background value造句
造句與例句
手機(jī)版
- Soil quality - guidance on the determination of background values
土壤質(zhì)量.基本值測(cè)定指南 - Soil quality - guidance on the determination of background values
土壤質(zhì)量.基本值測(cè)定指南 - Analyze the defect of gray prediction formula , and point out the structure of background value ha ' s an important influence on the precision
對(duì)gm ( 1 ， 1 )模型中背景值的計(jì)算方法進(jìn)行改進(jìn)，這種改進(jìn)使模型具有對(duì)建模結(jié)果進(jìn)行優(yōu)化的能力。 - In the campania region , baseline and background values are often coincident , where the samples represent catchment basins away from urban or industrial areas
在坎帕尼亞地區(qū)，樣品代表的是遠(yuǎn)離市區(qū)或者工業(yè)區(qū)的匯水盆地，所以基線值和背景值經(jīng)常是吻合的。 - The sources , background value , environmental geochemistry features of fluorine , and its biological effects on animals , plants and human beings were reviewed
闡述了環(huán)境中氟污染的來(lái)源、本底值和氟的主要環(huán)境地球化學(xué)特征及氟對(duì)植物、動(dòng)物和人機(jī)體的生物效應(yīng)。 - As shown by the experimental results , the treatment either with phosphoric acid or by heating with microwave , the interference of high background values was effectively eliminated
試驗(yàn)結(jié)果顯示，或用磷酸處理，或經(jīng)微波加熱處理，均能有效消除高背景的干擾。 - This paper systemically contrasts and analyses the background value and its distribution , the relationship between element enrichment and ore - foming of the four units
依據(jù)1 ： 20萬(wàn)水系沉積物測(cè)量數(shù)據(jù)，對(duì)比分析了主要成礦元素在整個(gè)成礦帶及4個(gè)構(gòu)造單元的背景值、元素的空間分布規(guī)律、元素富集特征及其與成礦的關(guān)系等。 - From the point of view , a new calculation formula of background value is proposed , and the improvement could make the gray model have the ability to optimize the modeling so as to obtain the optimal results
同時(shí)引入概率論的知識(shí)，并結(jié)合馬爾可夫模型動(dòng)態(tài)的預(yù)測(cè)將來(lái)各年的經(jīng)營(yíng)狀況以及各種狀況的概率，以提高預(yù)測(cè)的精確性。 - ( 5 ) in some regions covered by black shales continuously , black shales weathering might be the cause of variations of regional background values , thus the cause of some endemics and other geochemical diseases
( 5 )在黑色頁(yè)巖連續(xù)分布區(qū)內(nèi)，黑色頁(yè)巖風(fēng)化、區(qū)域元素背景值、地克病等地球化學(xué)病癥三者之間具有某種程度的因果關(guān)系。 - According to character of the magnetic data and susceptibility observation values , the thesis analyzes and deals with them by some reasonable methods , for instance the wavelet eliminating noise , the stepwise separated operator separating regional and local magnetic field , the foreboded statistics method distilling susceptibility background value
處理磁測(cè)和磁化率觀測(cè)值時(shí)，給出的多種合適的方法(如小波去噪方法、分離區(qū)域磁場(chǎng)和油氣局部磁場(chǎng)的逐次分離算子以及提取黃土磁化率背景值的先驗(yàn)統(tǒng)計(jì)提取法等)使數(shù)據(jù)的有效性顯著提高。 - It's difficult to see background value in a sentence. 用background value造句挺難的
- We attempted to advance the certainty method based on the background value of earthquake ground motion ' s parameters , combined the probability seismic risk analysis and certainty seismic risk analysis to study the characteristics of earthquake ground motion ' s parameters in jianghuai region which is medium - strong earthquakes ' transition region , and protracted the calculating background values of earthquake ground motion ' s parameters to plane equivalence value maps and solid equivalence value maps
摘要嘗試性地提出了基于地震動(dòng)參數(shù)背景值的確定性方法，將概率性地震危險(xiǎn)性分析和確定性地震危險(xiǎn)性分析相結(jié)合，對(duì)江淮地區(qū)這一中強(qiáng)震過(guò)渡區(qū)的地震動(dòng)參數(shù)特徵進(jìn)行了研究，并把地震動(dòng)參數(shù)背景值的計(jì)算結(jié)果繪制成平面等值線圖和立體等高線圖。 - The country has made substantial scientific and technological achievements in some research areas , such as the comprehensive prevention and control of beijing ' s environmental pollution , the capacity of the atmospheric environment , the background value and environmental capacity of the nation ' s major soils , acid deposition and its impact and control , the forecasting and monitoring of the influence of the changes in the global climate and corresponding countermeasures , the depollution of coal , and the control of air pollution
