quantity vector 中文意思是什麼

quantity vector 解釋
矢量
  • quantity : n 1 量 (opp quality); 分量,數量;額;【物理學】值,參量。2 〈pl 〉大量,大宗,大批,許多。3 定...
  • vector : n 1 【數學】向量,矢量,動徑。2 【航空】飛機航線;航向指示。3 【天文學】幅,矢徑。4 【生物學】帶...
  1. Angular momentum is an axial vector quantity.

    角動量是一種軸矢量。
  2. Rlean meat percentage is one of the most important economic traints in pig breeding programs. myostatin is a negative regulator of skeletal muscle growth. null or low activity of myostatin, individual muscle of mutant amimals would show a large and widespread increase in skeletal mass. myostatin null animals have significantly larger diameter or more quantity of fiber skeletal muscle. the phenotype was termed double muscling. in order to probe the relation between myostatin and high lean meat rate and plump - hipped trait, we sythesized the c ' 80 amino acids coding sequence of porcine myostatin and costructed the cloning and expressing vector of it

    肌生成抑制素( myostatin ,即mstn )是近幾年來( mcpherrona . c等, 1997 )發現的骨骼肌生長的負調控因子,它主要在骨骼肌中表達。其活性的喪失,會引起動物肌肉的過度發育,肌纖維直徑變大或肌纖維數增加,表現為雙肌癥狀。肌生成抑制素研究的突破將對豬、肉雞、肉牛等畜禽生產性能的提高具有特別重要的意義。
  3. The strain vector is a scalar quantity.

    應變向量為一純量。
  4. Isospin is a vector quantity.

    同位旋是矢量。
  5. A vector quantity is an entity with a magnitude and a direction in space.

    矢量是空間中既具有大小又具有方向的量。
  6. A vector quantity is one whose direction as well as its magnitude is significant.

    矢量是一個其方向和其大小同樣有意義的量。
  7. A vector quantity whose magnitude is a body ' s speed and whose direction is the body ' s direction of motion

    速度一種向量,其量值為物體的速率,其方向為物體運動的方向
  8. 3. use characteristic vector quantity of normal situation with leak characteristic vector quantity of situation compare, adopting valve method determinant the leakage of pipelines

    本文應用正常情況下的特徵向量與泄漏情況的特徵向量進行比較,並且採用閥值的方法判斷泄漏故障的發生。
  9. It synthesizes the excellence of wave coding and parameter coding, adopts vector quantity, analyse - synthesize, perceptual weighting, therefore, gains good speech coding quality at 8kbit / s. cs - acelp can be used in individual telecom, iphone, c / n, microwave telecom and isdn

    Cs - acelp演算法綜合了波形編碼和參數編碼的優點,以自適應預測編碼技術為基礎,採用了矢量量化、合成分析和感覺加權等技術,在8kbit / s速率上獲得了較高的語音編碼質量。
  10. Compared with the pressure hydrophone, vector transducer can provide both the information about pressure ( scalar quantity ) and particle velocity ( vector quantity ) of the sound field, which offers more possibilities for signal processing. so vector transducer and its signal processing have attracted the attention of researchers both native and foreign. in this thesis, a method of correlation equations for pressure gradient transducer is presented, and the estimation of multi - signal parameters with single vector transducer is given

    與傳統的聲壓水聽器相比,矢量水聽器既能獲得聲場中的聲壓這一標量信息,又能獲得聲場中質點振速這一矢量信息,這為其信號處理帶來更大的空間,因此矢量水聽器及其相應的聯合信息處理技術日益成為國內外科技工作者們研究的熱點。
  11. Because ga possesses the traits of can global random search, the robustness is strong, been use briefly and broadly, it didn ’ t use path search, and use probability search, didn ’ t care inherence rule of problem itself, can search the global optimum points effectively and rapidly in great vector space of complicated, many peak values, cannot differentiable. so it can offset the shortages of nn study algorithm, can reduce the possibility that the minimum value get into local greatly, the speed of convergence can improve, interpolation time shorten greatly, the quantity of training reduce

    因為遺傳演算法具有全局隨機搜索能力,魯棒性強、使用簡單和廣泛的特點,它不採用路徑搜索,而採用概率搜索,不用關心問題本身的內在規律,能夠在復雜的、多峰值的、不可微的大矢量空間中迅速有效地尋找到全局最優解,所以可以彌補神經網路學習演算法的不足,使陷入局部最小值的可能性大大減少,使得收斂速度提高,訓練量減小。
  12. In this article, introduce the important meanings of a - b effect, first is a have physics factors, second is wave function phase factor is connected with geometrical factor in ( b = 0, a 0 ), through a - b effect, we know : electromagnetic field vector e, b is local quantity, electromagnetic potential a, is global quantity, adding a, description and by the way of loop integral, electromagnetic field " effect is completely descripted

