conservative system 中文意思是什麼

conservative system 解釋
守恆體系
  • conservative : adj 1 保守的,守舊的;有保存力的。2 〈C 〉 保守黨的 (opp Liberal Radical)。3 穩健的;(估計等)...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. In spite of their unitarian proclivities and their masks of conservative broadmindedness, they were two generations behind interpretative science : their mental processes were mediaeval, while their thinking on the ultimate data of existence and of the universe struck him as the same metaphysical method that was as young as the youngest race, as old as the cave - man, and older - the same that moved the first pleistocene ape - man to fear the dark ; that moved the first hasty hebrew savage to incarnate eve from adam s rib ; that moved descartes to build an idealistic system of the universe out of the projections of his own puny ego ; and that moved the famous british ecclesiastic to denounce evolution in satire so scathing as to win immediate applause and leave his name a notorious scrawl on the page of history

    盡管他們傾向于唯一神教,戴了一副具有保守開明思想的面具,實際上他們已落後于解釋世界的科學兩代之久。他們的思想還處在中世紀階段。同時,他也感到,他們看待生命和宇宙的終極事實的方法還是形而上學的,那種看法阻地球上最年輕的種族的看法一樣幼稚也跟穴居人的看法一樣古老,甚至更古老那看法使第一個更新世的猿人害怕黑暗使第一個匆促的希伯來野蠻人用亞當的肋骨造成了夏娃使笛卡爾通過反射渺小的自我建立了唯心主義的宇宙體系使那有名的英格蘭傳教士用尖刻的諷刺來譴責進化論,並立即博得了喝彩,從而在歷史的篇章里草草留下了一個臭名。
  2. Within the frame of the abcd formulation of propagator of a time - dependent quantum system, the abcd law is extended to the so - called effective abcd system which effective beam quality factor is conservative ; we discussed the system like the propagation of the atom laser beam

    如果考慮原子激光內部原子間相互作用的影響,就要引入描述原有品質因子和原子間相互作用綜合作用效果的物理量? ?有效品質因子和有效復數曲率半徑,利用heisenberg圖像得到傳播子的有效abcd形式。
  3. The equation for the quasi - continuous atom laser beam wave - function is given by schrodinger equation, the beam width, divergence curvature radius and quality factor were introduced to represent the atom laser beam whose transverse potential could be separated. for the conservative quality factor system in some direction, we can ge t the propagator of abcd formulation

    本文在含時量子系統傳播子的abcd形式理論的基礎上,引入某一方向的束寬、發散角、曲率半徑和品質因子等光束傳輸參數來表徵橫向勢能滿足x和y分量相互獨立的原子激光的傳輸。
  4. On the basis, the effect of different factors such as the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed

    此外,採用線彈性方法,就拱的吊桿的非保向力效應、橋面系的剛度、橫撐布置形式、拱肋側傾角等因素對該橋整體穩定性的影響展開探討與研究。
  5. The software ansys6. 0 is used to analysis the stability of the state after construction of tongwamen bridge, linear method is used in analyzing the finite element model of the bridge, the coeffient of stability of different state after construction is given. on the basis, the effect of different factors such as the arrangement of lateral brace, the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed. the different coefficients of stability of changing these factors are given, so the factors that are vital to the lateral stability of x - type arches are found, and the rationality of the methods taken to enhance the lateral stability of tongwamen bridge is evaluated

    本文應用有限元分析商業軟體ansys6 . 0 ,採用線彈性方法,通過對該橋的空間有限元模型進行穩定性分析,得出其成橋運營階段各種工況下的穩定安全系數。在此基礎上,本文還通過有限元模型分析,就拱的矢跨比、吊桿(立柱)的非保向力效應、橋面系的剛度、橫撐布置形式、拱肋側傾角等因素對該橋整體穩定性的影響展開探討與研究。文中給出了各因素變化情況下的穩定安全系數,指出了對鋼管混凝土提籃拱橫向穩定性有顯著影響的因素及其合理變化范圍,並對銅瓦門大橋提高橫向穩定性的措施的經濟合理性進行了分析。
  6. This article mainly analyzes several factors, such as the complexity of information resources integrity, information islands, staggered system of organization and conservative management measures