國(guó)家取得了北京市環(huán)境污染綜合防治研究、大氣環(huán)境容量研究、全國(guó)主要土壤背景值與環(huán)境容量研究、酸沉降及其影響和控制技術(shù)研究、全球氣候變化預(yù)測(cè)影響和對(duì)策研究、潔凈煤及大氣污染控制技術(shù)研究等一大批科技成果。 - On the basis of previous studies , the paper presents a comprehensive review and summary on the influence of sediment to water quality in the yellow river , highlighting four issues : 1 the influence of the sediment on pollutant behavier , 2 the relationship between sediment - associated natural organic matter and water quality parameters of oxygen - consuming organic pollutants and its influence on the assessment of the water quality in the yellow river , 3 the relationship between the heavy metal background values of the sediment and the water quality parameters of the heavy metals and its influence on the assessment of the pollution of the yellow river , 4 the influence of sediment ? ? containing much carbonates in the yellow river on the water quality and the monitoring of the water quality
黃河是世界上罕見(jiàn)的多泥沙河流，泥沙與水相互作用對(duì)黃河水質(zhì)產(chǎn)生顯著影響。根據(jù)以往研究工作，對(duì)黃河泥沙與水質(zhì)的關(guān)系問(wèn)題作全面的總結(jié)評(píng)述和展望，著重于4個(gè)問(wèn)題： 1黃河泥沙對(duì)污染物行為的影響2黃河泥沙中的天然有機(jī)質(zhì)與黃河耗氧有機(jī)物水質(zhì)參數(shù)的關(guān)系和對(duì)污染評(píng)價(jià)的影響3黃河泥沙中的本底量重金屬與黃河重金屬水質(zhì)參數(shù)的關(guān)系和對(duì)污染評(píng)價(jià)的影響4黃河泥沙中的碳酸鹽對(duì)水質(zhì)和對(duì)水質(zhì)監(jiān)測(cè)研究的影響。 - It is shown that the radioactivity level of tin polymetallic ore , undressed ore and adjacent formation is affected by the strata and mineralization type , the radioactivity level of sulfide ore is not high as a whole , while that of tin ore generally is several times higher than the background value and that of debris and slag is also relatively high , whose impact on the environment is not neglectable
錫多金屬礦原礦及圍巖放射性水平受地層與礦化類型影響很大，硫化礦整體放射性水平不高，砂錫礦卻普遍高出背景值數(shù)倍，尾礦、爐渣放射性水平也相對(duì)較高，對(duì)環(huán)境的影響不容忽視。 - At present we already use tradition method ( non - linearity parameter estimate method - , logarithm coordinate graph explain method and surplus analysis method ) ascertain measure area ' s every element ' s background value and abnormity lower limit , manage result is difference between real data . this article use fractal method ' s sum arithmetic ascertain geochemistry abnormity . by the contrast of these two arithmetic and abnormity graph , we think receive better effect
目前可用傳統(tǒng)的方法(非線性參數(shù)估計(jì)法、對(duì)數(shù)坐標(biāo)圖解法和剩余分析法)確定測(cè)區(qū)各元素的背景值和異常下限，處理結(jié)果與實(shí)際資料有一定差異。本文用分形技術(shù)中的求和算法來(lái)確定地球化學(xué)元素的異常下限，實(shí)踐證明，其處理結(jié)果具有較好的效果。 - On the basis of previous studies , the paper presents a comprehensive review and summary on the influence of sediment to water quality in the yellow river , highlighting four issues : 1 the influence of the sediment on pollutant behavier , 2 the relationship between sediment - associated natural organic matter and water quality parameters of oxygen - consuming organic pollutants and its influence on the assessment of the water quality in the yellow river , 3 the relationship between the heavy metal background values of the sediment and the water quality parameters of the heavy metals and its influence on the assessment of the pollution of the yellow river , 4 the influence of sedimentcontaining much carbonates in the yellow river on the water quality and the monitoring of the water quality
黃河是世界上罕見(jiàn)的多泥沙河流，泥沙與水相互作用對(duì)黃河水質(zhì)產(chǎn)生顯著影響。根據(jù)以往研究工作，對(duì)黃河泥沙與水質(zhì)的關(guān)系問(wèn)題作全面的總結(jié)評(píng)述和展望，著重于4個(gè)問(wèn)題： 1黃河泥沙對(duì)污染物行為的影響2黃河泥沙中的天然有機(jī)質(zhì)與黃河耗氧有機(jī)物水質(zhì)參數(shù)的關(guān)系和對(duì)污染評(píng)價(jià)的影響3黃河泥沙中的本底量重金屬與黃河重金屬水質(zhì)參數(shù)的關(guān)系和對(duì)污染評(píng)價(jià)的影響4黃河泥沙中的碳酸鹽對(duì)水質(zhì)和對(duì)水質(zhì)監(jiān)測(cè)研究的影響。 - 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(jié)果如下：首先針對(duì)荒漠化地區(qū)的地物特征，對(duì)高光譜數(shù)據(jù)不同波段的數(shù)據(jù)質(zhì)量、波段組合進(jìn)行了評(píng)價(jià)，提出了適用于荒漠化監(jiān)測(cè)的基本波段選擇集；初步了解和掌握了研究地區(qū)的地物光譜特性及變異規(guī)律，進(jìn)一步明確了掌握地物光譜特征和變異規(guī)律是用成像光譜儀數(shù)據(jù)提取地物信息的基礎(chǔ)；發(fā)現(xiàn)了基于光譜整體形狀的分類方法在很大程度上能夠消除由于傳感器、地物目標(biāo)觀測(cè)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(xiàn)象，對(duì)于譜形相似而整體反射率的值相差較大的兩類地物，通過(guò)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(nèi)的波段是進(jìn)行荒漠化監(jiān)測(cè)的主要特征波段，這些波段與植被生物量和蓋度都有密切的關(guān)系，是開(kāi)展精細(xì)植被分類研究和植被定量反演的重要基礎(chǔ)；像元的導(dǎo)數(shù)光譜分析可以消除土壤背景的影響，是進(jìn)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(jiān)測(cè)主要評(píng)價(jià)因子的定量反演模型，并分析了模型的適用性。
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