負指數 的英文怎麼說

中文拼音 [fùzhǐshǔ]
負指數 英文
negative exponent; negative index
  • 負 : 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...
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  1. The global regulator csra of e. coli is a specific mrna - binding protein. csra negatively regulates several metabolic pathways that are induced post - exponentially, including glycogen biosynthesis, gluconeogenesis, and glycogen catabolism ; positively controls gene expression within the glycolytic pathway ; and also csra modulates the levels of enzymes that participate directly in pep metabolism

    Csra是整體調控網路的調控基因，可負調控指數生長後期誘導的一些代謝途徑，包括糖原的生物合成、糖原的分解代謝、糖異生，而對糖酵解的一些重要基因的表達則執行正調控功能， csra也調控直接參與pep代謝的三個酶的活性水平。
  2. The exponent is a fraction or negative number.

    指數是一個分數或負數。
  3. It is indicated in the test that the influence of loading to strain in the grout was about in the range of 5 ~ 6m, and very weak beyond 4m. the distributions of strain and bond stress in the grout are attenuated in the minus exponential rule

    試驗結果表明，加載對錨固段內的應變影響范圍大致在5 6m左右， 4m以外很微弱；錨固段注漿體內的應變與粘結應力分佈按照負指數規律衰減。
  4. Considered the present condition of liaoning province, the evaluation and prediction method of liaoning province bridge technique condition is analyzed, then bridge condition changed - contingency evaluated method is introduced, negative index curve is chosen as the regression analysis model of the bridge condition prediction, and based on the information of bridge management system in the liaoning highway, the parameters of model are calibrated, the average repaired life of bridge is also calculated, the definite method of the bridge ' s repaired year is given, at the same time the markov chain model of bridge condition prediction is presented

    結合遼寧省的橋梁工程及管理具體情況，研究了遼寧省橋梁技術狀況評價與預測方法，引入橋梁缺損狀況變權評定方法，選擇負指數曲線作為橋梁缺損狀況預測的回歸分析模型，並依據遼寧省干線公路橋梁管理系統中的橋梁狀況信息，標定了模型的參數，計算橋梁中修及大修（或改建）的平均年限，給出橋梁大中修年份的確定方法，同時也建立了橋梁缺損狀況預測的馬爾可夫鏈概率模型。
  5. To place a minus sign next to negative exponents and a plus sign next to positive exponents

    在負指數旁邊放置減號，在正指數旁邊放置加號。
  6. There are certain relations between circulation pattern index ' s decadal variance characteristic and decadal variation tendency of the precipitation of china : in the 1960s and the 1970s, in which the negative index are relatively more, the precipitation are abundant, and in 1980s in which positive index dominant the precipitation over north china are obvious deficient ; the situation of the yangtse river and huaihe river basin is opposite

    流型指數的年代際變化特徵與我國降水的年代際變化趨勢有一定的關系，負指數偏多的60 、 70年代華北降水偏多，而正指數占優勢的80年代華北降水則明顯偏少；江淮流域的情況則相反。
  7. To simulate the flow direction of freight in crossing hinterland and forecast throughput of some newly built ports, probability model for transportation means is introduced and revised, and negative exponent probability model is established based on it

    摘要為了模擬港口重疊腹地貨運流向情況，並對新建港口吞吐量進行合理預測，引入了概率交通方式預測模型並對其進行改進，且在此基礎上建立了負指數貨運量概率預測模型。
  8. According to deduction and calculation the critical inclination of failure face has a linear relation with the slope angle, a quadratic function relation with the friction angle of failure face, a logarithmic relation with the height of failure part, a negative exponent relation with the cohesion of failure face, and a quadratic function relation with the unit weight of failure body

    通過推導和計算得知，滑面的臨界傾角與邊坡傾角呈線性關系，與破壞面摩擦角呈二次函數關系，與滑體高度呈對數關系，與破壞面的黏聚力呈負指數關系，與巖體重度呈二次函數關系。
  9. To place a minus sign next to negative exponents

    在負指數旁邊放置減號。
  10. The change of hardness along the radial direction also approximately coincides with the exponential de

    側壁硬度的徑向分佈也符合負指數規律。
  11. The thesis first introduce the basic concept and some common methods of network flow assignment, after analysis the limitation of these methods, put forward the negative exponent network flow assignment model