    本文重點分析了信息資源整合本身的復雜性、 「信息孤島」現狀、 「條塊分割」的管理體制以及落後的管理方式等因素對政務信息資源整合的影響。
  7. The conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    常規變結構控制用於不確定系統,須利用不確定性界確保系統的魯棒性,控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾,利用時延技術對干擾進行在線估計,並將估計值引入到變結構控制中,從而抵消掉系統中的慢變不確定性,利用離散趨近律法,推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制,且不必滿足匹配條件,用較低的控制增益保證了系統的魯棒性,降低了準滑動模態帶即削弱了抖振
  8. Abstract : the conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    文摘:常規變結構控制用於不確定系統,須利用不確定性界確保系統的魯棒性,控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾,利用時延技術對干擾進行在線估計,並將估計值引入到變結構控制中,從而抵消掉系統中的慢變不確定性,利用離散趨近律法,推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制,且不必滿足匹配條件,用較低的控制增益保證了系統的魯棒性,降低了準滑動模態帶即削弱了抖振
  9. In this dissertation, the experimental study of rolling condition on two - phase flow instabilities of the forced - single - tube circulation system was carried out. furthermore, based on the d - partition method and the hypothesis of drift flow model, given some conservative equation, using the perturbation method the response of the pressure drop of the tube to the inlet flow rate perturbation was analyzed both in rolling condition and in normal upright position

    本文主要通過實驗對搖擺條件對單管強迫循環中汽液兩相流動不穩定性的影響,同時在d分區法的前提下,在兩相區基於漂移流模型,一定的守恆條件下,在搖擺和不搖擺工況中用線性小擾動法對實驗段的壓降對入口流速的擾動的響應進行了分析。
  10. The main restrictive factors to the development of sports industry in shanxi province are the underdevelopment of economy, incomplete policy and regulation, unsuitable managing system, conservative traditional consumption concept and lack of managing personnel

    制約陜西省體育產業發展的主要因素是經濟不發達,政策、法規、制度不健全、不規范,管理體制不適應體育產業的發展,缺乏體育產業經營人才等。
  11. The model of electronic circuit is described by a piecewise - continuous concatenation of a dissipative map and a conservative map, which is addressed as a " semi - dissipative system "

    帶耗散性元件的過電壓保護電路模型由一個保守映象和一個耗散映象耦合而成的分段光滑映象描述,我們稱該系統為「半耗散系統」 。
  12. We suggest to study a special kicked rotor moving in a piecewise continuous force field. when adjusting a control parameter the system displays a transition from conservative to quasi - dissipative, and a change of a stochastic web formed by the set of the images of the discontinuous borderlines to a transient stochastic web

    它在一個控制參數連續改變時可以演示從分段連續保守系統向類耗散系統的連續過渡,從而展現不連續邊界象集隨機網向一個瞬態隨機網,以及網上的無邊界混沌擴散運動向局域規則運動的轉變。
  13. The former expresses recombinant proteins with a 6xhis tag at n - terminal. the fore mentioned four fragments were all used for expression in this system and the mature protein and the conservative domain were effectively expressed while the expression of the other two was unobvious

    前者表達n ?末端加6 his標記的融合蛋白,克隆到的4個基因片段均進行了表達,其中成熟肽和活性區域得到了大量表達,蛋白全長和末端缺失片段表達不明顯。
  14. When this spirit reflects to the concrete system of the duty of board director, it really has many limitations, compared with those of other countries, it also has some conservative places. not only its duty but its law clauses are all blank, too inattentive and lack of the operability. the form is nominal as well, which makes difficult to give full play to deter board director. resolving this problem, we should fix attention to the demand of the modern market economic system, reflect its request and set up the overall situation idea with a sense of transcending before period

