second differentiation 中文意思是什麼

second differentiation 解釋
二次微分
  • second : adj 1 第二的；第二次的；二等（的）。2 次等的；較差的；劣於…的 （to）。3 〈美國〉較年輕的。4 另一...
  • differentiation : n. 1. 差別，區別；區分，劃分。2. 【生物學】分化，變異。3. 【地質學；地理學】（從共同的巖漿產生出不同的巖石的）分異作用。4. 【數學】微分法。
  1. But in the second phase, all of these theories can still be categorized into 4 kinds : dynamic comparative advantage theories, such as the new factors theories by baldwin and kenen, the life - cycle theory by vernon and hirsh, etc ; intra - industry trade theories such as product differentiation model by stiglitz and dixit, the strategy trade theory by spense, brander and krugman, and so on ; the endogenous trade theory such as technology overflow effect and learning curves theory by romer and krugman, the neo - classic trade theory by tucher and young, and the like ; and the competitive advantage theory by michael porter

    在這一時期，經濟學家們提出了形形色色的理論，出現了「百家爭鳴」局面。基本上可以歸于以下四大類型:一是動態的比較優勢理論;二是產業內貿易理論;三是內生國際貿易理論;四是競爭優勢理論。各個階段的比較優勢理論有其時代特點，但一個共同點是:比較優勢始於成本差異，並一直沒有突破成本差異，而不考慮產品的附加值。
  2. In the third section, the asymptotic equipartition property ( aep ) of second order markov chain field on a class of tree is studied by using the analytic approach. a net is constructed on a product space, then some strong laws of large numbers of second order markov chain field are proved by using the differentiation of measure on a net. furthermore, shannon - mcmillan theorem is extended to the case of second order markov chain field

    本文的第三章是用分析的方法研究一類樹上的二重馬氏鏈場的漸進均分割性，為此先構造了一個乘積空間上的網，然後利用網微分法證明了一些二重馬氏鏈場上的大數定律，並將shannon - mcmillan定理推廣到二重馬氏鏈場上。
  3. In addition, insulin - ir cell, chromogranin - a - ir cell, testosterone - ir cell and epithelial membrane antigen - ir cell were not detected in the digestive tract of alligator sinensis embryos. the kinds and the numbers of endocrine cells in the digestive tract and glands were less at early prenatal stages but increased greatly in the midterm of development. in the digestive tract of last prenatal stages, it was stomach that had the most endocrine cells and might play the most important role in regulating the growth and differentiation of the digestive tract, the duodenum was in the second place

    縱觀揚子鱷胚胎消化道和消化腺內分泌細胞發生的情況，可得出如下結論： ）胚胎發育早期，胰腺內分泌細胞的數量和種類較多，可能是早期胚胎重要的內分泌調控部位；胚胎中期消化道和消化腺內分泌細胞的數量和種類增加最多，是內分泌細胞分化發育的重要時期：胚胎晚期，以胰腺和幽門、十二指腸的內分泌細胞最密集，為孵出后的消化和吸收的功能調控做好生理準備。
  4. When cultured in vitro for 8 days, nscs were divided into three groups : the first one is the group to identify and evaluate nscs " property and proliferating capability ; the second one is the group to induce differentiation of nscs by egf, bfgf, 1 7 - estrodiol and atra respectively ; the third one is the group to investigate the toxicity of a p 25 - 35 and protective action of 1 7 - estrodiol against a. the above - mentioned groups were cultured continuely according to formerly conditions, then conducting the following experiments : 1. identification of nscs and evaluation of their proliferating capability brdu ( 5mol / l ) was added into the first group to label cells when group division was conducting

    3 . 3ap25一35和ap25一35 +雌激素作用后凋亡相關基因bcl一2 ， bax表達鄭州大學2003年碩七研究生畢業論文ap25 - 35對胚胎神經卜細胞的毒性和雌激素的保護作用對照處理組bel一2 、 bax均無表達;雌激素保護組bel一2及bax均有表達; ap毒性組僅有促凋亡基因bax表達，而無凋亡抑制基因be卜2表達。
  5. The first part talks about " principle of competition exclusion " of the nature. the second part discusses about " principle of competition exclusion " of the enterprises and enterprises " ecological niche differentiation. the third part puts forward the countermeasure to wto for our enterprises

