decreasing series 中文意思是什麼

decreasing series 解釋
遞減級數
  • decreasing : 遞減
  • series : n 〈sing pl 〉1 連續；系列。2 套；輯；叢刊；叢書。3 【生物學】區；族。4 【植物；植物學】輪；列；...
  1. We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center

    我們分別以苯、二苯乙烯、噻吩為中心，氨基、二苯氨基和二乙氨基為電子給體，硝基為電子受體組合形成的分子為研究對象，在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度，重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明，分子長度與單光子吸收強度之間有密切關系，而在雙光子吸收中這種關系較弱；中心在雙光子吸收中具有重要的作用；在中心和受體一定的情況下，增加給體的供電子能力，可提高雙光子吸收強度。
  2. The 35n12 series products ( commonly called as widenning 153 ) are the alloy gray casting iron brake drum that our company and bridge limited company of the east windmill jointly developed, it has such a series of superior performance as wear - resisting decreasing, heat resistant splitting, high strength, balances well, dispels the heat fast, longe - livedding, etc., formed a complete set extensivly and original packaging on a lot of domestic famous luxurious motor buses ( the occupation rate of market above 70 % ), for example it is gold for dragon, the coherent in space, ann triumphant, fei shen, daewoo, the capital, tai hu, it is the wild for japan, in majestic, the changjiang river, explaining fertile

    35n12系列產品（俗稱加寬153 ）是我公司與東風車橋有限公司聯合研製開發的合金灰鑄鐵制動鼓，它具有耐磨損、抗熱裂、高強度、平衡好、散熱快、壽命長等一系列優越性能，被廣泛原裝配套于國內許多著名豪華大客車上（市場佔有率在70 %以上） ，比如金龍、宇通、安凱、沈飛、大宇、京華、太湖、日野、中威、長江、申沃等。
  3. The method of bispectrum can extract characteristic of seismic series bispectrum and detect fracture zones by decreasing dimensions

    雙譜法通過採用模式識別的方法對地震序列的雙譜提取特徵，通過降維實現裂縫發育帶的檢測。
  4. Referring to the achievements of conservation tillage on dry land farming, there is a series of work to be done to develop new tillage techniques to adapt to double cropping system of wheat and maize in shandong province. such work includes controlling the combine traveling along the line, return the stalk to the field after chopped, subsoiling being done in maize ' s growing stage. the advantage of subsoiling is to make the soil inter placed with soft and hard strips, which is good for decreasing runoff and vaporizing, and retaining rain

    1 、保護性耕作條件下，普通小麥條播機的播種質量較差，小麥的田間出苗率比傳統耕作低9 . 3 ；保護性耕作小麥冬前地上部分的生長狀況也較傳統耕作小麥差；由於根系的生長條件較為優越，保護性耕作的小麥的根系生長旺盛、分佈廣，越冬後有利於小麥的地上部分生長，大量發生春季分蘗和次生根，幼穗強烈分化，表現出較傳統耕作小麥強的生長優勢，產量提高6左右。
  5. The study shows that the early and late seed rains of constructive tree species in evergreen broadleaved forest at chongqing simian mountain had no activity. the bigger the seeds of the species and the earlier or later the seeds of the species matured, the higher the proportion of the seed rain damaged by animals. the quantitative variation of seed rain, active seed rain and seed bank did not take place at the same time. at early time, the number of seed banks of castanopsis fargesii, lithocarpus glabra, quercus myrsinrefolia, castanopsis plasyacantha, cinamomum subavenium. which own more active seed rain increased by geomitric series. the seed banks of castanopsis orthacantha and schima argentea were small, only survived a short time, and did not sprout next year. the quantitative dynamics of seed banks and their increasing or decreasing rates were decided by the proportion damaged by animals, dying speed of seeds and their resistance to pathogens and adverse circumstances, and the state of seed germination