    這一精神反映到具體董事義務制度的設計上,難免帶有一定的過渡性和時代局限性,同當代各國通行的做法相比,也有較為保守的地方。表現為有關董事善管義務幾乎空白,董事的忠實義務的法律條文過于粗疏,缺乏操作性,形同虛設;致使該制度在實踐中難以發揮其對董事的威懾作用。在解決這一問題時,必須著眼于現代市場經濟體制的需要,反映市場經濟的要求,樹立全局觀念和超前意識。
  15. Natural autoantibody ( naa ) refers to antibodies that are present in the surum of healthy individuals in the absence of deliberate immunization with the targeted antigen. previous studies have showed that human immunity system includes a huge and complicated autoantibody repetoire. to date, several hundred naa have been found and proved to exist in normal individuals, including autoantibody targeted rbc, mhc, dna, transferrin, keratin, diphosphatidyglycerd, idiotype of igg, etc. naa, characterized by binding to various and nonspecific antigen, reacting rapidly, keeping conservative relatively, has been widely claimed to be an important constituted component of innate immunity. lt was proposed that the production of naa was related to positive selection of b lymphocytes

    對naa的研究表明,健康人體免疫系統中存在著一個龐大而復雜的自身抗體網路。包括抗角蛋白自身抗體( antikeratinautoantibody , akautoab )在內,迄今已經發現並證實的naa有數百種,如抗rbc 、 mhc 、 dna 、轉鐵蛋白、脂類和多糖的抗體以及jerne免疫調節網路中的抗獨特型抗體( anti - idiotypeantibody )等。由於個體出生即有naa ,且naa具有作用范圍廣、沒有特異的選擇性、反應出現快、有相對的穩定性等天然免疫的特點, naa被認為是天然免疫( innateimmunity / naturalimmunity )的重要組成部分。
  16. A poll published in the conservative le figaro newspaper showed the majority of french believing efforts to reform the pension system is risky, but that it ' s also a good idea

    保守派費加羅報刊登的民意測驗顯示,大多數法國人認為其養老金系統改革之舉有風險,但卻也不失為一個好主意
  17. By means of an integral expression of non - linear dynamics equation an explicit precise integration algorithm with four order accuracy and self - correct and self - starting to solve this equation is given. this method is adapted to solve the non - conservative system with multi - dof and strong nonlinear. the non - linear dynamic equations are divided into some blocks or groups

    給出了求解非線性動力學方程的精細積分表達式,利用插值近似該方程的非線性項,得到一個具有四階精度並且是單步顯式、自起步、預測-校正的lagrange (或hermite )插值精細積分演算法,適于強非線性、非保守系統。
  18. When we research the chaotic character of conservative system in classical mechanics, the easiest and most effective method is the poincare surface of section ( pos ) of the orbits in phase space which abide by the classical hamiltonian

    人們研究經典保守系統的混沌特徵時,最簡便有效的方法是計算相空間軌道的龐加萊截面。
  19. In order to form a chloroplast transformation system of d. salina, we have conducted some studies including its sensitivity to antibiotics, the activity of promoter, cloning of the chloroplast genes and construction of transformation vectors, so far a pilot transformation system of the d. salina chloroplast has been completed. methods : the sensitivity of d. salina to seven antibiotics or herbicide used commonly in gene engineering was studied and the biological activity of atpa promoter from c. reinhardtii chloroplast was tested by using enhanced green fluorescent protein ( egfp ) as a reporter. primers were designed in the conservative encoding regions according to the chloroplast genomes from four algae which have close genetic relationship with d. salina, and the sequences of 16s rrna, chll and chln of d. salina chloroplast were cloned and sequenced, respectively

    方法:根據杜氏鹽藻的近緣藻類的葉綠體基因組序列資料,在基因編碼區的高度保守區域設計引物,克隆了杜氏鹽藻葉綠體165識na基因、咖l基因和ch n基因,並分別以165識na基因和chln基因序列為同源片段,以cat和bar基因為篩選標記基因構建了三套杜氏鹽藻葉綠體轉化載體: 2鄭州大學2003年博士學位論文杜氏鹽藻( d ~ iiellasalina )葉綠體轉化研究pds165一eaf 、 ptn1269一bar和psp72一5一bar一3 ,用基因槍法轉化杜氏鹽藻,初步建立起杜氏鹽藻葉綠體轉化體系。
  20. In this paper, by using the collecting method that was put forward by hu haichang, from basic equations of elastic mechanics, the right expression of the least complementary principle is derived, the author points out that the least complementary principle of conservative system does not include volume force terms

    本文應用胡海昌先生提出的湊合法,從彈性力學的基本方程出發,推導了最小余能原理的正確表達形式,指出對于保守系統最小余能原理不包含體積力項。
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