適合微分 的英文怎麼說

中文拼音 [shìwéifēn]
適合微分 英文
exact differentials
  • : 形容詞1 (適合) fit; suitable; proper 2 (恰好) right; opportune 3 (舒服) comfortable; well Ⅱ...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 適合 : rightness; trim; appositeness; suit; fit; be appropriate for; become; be good for; be suitable; b...
  1. The respiratory intensity of the contaminated soil decreased by 29. 93 % while ammonification and nitrification increased significantly than that of control soil. 2. extraction and purification of soil microbial total dna a method of extracting soil total dna was developed, and it can extract dna from g + bacteria

    二、土壤生物總dna的提取和純化方法研究為了採用不依賴于培養的16srdna析的方法研究有機磷農藥長期污染對土壤生物群落結構的影響,建立了從土壤中提取總dna的方法,並通過改進使於對革蘭氏陽性菌的提取。
  2. Constructing quantitative model with ordinary differential equations for the cell - cycle control system, it is appropriate to use ordinary differential equations ( odes ), because molecular diffusion, transcription, translation and membrane transport seem to be fast ( a matter of seconds ) compared with the duration of the cell cycle ( hours ). spatial localization of reactions can be handled by compart - mental modelling, in the spirit of pharmacokinetics

    對于這樣的細胞周期控制系統,應用常方程是的,因為比起細胞周期的時間(以小時計)來,子擴散,轉錄,翻譯和膜運輸是很快的(以秒計應用藥物動力學的區域化模型的方法,可以處理反應的空間佈。
  3. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行析,選取當的元控制體,就干、濕和霜工況下對每個別進行傳熱傳質析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經當假設,運用質量守恆、能量守恆和動量守恆方程建立動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態佈參數和參數間定量耦的觀點來析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  4. But when fault was occurred, sometimes there would be great loss. for the reason, the paper put forward a microcomputer bus protection scheme suit for mv or lv power system with low current grounding based on the great researching about the working theory of current bus protections and the characteristic of mv or lv system with low current grounding. based on it, the paper has designed the platform of the hardware and the software programs

    針對國內目前中、低壓電網大都未裝設母線保護裝置,發生故障不能及時切除時造成很大損失的狀況,本文在廣泛研究當前主流的母線保護動作原理並認真析了中、低壓小電流接地系統特點的基礎上,提出了一套中、低壓機母線保護裝置的研製方案,並據此選擇、搭建了硬體平臺,設計了軟體功能程序。
  5. According to the characters of the vibration of internal combustion engine and on bases of the theory of active vibrantion control which is carefully analyzed, the corresponding mathematical model suitable for the vibration of internal combustion engine is developed and the fuzzy control techniques are adopted. a new active vibration control system is developed w hich conclude mcu, the key part, and the equipment used to survey the vibrative acceleration of internal combustion engine

    本文根據內燃機振動的具體特點,在仔細析了振動主動控制原理的基礎上,建立了內燃機整機振動的數學模型和採用了模糊控制方法,提出了一種新的內燃機整機振動主動控制減振系統,該系統以控制器為核心,配以測加速度和控制機電轉換執行機構組成。
  6. These results demonstrate that the heat dissipation ability in the transgenic plants decreases, suggesting that xanthophyll cycle has the function in photoprotection. besides, a dna minipreparation method suitable for screening and identification large amounts of transgenic plants was established. using this rapid and efficient method, one person can prepare d

    另外,還建立了一種於篩選轉基因植株的dna量提取法,此方法操作快捷方便,一個人在一天內能制備50多個樣品, 100mg的植物鮮樣平均可獲得40卜g的dna ,提取的dna可直接用於pcr反應、酶切析及southern析。
  7. This article analyzes and compares those math models and solutions such as " firing table method ", " firing table fitting method ", " ballistic data analytic method " and " motion differential equations of the projectile " used in different systems, and presents advantages, shortcomings and applicable occasions of those models

    就目前各系統所採用的「射表法」 、 「射表擬法」 、 「彈道諸元解析法」 、 「彈丸運動方程」等數學模型、解算方法進行了析、對比,給出了各種模型和方法的優點、缺點及其用場
  8. According to the characters of microscopic pathologic image and requirement of clinic and medical scientific research, we implemented various kinds of ootor image processing and parameter measuring approaches, including image movement and adjustment, brightness / contrast adjustment, image edit and length, acreage, amount measurement of ro1

    系統針對顯病理圖像的特點,結臨床應用和醫學科研工作的需求,重點建立了一系列醫學應用的彩色圖像處理方法和特徵參數測量方法。這些方法包括圖像的移動、縮放、亮度對比度調整、圖像編輯以及感興趣區域長度、面積、數量等特徵參數的測量析功能。
  9. Whiten and beautiful skin immediately, isolate the ultraviolet ray effectively, hiding the facial flaw and detailed line in all - around way, there is ventilate the good one, make the skin whiten naturally, suitable for any skin quality, can use any season

    運用納米超子技術,即時美白、靚膚、有效隔離紫外線,全面遮蓋面部瑕疵及細紋,有良好的透氣性,使肌膚自然美白,任何膚質,可以在任何季節使用。
  10. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤子作為光纖飛秒孤子的模型,通過新近建立的mnls孤子直接擾理論,研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移,以及通過頻率濾波對自頻移的抑制。為此,首先給出描述mnls孤子的各物理量,然後用mnls孤子直接擾理論,解析地得到這些問題絕熱近似下的孤子參數演化,並由此選擇頻率濾波的參數,最後用步傅里葉方法,在對非線性項商的演算法做出了於mnls孤子的改善後,對拉曼效應及頻率濾波進行了直接數值模擬,其中頻率濾波參數用擾理論確定。
  11. Through the analysis, the author found many questions which served further discussion, such as the lack of anxiety research on science and engineering course undergraduates, no inventory based on chinese psychological characteristic, and the desperation of anxiety research and psychological education, etc. the purpose of this research are ( 1 ) to investigate behavioral characteristic under anxiety of science and engineering course undergraduates ; ( 2 ) to make science and engineering course undergraduates anxiety questionnaire on the basis of behavior under anxiety