    對重慶四面山常綠闊葉林建群種種子雨、種子庫的研究表明，建群種早期和晚期的種子雨無活力;種子偏早或偏晚成熟及大籽粒的樹種，其種子雨被取食的比例大;種子雨、有活力種子雨、種子庫三者的數量變化不一致;有活力種子雨量較大的栲、石櫟、小葉青岡、扁刺栲、香桂等，其種子庫密度在早期以近幾何級數的方式增長，元江栲、銀木荷種子庫小，存在時間短，翌年無一年生萌發苗;種子庫數量動態、消減率動態決定於種子被取食的強度、種子衰老的速度以及種子對病菌、逆境的抗性和種子萌發的整齊性
  6. Abstract : in this paper, two tests are described on air leakage of sinter machine in 2 sintering plant of xiangtan iron and steel co. according to the test results, on the base of analysis and discussion, a series of measures on decreasing air leakage of sinter machine are putted forwored from sealed devices, lubricating oil system, maintenance and management etc. an effective and feasible way is supplied for energy saving and increasing production, decreasding production cost, increasing economy benefit of sintering process

    文摘:通過對湘鋼二燒燒結機漏風率的兩次測試和結果分析，從密封裝置、潤滑系統、附件結構的改進等方面提出了一系列降低漏風率的對策，為燒結工序的增產節能，降低生產成本，提高經濟效益提供了一條行之有效的途徑。
  7. And then, thesis explicates the reasons of the difference from five aspects including natural resource, area conditions, labor conditions, technical conditions and industry structure. furthermore, the thesis points out that the sustainable utilization of natural resource, the adjustment of labor structure, improvement of labor qualities, the employment of advanced science and technology and reasonable industry structure are critical to the improvement of rural economy ' s integral, power and comprehensive competition. at last, this thesis puts forwards a series of policies and countermeasures, such as accelerating urbanization of villages of villages to develop increasing pole, enchanting agricultural, industrialization to strengthen the industry foundation, improving the help and development policies to the poor to strengthen the district economic cooperation and the coordination effect by decreasing the limits of the poor, and so on, which can encourage each area display its advantage and supply what the other needs and make the rural economy coordinated and commonly flourishing

    根據分析結果將11個市劃分為省內發達區域、中等發達區域和不發達區域三種類型，將138個縣（市）劃分為由高到低七個等級；對差異產生的原因從自然資源、區位條件、勞動力條件、技術條件、產業結構等五個方面進行了系統探討；並從更深層次上指出，土地等自然資源的可持續利用，勞動力構成優化、素質提高，先進科學技術的適用，產業結構的合理布局等對農村經濟的整體實力和綜合競爭力的提高起決定性的作用；最後，在河北省農村經濟協調發展的角度，提出了「因地制宜，揚長避短；優勢互補，共同發展」的指導思想和「鼓勵先進，鞭策后勁；區域聯動，全面協調」的基本原則，並進一步提出了加大小城建設? ?培養增長極，推進農業產業化經營? ?強化產業基礎，改善扶貧開發政策? ?降低后勁制約以及加強區域經濟聯合? ?增強協調效應等綜合措施。
  8. Fourthly, by analyzing a series of actual tax planning activities of xi ' an m medicine company, which are changing the registered place, adjusting the methods of plant assets depreciation, comparing the different organizations, and choosing the equipment invest offset time, a real case is given to illustrate that reasonable tax planning is very important in decreasing the taxation and increasing the profits of enterprise

    （ 4 ）通過對西安m藥業總公司公司注冊地點的變更、固定資產折舊方法的調整，以及在企業擴張時設立子公司或分公司的組織形式的比較，固定資產設備投資抵免時機的選擇等具體納稅籌劃活動分析，以實例說明了合理的納稅籌劃對減少企業的稅負，提高企業經濟效益，具有極為重要的意義。
  9. Methods of calculating the inductor ' s quality factor and inductance are studied. experimental results are analyzed in detail and some results are obtained : quality factor q decreasing with the increase of turns n ; inductance l proportional to turns n2 ; series resistance rs increasing - iv - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ as g - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ with frequency due to skin effect

    得出了一些有用的結論如平面螺旋電感的q值隨著圈數n的增加而減小；電感量與圈數n的平方成正比；高頻時，圈數越多，串聯電阻的趨膚效應越厲害，阻值越大等。
  10. For problems whose objective function or constraint functions have sharp curves on their contour maps ( such as the rosenbrock ' s function which has banana shape contours ), monotonicity may cause a series of very small steps, causing a huge number of iteration to reach their solutions. by using the nonmonotone technique, we get the sequence of successful interative point which should make the objective function mono - tonically decreasing. hence, we use both trust region strategy and line search technique and make each iterate generate an acceptable trial step in interior feasible set as next interative point

