重量因子 的英文怎麼說
中文拼音 [zhòngliángyīnzi]
重量因子
英文
chemical factor- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 因 : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 重量 : weight; scale; heft
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The remote sensing quantitative retrieval model for the appraisable factors of desertification monitoring are founded. in naiman country, inner mongolia, the experimental area, the hyperspectral imaging spectrometer data in plant growth seasons are collected by state - produced airborne hyperspectral imaging spectrometer omis - i, and the etm + image is also obtained. meanwhile, ground investigation and measurement are made, which include the measurement on reflection feature of different kinds of geo - targets and the ground investigation data necessary for spectral rebuilding and retrieval models of the appraisable factors of desertification monitoring
本研究以內蒙古奈曼旗作為研究試驗區,採用我國自行研製的機載高光譜成像光譜儀omis - ,在植被生長季節取得高光譜解析度成像光譜儀數據和etm ~ +圖像,並進行了同步的地面調查及量測,包括不同類型地物反射特性量測和光譜重建以及荒漠化監測評價因子定量反演模型所必需的地面樣方調查數據。And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。Go still one step further on the traditional antibacterial method of mere cataloes, adopt nanotechnology to incorporate the antibacterial catalyst in the top layer of floor, realize long - efficiency trace release antibacterial factor, reach, sterilize, except that peculiar smell and purify the treble efficiency of air
在傳統的光觸酶抗菌方法上更進一步,採用納米技術將抗菌催化劑融入地板表層,實現長效微量釋放抗菌因子,達到殺菌、除異味和凈化空氣三重功效。The ecological function is being payed more and more attention compare with the economic function of urban agriculture. the overuse of fertilizer and castoff corned from animal excretion have been the big problems of environmental
目前,影響順義區冬小麥產量潛力發揮的最大障礙因子是水分。 ( 3 )都市型農業在強調經濟功能的同時,更注重的是生態功能的發揮。And tess won t look pretty in her best cloze no mo - o - ore ! her mother chimed in to the same tune : a certain way she had of making her labours in the house seem heavier than they were by prolonging them indefinitely, also weighed in the argument
她的母親也在一邊幫腔,唱著同樣的調子:她要是不去,那就是把家裡的負擔無限期地延長了,使家裡的負擔比原來變得更重了,因此這也加重了她母親說的話的分量。Through cultivating the cochineal in 4 counties which belonging to tropical, south sub - tropical and mid sub - tropical zones, the life tables of the cochineal in each county are established and the survival percentage of each stage as well as the key factor of death in each climate type is studied. in the meantime, the sample of the cochineal of each county is collected to test the size, eggs and weight, through comparing these biological index, the best zones, better zones and other zones for cultivation of the cochineal are pointed out. on the basis of above study, the zones for cultivating the cochineal are marked out in yunnan province
在雲南熱帶、南亞熱帶、中亞熱帶三個氣候類型下的4個縣(市)放養胭脂蟲,應用生命表技術,研究各氣候類型下胭脂蟲的存活情況並分析出各氣候類型下胭脂蟲的主要致死因子,同時,採集各地培育的胭脂蟲樣品測定蟲體大小、懷卵量及重量,通過比較這些生物學指標,得出胭脂蟲的最適生區、次適生區及適生區,並以此為依據,對雲南省胭脂蟲的培育進行了區劃。Zhoushan is sea area which fertility is tiptop in our country. sea surface wind is important factor of influencing contrail of excursion oil and culturist so investigating sea surface wind of zhoushan and setting up numerical forecast model which fits this sea area can offer tool for study sea wind in this area and let us has a mensurable acquaintance ship of effect degree of physics factors which effect sea surface wind in zhoushan sea area and acquaint oneself with physic process