    通過對相關研究的析,發現有很多值得進一步探討的問題,如對理工科大學生焦慮的研究很少,沒有一套中國人心理特點的焦慮問卷,焦慮研究與心理健康教育實踐存在脫節等。本研究的目的是: ( 1 )對理工科大學生焦慮狀態下的行為特點進行研究,為彌補對理工科大學生焦慮研究的空白盡薄之力; ( 2 )嘗試根據焦慮的行為特點編制有效、簡潔的大學生焦慮問卷,並以此為工具對理工大學生焦慮特點進行考察。
  12. For example, the regulation of personal income tax and the consumption tax is so weak ; personal estate tax system is not perfect ; security tax has n ' t been levied and the taxation policy is not reasonable etc. it is thus obvious that we must solve the problems of existing tax system to improve the regulation on income distribution

    例如個人所得稅的調控功能弱、社會保險稅遲遲未開征、個人財產稅體系不健全、消費稅作用甚、現行稅收政策不理等等。可見。改進現行稅收制度中的不應部,優化稅收對個人收入配的調控在今天的中國有著重要而現實的意義,應當成為下一步稅收工作的重點。
  13. We have successfully designed an experiment system for the no invasion blood pressure measurement with our own ip. in our research and develop task we have done a lot work to study foreign instrumen and design ideas. this experiment system is based on msp430 series mpu with excellent erformance and applies advanced digital signal process and intelligent technology. in hardware design, the following means were applied : after a lot of experment and fully knowing about the characteristic of the pulse wave signal, we have designed the accurate and credible circuit to collect the pulse wave signal ; power circuit, communicaion circuit, power drivers circuit have been disigned for the instrument. in software design, the following arithmetic were applied : 1

    軟體方面進行了以下演算法研究: 1 .綜試驗各種數字信號處理方法對波形進行平滑處理: 2 .採用lms自應方法對脈搏波信號進行了降噪處理; 3 .應用閉值法提高了脈搏波信號的檢出率,有效識別了運動干擾引起的偽波信號; 4 .利用測振法基本原理並進行大量實驗的基礎上,提出了比較準確可行的收縮壓和舒張壓的識別演算法,使測振法在本無創血壓儀中得到了完整而充的應用。
  14. A new economic evaluation method of oil - gas exploration and development is established in the article. the hard core of the article is that : discussing the applying theory of the oil - gas exploration and development economic evaluation based on the real options, analyzing and confirming the binomial model of the abandon option in the exploring phase and the partial differential equation of the shut - down option in the developing phase fitting for most oil - gas projects, ascertaining correlative factors based on real projects and the methods how to estimate parameters

    本文要構建一種基於實物期權法的油氣勘探開發類項目的經濟評價方法,探討基於實物期權法的油氣勘探開發經濟評價方法的應用原理,提出大多油氣勘探開發項目的勘探階段放棄期權二叉樹模型和開發階段停啟期權偏方程,確定基於該類項目實際的相關參數,並提供解決參數估計的方法。
  15. This paper uses an optically modulated scatterer system to measure microwave field with minimal disturbance. this method is especially adapt to measure magnitude and phase of microwave field close to conductor and microwave field with complex path between source and field. so it can be used to measure radiation antenna ’ s near - field and microwave into slots

    光調制散射器的測量方法最大限度地減少了測量裝置對被測場的擾動,特別於測量導體附近和具有復雜路徑場的幅值和相位佈,可以用於對輻射天線近場的測試以及孔縫耦中場的測量,可為天線的設計,波孔縫耦效應的研究提供較精確的實驗數據。
  16. In recent years, magnetic polymeric particles, due to their relatively rapid and easy magnetic separation, have been used in biomedical and bioengineering such as cell separation, immunoassy and nucleic acids concentration

    磁性高子復球是指通過當的方法使有機高子與無機磁性物質結起來形成的具有一定磁性及特殊結構的球。
  17. Simplicity to use and ease to real - time output etc. the quartz crystai microbaiance based on the response of mass change, is a sensitive mass sensor and very suitable to the detection of biomacromoiecuiar. now it is expected to find widely use in ciinic chemistry, pharmaceutics anaiysis, environmentai detection and so on

    而作為一種很有發展前途的傳感器件,壓電體聲波傳感器具有高靈敏度、寬響應譜、價格低廉、操作簡單及方便時的輸出等優點;尤其是基於質量效應構制的石英晶體天平具有很高的質量響應靈敏度,特別生物大子的測定而廣泛用於臨床化學,藥物析,環境質量等諸多領域。
  18. At last, the error analysis of image processing and measuring system is discussed. the universal algorithm of image measuring system is realized. the system based on the proposed idea works fine

    本論文對圖像測量系統的軟體演算法進行了析比較,得到了區圖像識別的通用演算法,具有一定的實際應用價值。
  19. It is further extension of impulsive system. when the system in different time periods is the same, it becomes impulsive differential system. so the results in this paper also hold for impulsive differential systems

    脈沖混系統是脈沖系統的推廣,當不同時間段內系統相同時就簡化成為脈沖系統,因而本文所得到的結果也用於脈沖系統。
  20. In this paper, we synthetically analyze the structure types of robots suitable for minimally invasive surgery

    本文結醫療外科機器人結構特點和手術用范圍,對創手術的機器人結構進行了構型綜析。
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