    我們利用非單調技術得到使目標函數非單調下降的迭代點，因為非單調克服高度非線性化函數的求解問題，從而避免了只使用單調搜索在「峽谷」現象局部最優解被卡的情況，我們用信賴域策略和非單調線搜索技術相結合的方法，使演算法產生的迭代步落在可行域內點，同時又在信賴域內滿足接受準則。
  11. Fourth, a series of police advice for further developing china ' s export to the united states, including altering the improvement trade export mode, facilitating the upgrading of industrial structure, optimizing the structure of exports, consummating policies encouraging export, decreasing u. s. trade deficit to china, actively replying to u. s. trade protectionism, and implementing a diversification strategy of export markets

    第四部分提出了發展中國對美出口的政策建議，主要包括：改變加工貿易出口模式，促進產業結構升級，優化出口商品結構，完善鼓勵出口的政策，積極應對貿易保護主義，改善美國對華貿易逆差，實施出口市場多元化戰略等。
  12. Such methods are generally decreasing method, such as, feasible direction methods, constrained variable metric methods, etc. another class is sub - problems method, which approximates the optimal solution by solving a series of simple sub - problems, such as penalty function methods, trust region methods, and successive quadratic programming sub - problems, etc. the same property of two classes of methods is that they determine whether the next iterative point is " good " or " bad " by comparing the objective function value or merit function value at the current point and next iterative point

    另一類叫做子問題演算法，這種演算法是通過一系列簡單子問題的解來逼近原問題的最優解，如罰函數法、信賴域演算法、逐步二次規劃演算法等。這兩類演算法的一個共同特點是，通過比較當前點和下一個迭代點的目標函數值或評價函數值來確定迭代點的「優」或「劣」 ，若迭代點比當前點「優」則該迭代點可以被接受，否則須繼續搜索或調整子問題。
  13. Under the economic downturn, hong kong families face enormous pressures. in view of family disintegration, family solidarity and solving problems capability are decreasing, and a series of family problems is uprising, e. g. juvenile delinquency, divorce, family violence etc

    在經濟逆轉的環境下，家庭的壓力增加，加上家庭結構解體，家庭凝聚力及解決問題能力下降，容易衍生連串的家庭問題，如：青少年行為/情緒問題、婚姻離異、暴力事件等。
  14. ( 4 ) after the rationality of numerical simulation has been testified, going along a series of numerical simulation and performance research. firstly, the thermal superposition principle, based on adiabatic heat transfer coefficient and superposition kernel function, is put forward for the research of discrete heat sources ’ temperature field and thermal conjunction effects secondly, decreasing thermal spreading resistance is good for improving the heat transfer performance, and several methods are discussed

    第一、在熱疊加原則理論基礎上，利用數值模擬方法研究了固態組件的溫度場和多個分散熱源在熱擴展體上的熱耦合效應，而且證明了強迫對流情況下熱疊加原理形成的溫度場和系統模擬時的溫度場計算結果非常吻合;第二、針對固態組件里集中熱源的特點，對擴展熱阻進行了研究，從理論上探討了減小擴展熱阻改善散熱性能的方法。
  15. And the dopping magneto - optical materials were constructed to better meet the demand for the properties of magneto - optical disk recording media materials, forming the series magneto - optical recording media materials and decreasing the making cost by the method of introducing the light and middling rare - earth into the tbfeco materials. the magneto - optical properties and compositions of the tb - fe - co series dopping magnetic - optical film materials were investigated. the results show that when small amount of adulteration element was introduced into the tb - fe - co, the magneto - optical properties of materials are increased. for example the kerr angle and the coercive force are both improved

    對輕、中稀土摻雜的tb - fe - co系列磁光薄膜材料進行丁磁光性能和成分的測試，結果表明：在摻雜元素含量較小時，摻雜后的tb - fe - co磁光材料具有較好的磁光性能， kerr轉角_ k和矯頑力hc都有所改善，摻雜元素的含量應嚴格控制，不能超過一定限度，一般一般摻入量應莊10at左右。
  16. In particular, we give a series of sufficient and necessary conditions for the existence and uniqueness of fixed point of increasing operators with u0 - concavity and decreasing operators with - u0 - convexity

    在2 . 2中，我們給出了增的u _ o凸運算元，增的（ 1 ）齊次運算元算于存在唯一正不動點的充分條件。
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