    本文介紹了有重要歷史意義的a - b效應, a - b效應揭示了兩點物理觀念的變革:一是電磁矢勢有物理效應。二是在無場強但有磁矢勢( b = 0 , a 0 )的區域,波函數的相位因子與其運動空間結構有關。 a - b效應顯示; e 、 b是局域量, a 、是總體量,只有加入a 、之後的描述,並通過a的環路積分,才能對電磁場的作用做出完全準確的描述。
  13. Thirdly, designs the index system of nanjing ’ s environmental carrying capacity and uses hierarchy and vector analytical method to research nanjing ’ s environmental carrying capacity among the years of 1997 and 2003. subsequently, the author analyzes the environmental carrying quantity, environmental carrying capacity, environmental carrying rate and their variational trends from 1997 to 2003 in detail. lastly, according to the above results, puts forward some measures to protect and advance nanjing ’ s evironmental carrying capacity

    本文圍繞著南京市環境承載力這一研究主線,首先從定性、定量兩種角度對環境承載力的國內外研究現狀進行綜述;接著介紹了環境承載力理論的基本內容和南京市自然環境、社會經濟狀況;然後切入論文的核心部分,構建了多層次的南京市環境承載力指標體系,運用層次矢量分析法對1997 ~ 2003年南京市環境承載力及其變化情況加以量化研究,並以此計算結果為依據,詳細分析了1997 ~ 2003年間南京市環境承載量、環境承載力、環境承載率的變化趨勢;最後,針對上述分析結果提出保護和提升南京市環境承載力的幾點策略。
  14. The model was based on the relationship between the concentration of freely soluble enzyme and adsorption quantity of the vector, combined with time and adsorption, some kinetic parameters ( igk, n ) related to the process were obtained by using the model

    根據酶液濃度與載體吸附量的關系,結合時間與吸附量的關系,建立了freundlich等溫吸附模型,並獲得了該模型的動力學參數( lgk , n ) 。
  15. The paper has made detailed observation by the existing apparatus and the field observation stations. based on the image and the vector database of the yutian oasis, the study has obtained the precise coordinates of investigation points by gps technique, and overlapped them with the images. after classifying the images with the maximum likelihood supervised classification method, we import the result into cis software, and analyze the yutian oasis changes about land cover " s quantity, quality and spatial position from 1976 to 2001

    本文利用現有儀器設備和野外觀測網站進行詳細觀測,在建立於田綠洲圖像庫和矢量數據庫的基礎上,運用gps技術取得野外考察樣點的精確坐標並與研究區各時期影像疊加,對影像進行了最大似然法監督分類,並將分類結果轉入gis軟體處理,全面分析了1976年至2001年該綠洲的土地覆蓋類型數量、質量與空間上的變化。
  16. In this study, we have constructed a new cea dna vaccine and a plasmid of il - 2 by using genetic - engineering technology, and designed the immunostimulatory dna sequence ( iss ). we hope enhance the quantity of cea and the anti ~ cea by using the various vector, cytokine and iss

    本文運用基因工程技術構建了cea的dna疫苗pc工cn ,白細胞介素七的真核表達質粒pci可l 《 ,設計合成了硫代修飾的免疫刺激序列門ss ) ,希望從載體、細胞因子和es方面提高cea的表達和抗ea的產生,從而達到對優a陽性腫瘤免疫防治的目的。
  17. What the practical problems is often gotten is a single variable time series which has a time interval of t, reflect by a lot of interactive physics factor, containing the mark of all variates participating in movement, traditional time series analysis is to analyse going from this array to the form directly it ' s time develops, one dimension analysis loses useful information, the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector, prop the geometry space of the state, show all dynamical information of system in phase space. the characteristic that just constructs again according to the phase space in this text, analyse the time series of responding, use the relevant knowledge of symbol dynamics and reconstruct phase space, put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis, so reach the correction of calculation mathematics model, make it accord with the actual systematic state

    實際問題中常常得到的是一個時間間隔為t的單變量的時間序列,它是許多物理因子相互作用的綜合反映,蘊藏著參與運動的全部變量的痕跡,傳統的時序分析是直接從這個序列去形式地分析它的時間演變,一維分析必然喪失許多有用信息,相空間重構方法的特點是把一維標量數據構造成高維矢量,支起狀態的幾何空間,在相空間中展示系統全部動力信息。本文正是根據相空間重構的特點,對響應時間序列進行分析,利用符號動力學、重構相空間等方法,提出一種有理論依據的系統數學模型關聯度分析方法,從而達到修正計算數學模型,使其更符合實際系統狀態的目的。
  18. In some ways, an electron is just like such a spinning sphere of charge ? an electron has a quantity of angular momentum ( its “ spin ” ) and an associated magnetism, and in an ambient magnetic field its energy depends on how its spin vector is oriented

    就某種意義而言,電子可類比於一個旋轉的帶電小球:它帶有角動量(就是自旋)以及伴隨而來的磁性,而它的能量是由自旋向量與外加磁場的關系來決定。
  19. In this experiment, gene cloning, sequence analysis and construction of expression vector of goat fsh were fist studied. this work initiated the basic research of recombinant goat fsh which supplied the theoretic basis and experiment references to its quantity production and application

    本研究首次進行了山羊fsh的基因克隆、序列分析及表達載體構建方面的探索,填補了國內外重組山羊fsh基礎研究的空白,為今後重組山羊fsh的大量生產應用提供了理論基礎和實驗依據。
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