檢測；對20個兩代家系進行突變觀察。
  16. This paper is focused on images watermarking algorithms. watermark casting operates in frequency domain, embeds pseudo - random sequence of real number in selected coefficients without image degradation. a blind watermark retrieval technique that can detect the embedded watermark without resorting the original image is proposed, so that the proposed techniques represents a major improvements to those relying on the comparison between the watermarked and original image, which is not practical for a huge image database

    本文主要研究針對圖像水印系統的演算法研究，採用偽隨機序列作為水印信號，利用變換域系數作為水印的載體，在不降低圖像質量的前提下達到嵌入水印的目的，在恢復水印的過程中無需原始圖像的參與，相比較那些需要利用原始圖像恢復數據的系統，文中所提出的方案更具有實用性。
  17. At the meantime, the rock mass may alternate between loading and unloading and it exists in certain kind of liquid, such as surface water, unconfined water, confined water etc for its intrinsic crannies. the practical rock mass concerned project must solve the key stability pr oblem after the understanding of the complicated mechanical characteristic and the deformation trends to guide the following project design and construction for the demand of security, economy, feasibility and validity. however, the intrinsic nonlinearness and complexity of the engineering rock mass become the main difficulty to predict the stability and deformation, the corresponding structure design must ensure enough safety with all the determinate or random force combination, so a model without the geometry distortion and constitutive equation warp is necessary to be built for the quantificational analysis of practical structure ' s stress, for the simulation of the real process and for the determinate evaluation system and optimization

    由於實際工程巖體其固有的非線性和復雜性，使得求解對應的諸如其穩定性、變形等問題面臨較大的困難，而有關的工程結構的設計必須保證該結構在外來因素的作用下具有足夠的安全度、經濟性和合理性，這必然要求對巖體及其工程結構的受力與變形有一套量化評判體系和優化技術，抓住實際工程問題的本質特徵並建立可行的符合幾何模擬、本構模擬、受力模擬、過程模擬四原則的求解模型，通過該模型的數值模擬成果來指導巖體工程的設計、施工及運營、管理；而巖體結構面的存在使得基於傳統連續介質力學理論的理論分析和數值模擬面臨巨大的挑戰，物理模擬的試驗周期和成本也大大增加，而巖土體工程問題則成為典型的數據有限、了解程度有限類問題，這類問題的解決需要綜合應用理論分析、經驗判斷、物理模擬和數值模擬等方法，數值模擬可以完成目前許多技術手段無法完成的實驗，如參數控制，復雜條件下的邊界條件的處理，同時數值模擬具有高可重復性，且數值模擬的成本和人力開銷等遠低於物理模擬，因此研究巖土體工程問題的流形元數值模擬方法是一項具有理論和實際工程應用價值的重要課題。
  18. Furthermore, we calculate the kinetic energy, the disorder energy of these systems and give a deep understanding of the thermodynamic characters of the finite systems. the mass ( charge ) distribution of fragments is also studied and the " exponents of power - law " at the " critical temperature " are obtained for a series of systems

    類比于熱力學中的一些思想，我們對于體系的無規能量（內能）以及體系的徑向運動動能等進行了研究，探討了體系在相變過程中的動能及內能的變化趨勢與規律。
  19. A useful technique has been provided and developed for the researching and analyzing the factors and variation of flow field in the intake duct of diesel engine. to find out a new method to measure flow measurement, different intake duct on different conditions are experimented and researched by real - time holographic interferometry. real - time holography interferometry has many characteristics, such as high precision, non - destructive, high contrast of interference fringes and full field test

    該方法具有精度高、非接觸、條紋對比度好、對被測物體形狀和表面無特殊要求的特點，實驗了對三維非定常流動過程的可視化實時採集，為了解和分析不同流量、不同結構參數下進氣道內氣流運動狀態和流動特性的變化關系及其影響因素提供了一種有效的測試手段。
  20. The relationship between the non - dimensional drag coefficient of sma plate face and time is presented, and the pressure distribution on and around the sma plate surface as well as the karman vortex configuration in the wake at a certain time are given

    給出了形狀記憶合金薄板表面的流體無量綱阻力系數隨時間的變化關系，同時給出了某一時刻薄板表面及其周邊的壓力分佈和薄板尾跡中的卡門渦街形態。
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