而海面風是影響溢油油團漂移軌跡和養殖業的重要因素,因此,對舟山海域的海面風進行研究,建立適合此區域的數值預報模式,可為研究該區域海面風作用過程提供數值預報工具,使我們對近海區域海面風場作用中物理因子的影響程度有更定量的認識,並對物理過程和影響機制有更深刻地了解。By investigation on the relationship between period, quantity, extend of ostrinia furnacalis emergence and meteorological factors in qiqihaer, this paper analyzes the factors which effect on period, quantity, extend of ostrinia furnacalis about annual wave. the beginning time of ostrinia furnacalis pupae emergence depends on average temperature in may and june, weather conditions in july decide whether ostrinia furnacalis pupae finish ahead of time ; the beginning time of eclosion is decided by average lowest temperature and precipitation in may and june, and the end time of eclosion is decided by average lowest temperature in june and july, meantime, the length of time of ostrinia furnacalis eclosion and time of grub emergence influence on the extent of ostrinia furnacalis. an important condition of a great emergence of ostrinia furnacalis is that how temperature matchs humidity, which substantially result in reduction of maize output
本研究項目通過對齊齊哈爾市玉米螟發生期、發生量、發生程度與氣象條件關系的分析,找出玉米螟發生期、發生量、發生程度年際波動的影響因子: 5 、 6月的平均氣溫決定了玉米螟化蛹開始的早晚, 7月的天氣條件決定玉米螟化蛹是否提前結束; 5 、 6月的平均最低氣溫和降水則決定羽化開始的早晚, 6 、 7月的平均最低氣溫又決定了玉米螟羽化結束的早晚;而玉米螟羽化持續時間的長短和幼蟲發生的早晚影響了玉米螟的發生程度;溫濕條件配合適當與否是促使玉米螟大發生的重要條件,玉米螟大發生又會引起玉米的大幅度減產。Considering that the enterprise cannot research the " customer - enterprise " value deeply, on the basis of that, the paper puts forward evaluating system of customer value in the enterprise according to value contribution, applies ahp to analyze weight of the indexes in consultation with marketing management and selling personnel of the enterprise and relevant experts and then exert clustering analysis and sas software to classify the customers according to the current value and potential value, provide the strategies of the customer classification management. in addition, any resource is exiguity, including economical resource. this paper defines economical resource, puts forward the model of optimum distributing resource and utilizes the method of linear regress equation to get result, which to grope for a new method about calculating marketing expenditure
本文首先界定了客戶和客戶價值的含義,同時闡述了關系營銷中客戶價值的理論以及客戶價值的影響因素,針對目前「客戶?企業」價值的研究還不成熟的研究現狀,以及現實中還沒有定量分析客戶價值大小的方法,本文提出了一套具有可操作性的客戶價值評價的指標體系,對客戶可以進行比較全面的、多角度的評價,同時採用ahp法對這個評價體系中的各指標因子賦以合理的權重,然後運用聚類分析法和sas統計軟體對客戶群進行了科學地細分,在此基礎上幫助企業制定出不同細分客戶群組的營銷策略;除此之外,考慮到目前企業對于營銷資源的合理分配問題還沒有進行過深入地討論,本著企業經營的根本目的是盈利的原則,論文結合經濟學原理以及計量經濟學中的多元線性回歸分析提出了實現利潤最大化的營銷資源配置的優化模型,旨在探索一種銷售費用最優配置的方法。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 。Management of n in agricultural ecosystem is one of the most essential factors for agricultural sustainability. injudicious use of nitrogen fertilizer has induced a crucial environmental problem, which includes volatilization of nox to the atmosphere, acid rain, induced leaching of soil nutrients, changes in the global n cycle, and nitrate pollution of groundwater
農田生態系統中長期單一、過量偏施化學肥料特別是化學氮肥,造成農產品品質下降,肥料利用率低,不僅增加了農業生產成本,還嚴重污染環境,已成為農業可持續發展的一個重要制約因子。Based on the kano model analysis, a formula to calculate the importance rating of achieving the improvement increment of competitive seating arrangement was presented, and then the correct factors of the fundamental importance ratings were determined
基於卡諾模型的分析,提出了實現顧客需求競爭位次改進增量的重要性計算公式,進而確定了基本重要度的修正因子。A single - factor experiment was designed to research the effect of nutrition level on body weight of multiparous sows during gestation through investigating the effect of gestation nutrition on the reproduction performance of multiparous sows in subsequent 3 parities and based on regression analysis of feed intake as well as lactation weight loss and reproduction performance during gestation
