指數因子 的英文怎麼說
中文拼音 [zhǐshǔyīnzi]
指數因子
英文
exponential factor-
2. an optimal design that is good for individual function can be realized through adjusting the adding authority gene to have the dispart objective functions given up to each other if certain targets are to be improved during optimization calculating
2 、在優化計算時，要想使某項指標提高，可以通過調整加權因子來實現，使各分目標相互作出一些讓步，以取得一個對于各分目標函數值都比較好的最優方案。And also expounding that the first - fight - time can give explanation to the advanced techniques, the estimating ranges of first - fight - time in alcc estimating are expanded. the type - changed index and type - difference are selected as dummy variables. it has discussed mearsursion of type - changed index, and three criterions and three methods to set models including the dummy variable are got
說明性變量選取：說明性變量的選取基於費用因子分析，特別討論了首飛時間對費用預測的影響，論述了首飛時間能對技術先進性作出說明，拓寬其在費用預測中的作用，選取改型指數虛設變量，研究了改型的量化方法，提出了判別準則和實現方法。The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand
針對流域特點建立了基於水資源的流域可持續發展評價指標體系，引入發展系數、協調系數、公平系數，以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數，提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究，論文根據生態適宜性理論，建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型，利用遙感技術成果以及植物生理需水的現場實驗數據，提出了乾旱區天然植被生態需水量計算方法。So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks
結合國際慣例，文章考慮了股票的凈值市價比（ b p ） ，市盈率倒數（ e p ） ，流通規模（ size ） ，流通比例（ stru ）和財務杠桿（ levge ）等五個財務指標，應用描述性統計檢驗和橫截面統計檢驗等多種方法，結果表明，除系數以外，凈值市價比（ b p ）和流通規模（ size ）對證券收益率部有重要的影響。在論文的第三章，提出了一個基於多因素的風險因子模型，並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數（類似於單指數模型中的系數） ，據此，即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。The main factors affecting the precipitation in the first stage of rainy season in fujian province are pacific sst in preceding june, the western pacific subtropical high area index in preceding may, the asia polar vortex area index in preceding september, the eurasian meridional circulation index in preceding april to june, the 500hpa height in northwest asia in preceding spring. the main factors affecting the precipitation in the second stage of rainy season in fujian province are pacific sst in preceding july and august, the northern hemisphere polar vortex area index in january in same term, the pacific polar vortex intensity index in preceding september, the 500hpa height in south europe in preceding summer
（ 2 ）影響福建省前汛期的主要因子有：前期6月太平洋海溫場、前期5月西太平洋副高面積指數、前期9月亞洲區極渦面積指數、前期4 - 6月歐亞徑向環流指數和前期春季亞洲西北部500hpa高度場；影響后汛期的主要因子有：前期7月太平洋海溫場、前期8月太平洋海溫場、同期1月北半球極渦面積指數、前期9月太平洋區極渦強度指數和前期夏季歐洲南部500hpa高度場。The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them, which is therefore quite applicable to a extended area. ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas, and spatial changes are opposite pattern from the noth to the south and the west to the east. the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin, east of the qinghai - xizang plateau
但修訂過的zndx指數根據氣溫、土壤濕度及前期氣候濕潤度等因子能夠客觀的反映出西北地區的旱澇特徵。 （ 3 ）西北地區季與年區域旱澇等級表明：西北地區的乾旱雨澇有顯著的階段性和年際變化特徵。 1980 』 s到1990 』 s中期，氣候較濕潤，土壤濕度增墑較明顯； 1990 』 s中期以後是40年乾旱最異常的時段； 1960 』 s旱澇交替發生，旱澇趨勢接近常年； 1970 』 s氣候雖乾旱，但沒有1990 』 s中後期顯著。The equation of the radiation transfer between two surfaces indicates that there are three factors that have influence on radiation transfer : brdf, projected solid angle ( psa ), and incident radiation flux. thereafter, a new baffle system design idea is put forward
本文首先介紹了光學系統雜光的抑制措施，從光輻射在兩個表面傳遞的基本能量傳輸方程出發，指出影響輻射能量傳輸的三個因子：雙向反射分佈系數brdf 、投影立體角psa和入射輻射通量。It is also indicated that it is not benefit to contain more time number in multi - time factors in order to avoid " dimension disaster "
同時又指出，在多時刻因子中並不是包含的時刻越多越好，以防出現「維數災」現象。Three parameters, the fractional temperature coefficient, the sensitivity of transconductance to voltage supply and improvement factor, are introduced
