負密度 的英文怎麼說

中文拼音 []
負密度 英文
negative density
  • : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. The density of mucopolysaccharide increased upon complete sonication more for the treated rats than for the controls, and this was closely related with the improvement in histopatho - logical findings, but inversely with the changes in arthritic severity

    在治療組中黏多醣類的在超音波治療前後及和控制組比較均有明顯的上升,而且於超音波治療結束時之黏多醣類與組織病理學上的修護有切相關;同時黏多醣類的變化與嚴重指標的改變成相關。
  2. The distributions of current density and potential on the negative plates with the radiational or expanded grid designs are more uniform than those on the positive plate

    輻射式和拉網式極板在化成開始時電流和電位的分佈都比正極板上分佈均勻得多。
  3. At the end of the formation, both current and potential distributions are uniform. however, their distributions on the negative plate with the expanded grid design are a little more uniform

    化成結束時電流和電位分佈都比較均勻,且拉網式極板比輻射式極板更均勻。
  4. When formed for 8h, because most of paste on the negative plate has converted into lead, the polarization increases and the potential changes greatly, these distributions on the two kinds of negative plates become non - uniform again

    當化成8h時,由於極板上的鉛膏大部分轉化為鉛,極化上升,電位變化很大,所以兩種極板上電流和電位分佈又變得不均勻。
  5. This paper researches on the practical current and potential distributions on the positive and negative plates of automotive batteries in the course of their formation processes by the means of an in situ electrochemical scan, and then studies the influences of the formation and also the additives on the performance of the automotive plates

    本文利用電化學掃描方法研究鉛酸蓄電池正極板在化成過程中電流和電位分佈及化成對極板電性能的影響。同時分析了正極添加劑的性質及其對極板性能的影響。
  6. The relationship among searching efficiency ( e ), the prey density ( n ) and the adult ladybird density ( p ) was simulated as e = 0. 3 1 10 / ( 0. 7842 + 0. 000404 n + 0. 21 58 p ) by beddington ' s model e = at / [ 1 + athn + btw ( p - 1 ) ], i. e. the searching efficiency declined when the adult ladybird and the prey densities increased. in the single predator - two preys system, the selective predation of the adult female beetle to both eggs of b. tabaci and t. nr. fijiensis was discussed when two preys coexisted

    當兩種獵物共存時,在不同總獵物下,測定了捕食者對各獵物的喜好性和轉換行為,分析了兩種獵物共存時,小黑瓢蟲雌成蟲對各獵物的功能反應形式,結果表明:當兩種獵物共存時,小黑瓢蟲雌成蟲對煙粉虱卵在低下不表現喜好性,而在中等和高下表現正喜好性,對紅蜘蛛卵在各下均不表現喜好性;對煙粉虱卵的轉換效應會由於總獵物的不同而呈現不同的效應,而對紅蜘蛛卵則在各總獵物下均呈現轉換效應。
  7. Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in

    同時,研究還表明:調查洞穴的物種多樣性與人口、水質成相關;在一定范圍內,物種多樣性與化肥施用量、土壤肥力成正相關,超過一定的值則成相關;在人類對地表植被的高強作用下,物種多樣性與植被覆蓋率的相關性不明顯;蚊蠅數量與土壤肥力基本上呈正相關;斑灶馬數量與植物種數呈正相關,斑灶馬數量與在一定水質范圍內與水質呈相關,與土壤肥力呈相關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的相關性;研究認為,可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾(或有尾類) 、魚類等作為指示動物對洞穴環境進行監測。
  8. By comparing and analyzing the advantages and disadvantages of three kinds of voltage reference circuits, type of current density ratio compensation 、 weak inversion type and type of poly gate work function, a cascode structure of type of current density ratio compensation is chosen to form the core of voltage reference circuit designed in this paper. applying the negative feedback technology, an output buffer and multiply by - 2 - circuits are designed, which improve the current driving capability

    然後通過比較和分析電流比補償型、弱反型工作型和多晶硅柵功函數差型三種帶隙電壓基準源電路結構的優缺點,確定了電流比補償型共源共柵結構作為本設計核心電路結構,運用反饋技術設計了基準輸出緩沖電路、輸出電壓倍乘電路,改善了核心電路的帶載能力和電流驅動能力。
  9. The simulation results show that the model can reflect the distribution of heat flow density under the dissimilarity load, and then made up the shortage of zero - dimension model and three - dimension model

    通過在不同荷下的模擬計算,說明了該模型能夠反映不同荷下爐膛內的熱流分佈的不同,從而彌補了零維模型和三維模擬的不足。
  10. Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center

    計算結果表明:當塵埃粒子的溫較低時,塵埃粒子主要集中在圓柱形放電器的中心很小的區域,塵埃粒子攜帶的電荷幾乎是一個常數,受塵埃粒子空間電荷的影響,離子在該區域的最高。在遠離中心區域,離子和電子呈現雙及擴散特點;當塵埃粒子的溫較高時,塵埃粒子分佈的區域和高離子區域擴大,塵埃粒子離放電器中心越遠,攜帶的電荷越多。
  11. Conclusion the changes of condylar shape induced by various operations directly influence its compressive mechanical properties and bone mineral content