    本文首先介紹了網路配流的基本概念和目前常用的幾種方法，分析了這些方法的局限性后，提出了基於多路徑概率網路配流理論的負指數網路配流模型。
  12. Results show that, clogging situation caused by interception and adsorption of suspend substances or by growth of microorganism, all tends to decrease with negative exponential from, following the increase of infiltration layer depth

    結果表明，不管是懸浮物截留、吸附，還是微生物的生長，所造成的堵塞狀況都呈現出隨濾層厚度增加按負指數形式遞減的趨勢。
  13. The main results were as follows : under the feasible humidity, negative exponent relationship existed between days from sowing to seedling and average temperature, average temperature influenced the days from sowing to seedling mainly

    結果表明：在適宜的墑情下，播種出苗的天數與其間的平均氣溫呈極密切的負指數關系，播種出苗的日平均氣溫時出苗起決定性作用。
  14. By now, there is no simple and practical network flow model that can applied to the network flow in real transportation. the model put up in this thesis attempt to do some work in this field and have some practical value

    目前，還沒有一種簡單實用的網路配流模型可以較好應用於現實的交通運輸網路配流問題，本文提出的負指數網路配流模型在這方面做出嘗試，具有一定的實際應用價值。
  15. The change of the micro - hardness along the radial direction approximately coincides with the exponential decay, that is at the edge of the crater the hardness is the highest and decreases with the increase of the distance from the crater and to the normal value at last

    彈孔側壁硬度的徑向分佈近似符合負指數規律，即在緊鄰側壁處，材料因劇烈變形而強化，隨到側壁距離的增加，硬度值降低，直至降到基體材料硬度水平。
  16. Time, the paper studies rheology of rockfillwith yin zongze model, of two yield surface and rheological relation of negative exponential, and some formulas are obtained it is difficult to determine the rheological parameters, of rock fills through laboratory test for the limited specimen, dimension, short duration and particle, constituents

    本文採用殷宗澤雙屈服面模型與堆石流變的負指數變化關系式，研究堆石的應力與流變關系，並推導了相應公式。在流變參數確定方面，由於室內試驗的試樣尺寸、時間比尺和顆粒破碎很難模擬現場條件，根據室內試驗直接確定堆石的流變參數是困難的。
  17. The paper explored the pdf of the spatial distribution of the day precipitation. the result shows that the weibull distribution is good on describing the heterogeneous of the spatial distribution of the day precipitation in china. the exponential distribution is n ' t ideally suited to the day precipitation

    利用負指數分佈和weibull分佈擬合全國范圍內的逐日降水水平空間概率分佈模式，發現負指數分佈模式並不能很好的擬合大范圍區域逐日降水量場空間分佈型，而weibull分佈的擬合效果很好，表明用weibull分佈描述中國區域逐日降水量空間分佈非均勻性的分佈律是非常適宜的。
  18. In the end, we the find population distribution is approximately according with negative exponential function modal, that means the city population is in adolescent period

    進一步給出數學模型，指出重慶市的人口分布基本符合負指數函數分佈模式，城市還處于成長階段。
  19. At the fixed temperature level, both the permeability and hydraulic conductivity of sandstone decrease with the increasing effective stress, following the law of negative exponent. at the fixed effective stress level, however, the function between hydraulic conductivity and temperature is not a monotone one

    在溫度一定的條件下，砂巖的滲透率和水力傳導系數均隨有效應力的增加而呈負指數規律減小，但在有效應力一定的條件下，水力傳導系數與溫度之間的關系函數並非單調函數。
  20. The test results show that both the permeability of sandstone and that of granite with a single fracture decrease with increasing effective stress, following the law of exponential decay. the permeability sensitivity of granite to effective stress is more stronger than that of sandstone, but the permeability recovery capability of sandstone is more stronger than that of granite

    試驗結果表明，在圍壓升降過程中，砂巖和單裂隙花崗巖的滲透率均隨有效應西南交通大學博士研究生學位論文第日頁力的增加呈負指數規律減小，但單裂隙試件的滲透率對有效應力的敏感程度遠大於砂巖，而砂巖滲透率的恢復程度則遠大於單裂隙試件。
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