    本文分三部分進行論述：第一部分探討了生物的競爭排斥法則；第二部分對企業競爭排斥法則和企業的生態位分化進行討論；第三部分提出我國企業應對wto的對策。
  6. The numerical differentiation of first and second order with tikhonov regularization

    正則化方法求一階和兩階的數值微分
  7. Particularly, it focuses on the differentiation of two geographical terms ? the northeast asia region and the east sea ( japan sea ) rim region, the illustration of the necessity of the economic cooperation among local regions within the east sea ( japan sea ) rim region, and several patterns of the economic cooperation proposed by chinese, japan and south korean scholars and experts. in the second part, the thesis makes a systematic and thorough analysis on the background, current situation and characteristics of the economic communication and cooperation in the east sea ( japan sea ) rim region, and also comments on the present progresses and existing problems

    同時，介紹了環東海（日本海）地區的經濟合作模式，另外，還分析了環東海（日本海）地區經濟合作的現狀、特點及產生的效果等相關問題，並以環東海（日本海）地區的中國吉林省、俄羅斯濱海邊疆區、韓國江原道為重點提出了一些合作設想，主張在這三個地區間率先建立起經濟合作共同體，以此進一步帶動整個東北亞地區的經濟合作。
  8. Intracellular ca2 + serves as a ubiquitous second messenger in nerve cells. fluctuations of [ ca2 + ] termed " calcium signals " regulate a variety of intracellular events such as excitability, neurotransmitter release, synaptic plasticity, gene expression, development and differentiation

    神經細胞內鈣離子不僅是一種重要的第二信使，而且對神經細胞的其它功能也具有重要的調節作用，因此，有必要在完整神經細胞上準確測定鈣離子的動態變化、運動方式及梯差分佈。
  9. First, delay window is used to reduce influence of pulse disturbance and signal amplitude to measurement result. second, according to the feature that width of receiving signal is wider than disturbing signal, width differentiation circuit is utilized to distinguish receiving signal and disturbing signal. third, most of digital circuits are integrated into isplsi ( in system programmable large scale integrated chip ) 1032 so as to simplify design and to develop the stability and reliability of the system

    關于提高系統的穩定性和可靠性問題：一是採用了延遲窗口接收技術，以盡可能減小干擾脈沖對測量結果的影響；二是根據接收信號脈寬比干擾信號脈寬要寬的特點，採用脈寬鑒別電路來鑒別接收信號；三是用可編程大規模晶元isplsi1032對系統大部分的數字電路進行了集成化設計，達到既簡化電路設計、又提高系統穩定性可靠性的目的。
  10. Taking shanghai as an example the authors report the following in the present paper : first, a description of the patterns and causes of space differentiation in shanghai ' s commercial residential units ; second, an examination of the trends in the residential space differentiation at the macro, meso, and micro levels ; third, a discussion of the social effects of such differentiation ; and finally, a speculation of the developmental trend in the restructuring and differentiation of the residential space in the metropolitan areas of china

    本文以上海為例，首先，分析了上海商品住宅的空間分異格局及成因；其次，從宏觀、中觀和微觀三個層面分析了上海居住空間分異的態勢；然後，探討了城市居住空間分異的社會效應；最後，對當前中國大城市居住空間分異與重構的演變態勢進行一定的思考。
  11. The second part is the analysis of droughts in chongqing, the contents of this part are made of droughts index, droughts type and grade differentiation method., droughts characteristics, droughts mechanism and background of formation of chongqing. it describes droughts of chongqing detailedly

    第二部分為重慶市旱災分析，這一部分以重慶市旱災指標、旱災類型及等級劃分方法、旱災特點、旱災成災機制與背景為內容，詳細對重慶市的旱災進行論述。
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