    3組髁突彈性極限荷、最大荷及剛與骨之間均有顯著或極顯著意義的相關性,相關系數在0 . 862以上。
  12. The optimal cp potential shifted to negative direction in seamud containing active srb, - 1030 mv ( vs. saturated cu / cuso4 electrode, cse ) or lower potential was needed. accordingly, the cp current density was about 11 ma / m2

    在srb存在下,最佳陰極保護電位移向更的值, - 1030mv (相對銅/硫酸銅電極, cse )甚至更低的電位是需要的。在- 1030mvcse保護電位下,保護電流約為11ma / m2 。
  13. The systematic and synthetic description and review of lianas, chiefly in tropic, are described and reviewed in this paper, in which some ecological questions of lianas are included distributed as follows : ( 1 ) the conception and significances of lianas ; ( 2 ) liana flora and its distribution in the world ; ( 3 ) its biological characteristics ; ( 4 ) its ecological characteristics ; ( 5 ) its abundance ( density ) and species - richness in tropical forest ; ( 6 ) the ecological significance of lianas - aggregation in gap and the variance of its abundance in the process of forest succession ; ( 7 ) the relationship between lianas and trees ; ( 8 ) the positive and the negative contribution of lianas to tropical forest ; ( 9 ) the types of climbing mechanism of lianas and its competitive predominance ; ( 10 ) global climate - variance ( co2 increase ) promotes abundance of lianas to increase, and some ecological consequence are resulted from which

    摘要對藤本植物(以熱帶為主)研究的動態與發展進行了綜述,其中包括: ( 1 )藤本植物的概念及重要性; ( 2 )藤本植物區系和分佈; ( 3 )藤本植物的生物學特性; ( 4 )藤本植物的生態學特性; ( 5 )藤本在森林中的多)及種的豐富; ( 6 )藤本在空地上聚生的生態意義以及它們在森林演進過程中的消長; ( 7 )藤本與樹木的相互關系; ( 8 )藤本對森林正面和面的影響; ( 9 )藤本的攀援方式類別及其競爭優勢; ( 10 )全球氣候變化( co2濃增高)促進藤本優勢增長並導致不良的生態後果。
  14. According to the requirements of propeller aerocraft model test in wind tunnel, specifications of the driven motor is presented by aerodynamic analysis, and a short - term operated high power density three - phase induction motor is developed with reasonably designing the motor, such as electromagnetism load, heat checkout and high - efficiency heat exchanger

    摘要針對螺旋槳飛機模型帶動力風洞實驗要求,通過氣動性能分析提出驅動電機的技術指標,在滿足結構約束的條件下,通過合理設計電機的電磁荷、校核發熱、採用高效冷卻裝置等,研製出短時工作制高功率三相異步電機。
  15. Micrographics - test target of optical density measurement for microfilming negative

    縮微攝影技術縮微攝影時檢驗像光學用測試標板
  16. It shall also insure that karma is not displaced again, for the very dilemma of displacing karma shall come to be understood and all sentient beings shall strive to take full responsibility to create a complete ascension, understanding and releasing all cause created in any given dimension

    它也將保證未來業力不再轉移,因為轉移業力的兩難矛盾將被理解,而所有知覺的存在物將努力來完全責任去創造一個完整提升,理解和釋放在任何給定中所創造的業力。
  17. The space geometry is open and negatively curved as a saddle. if the density equals to the critical density exactly, the space is flat as a sheet of paper. if the density is greater than the critical density, the space geometry is closed and positively curved as a ball

    馬鞍形的開放宇宙假若和臨界相等,空間曲率為零,宇宙如一張白紙般平坦假若高於臨界,它則是一個空間曲率為正球形的封閉宇宙。
  18. The exact solution of the einstein field equation is gained under the popular conditions when , the new general expression of the density function is deduced. , the new solution of the cosmic scale factor is further derived out under different evolution model

    求解了當時一般情況下標準宇宙模型方程,通過一般地求解不同物質情況下的暴漲宇宙演化方程,得到了的一般物質的表達式,解出了表徵宇宙標因子不同演化的一般新解,並通過對不同情況下標準宇宙方程的求解,證明參數的正取值直接影響宇宙尺因子的表達形式。
  19. By increasing the h2 dilution ratio, it is found that atomic hydrogen can selectively etch amorphous phase and stabilize crystalline phase. from the study on the distance from substrate to catalyzer, choosing a proper distance can ensure the gas fully decomposed, while a relatively low substrate temperature can cause the nanocrystalline particles to lose mobility and keep their sizes. the pre - carbonization process can enhance the nucleation density and make the growth of high quality nanocrystalline p - sic films much easier

    實驗結果表明:隨著工作氣壓的減小,薄膜的晶粒尺寸有所減小;通過提高氫氣稀釋,利用原子氫在成膜過程中起的刻蝕作用,可以穩定結晶相併去除雜相;選擇適當的熱絲距離能保證反應氣體充分分解,又使襯底具有較高的過冷,是形成納米薄膜的重要條件;採用分步碳化法可以提高形核,有利於獲得高質量的納米- sic薄膜;襯底施加偏壓可以明顯提高襯底表面的基團的活性,因偏壓產生的離子轟擊還能造成高的表面缺陷,形成更多的形核位置。
  20. ( 3 ) application in the combustion pot based on the calculated data and experimental results, the combustion pot was designed, and its output pressure was measured

    對計算結果的分析表明,氧平衡系數較大的hns -燃燒性能受裝填(壓力)等的影響較大。
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