在分析中，本論文引入並使用了跨導的相對溫度系數、跨導對電源電壓的敏感度、跨導穩定性改善因子三項指標。For protein identification, proteins spots of interest on the gels stained with colloidal coomassie brilliant blue g - 250 were excised, digested in - gel with trypsin, and analyzed by peptide mass fingerprinting ( pmf ) with matrix assisted laser desorption / ionization - mass spectrometry ( maldi - ms ). erp60, trypsinogen, proelastase, lipaseandso on were identified. this will enable us to present an overview of the proteins expressed in rat pancreas tissues and lays the basis for subsequent comparative proteome analysis studies with pancreas development
從中隨機選擇一些差異蛋白質點，進行基質輔助激光解吸-電離飛行時間質譜（ maldi - tof - ms ）測定其膠內酶解后的肽質指紋圖譜，用mascot軟體查詢swiss - port數據庫，初步鑒定為一些與生長發育、物質代謝、細胞因子、信號轉導等有關的蛋白質，如erp60 、 trypsinogen 、 proelastase 、 lipase等。Eleven parameters of wood structure and their wood dyeing effects for 34 pi eces of sample panel from 5 trees of chinese white poplar from plantation were e xamined based on the data to carry on the multiple regression analysis
結果表明，毛白楊木材的染色效果與解剖因子之間有一定的相關關系，各染色效果指標與木材解剖因子間的復相關系數在0 . 4836 0 . 7998之間。On the base of i. acidophilus strains pb1 mixed with enterococcus strains m1, pb2, a30, a31, bifidobacteria pba and inf were added in the culture. the results suggested pba and inf were limited on the co - cultures, its indicated that pba and inf grew badly with other probiotics in vitro each mice were given 0. 5ml fermentative liquor of probiotics strains pbl + a30, pba, pb1, m1, pb1 + m1, pb1 + a30 for one month
將幾株體外性狀好的菌株pba 、 pb1 、 m1 、 pb1 + m1 、 pb1 + a30 ，每天以0 . 5ml每隻發酵液的量灌胃給正常小白鼠，時間30天，測定小鼠免疫器官指數和血清中細胞因子的變化，並觀察小鼠脾臟的變化。Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications
本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits
本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究，表明除正常幼苗百分率外，其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關，因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展，指明通過遺傳育種手段改良這些性狀是可能的A0 is bigger when the gasification temperature is higher. as the initial pore structure parameter is affected by the change of pore structure at different pyrolysis temperatures
應用此模型計算四種煤焦反應活化能、指前因子、孔結構參數、 a0等動力學參數值。New york ( reuters health ) may 16 - an elevated white blood cell count is indicative of cardiovascular morbidity in patients with high blood pressure, according to italian researchers
紐約（路透通訊社健康版） 5月16日-據義大利研究人員所述，白細胞計數升高是高血壓患者的心血管疾病死亡率的指示因子。Lt is obvious that the decaying rule of average reverberation intensity is affected by scattering coefficient of sea floor, sound speed profile, inclination of bottom etc. the sea floor scattering function is the most importan factor to the intensity decaying rule
結果表明：海底散射方向性指數因子、海水聲速梯度、海底傾斜角等對海洋混響平均強度的衰減皆有影響。海底散射方向性指數因子對其影響最大，即適當選取海底散射模型是淺海近程混響建模的首要因素。First the thesis elaborate the basis principles of land sustainable use, according to the natural and social economy situation, the characteristics of the land use, the aids and the principle of evaluation, we work out an index system form four aspects of productivity, protection, viability, acceptability. the weigh of indexes are defined by means of analytic hierarchy process, the standardization of indexes are defined by effective function, then, we use multi - aid decision model which mainly reflects that indictors influence on aim and multi - aid liner function which mainly reflects aim the degree of land sustainable use during 1996 and 1999 in taigu
論文從土地資源可持續利用的基本理論入手，結合太谷縣的自然、社會經濟狀況與土地利用的特點，依據評價的目標和原則，從生產性、資源保護性、經濟可行性、社會可接受性四個方面，採用專家咨詢法建立了太谷縣土地資源可持續利用評價指標體系，採用層次分析法確定了指標權重，應用功效函數法進行評價指標的標準化處理，運用反映評價指標因子對評價目標的影響程度的多目標突變決策模型和反映評價目標的可持續利用程度的多目標線性加權相結合的方法，對太谷縣1996年到1999年的土地利用情況進行了評價。3. making the synthetic analysis with models and methods of rs and gis, this thesis achieves the data collection and information extraction of the ecological function regionalization indicators system, form the research achievements fixed region ecology environment system shape form. and analysis the land cover, vegetation cover, soil erosion etc. with rs, gis tools
3 .採用遙感技術和地理信息系統技術的多種模型與方法綜合分析，實現生態功能區劃指標體系各指標因子的數據收集和信息提取，形成定量反映區域生態環境系統安全形狀的研究成果:並對土地覆蓋、植被覆蓋、水土流失等主要因子進行了遙感分析和gis空間分析。The independent factors including three groups are described as follows : private information ; the librarians ' subjective well ; the librarians ' organizational commitment
模型的自變量涉及三類：人口學的基本信息；快樂指數因子；組織承諾因子。分享友人