摘要採用單因子試驗設計,通過對妊娠期不同營養水平連續3胎經產母豬生產的研究,建立妊娠期採食量與泌乳損失及繁殖性能等之間關系的回歸方程,研究妊娠期不同營養水平對經產母豬體重變化的影響。The order of the seed yield components to its yield is weight per seed > seed numbers per spikelet > florets per spikelet > spikelets per shoot > shoots
6個模型中, 5個種子產量因子每提高1個單位對其種子產量的提高大小排序為單粒種子重每小穗種子粒數每小穗小花數每生殖枝小穗數生殖枝數。In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor
針對當前黑土利用現狀,本文借鑒眾多學者的研究方法和觀點,在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地,在玉米區進行了不同數量的施肥,通過野外試驗,採集一年自然降雨產流及泥沙樣品,同時採集降雨前後的耕層土壤樣品,研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響,結果表明:土壤侵蝕和氮磷的流失受諸多因素的影響,降雨量、降雨強度是重要因子,而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子,特別是暴雨,暴雨徑流中氮磷濃度較平時高得多;隨作物生長,覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異,氮磷流失都表現為顯著的差異。( 2000 ). the neutron irradiation is assumed to derive primarily by the reaction 13c ( a, n ) i60 with a minor contribution from the marginal burning of 22ne through the channel 22ne ( a n ) 23mg in the final, high temprature phase of each flash. and we considered the influence of the various parameters such as the initial core mass, the envelope mass, the mass - loss rate, the overlap factor and the delution factor etc., and we vary their value with the pulse number
本文採用分叉s -過程反應通道,以~ ( 13 ) c ( , n ) ~ ( 16 ) o 、 ~ ( 22 ) ne ( , n ) ~ ( 25 ) mg為雙脈沖中子源,用最新的中子俘獲截面,利用gallino和busso等人給出的agb星三殼層核合成模型,考慮到核心質量、挖掘程度、重疊因子、稀釋因子及星風質量損失率隨脈沖數的變化,詳細計算和研究了各個金屬豐度情況下的3m 。The transmission characteristics of the inverted telescope, and the influence of beam quality, beam parameter and light system parameter are analyzed with lens beam transmission theory and definition of the beam quality factor m ^ 2, and a rational explanation of the active focal depth is obtained
摘要利用透鏡光束傳輸規律和光束質量因子平方公尺的定義,闡述倒置望遠鏡導光系統在超重超大工件高功率激光加工中的傳輸特性,以及光束質量、光束參數、導光系統參數在加工范圍內對穩定加工質量的影響,並對有效焦深給出一個更合理的解釋。According to the relationship between material fatigue performance curve and concerned parameters in fracture mechanics, the relationship between fatigue life and crack half length is obtained, that is equivalent crack length of fatigue life. the function relationships between these two aspects are constructed. the experiment data show that this method can express the same character of fatigue life of all kinds of materials and experiment data acquired from different materials can be used each other
通過材料力學疲勞性能曲線和斷裂力學之間有關參量間的演變關系,得到了疲勞壽命與裂紋半長的關系,即疲勞壽命的折算裂紋長度,建立了兩者之間的函數關系並利用這個函數關系說明了疲勞壽命的切線模量因子法,能反映各種材料疲勞壽命的共同變化規律,試驗數據可在不同材料之間互相參考使用,具有重大意義。Firstly, we estimate the variance and the mean of each cell with maximum likelihood ; secondly, we identify the important dispersion effects based on least squares analysis of the logarithm of within - replication variance ; last, we identify the important location effects based on weighted least squares analysis of the mean of each cell. a simulation study also demonstrates its superiority over some existing methods. an experiment for the robust design of thermostat is used to illustrate the method
本文對帶有右截尾數據的有重復因子試驗,提出了另一種分析位置效應和散度效應的方法:首先,在每一個試驗點,對重復試驗觀察值用極大似然法估計出均值和方差;其次,用每個試驗點方差估計值的對數作為響應變量與各因子建立回歸模型,鑒別出顯著的散度效應;之後,採用加權最小二乘法鑒別出比較顯著的位置效應。This paper focuses on the theories and controller designs of forward neural netwoks ? bp network. at first, the structure and algorithms of bp network are deeply researched, the ralations between momentum factor and convergence speed 、 convergence accuracy are revealed and a kind of improved bp algorithm is presented. then the identification method based on bp network with adaptive learning rate is studied and the simulaton indicates it can adaptively track the plant
本課題主要針對前向神經網路? ? bp網路理論與控制器設計進行研究。首先重點對bp網路的結構和學習演算法進行了深入研究,揭示了動量因子與網路收斂速度、收斂精度之間的關系,並提出了一種改進的演算法。然後研究了採用自適應學習率bp網路的辨識方法,模擬說明其可以自適應地跟蹤辨識被控對象。分享友人