色變指數 的英文怎麼說
中文拼音 [shǎibiànzhǐshǔ]
色變指數
英文
cai-
Special metamerism - index for pairs of samples at change in illuminant
試樣對光變換條件配色指數1 metamerism index - evaluation method of degree of metamerism for change in illuminant erratum 1
條件配色指數.發光物顏色改變的條件配色度的評價方法Shannon index showed biggest variations of populations was mignonette leaf on wulimu grass. 4
從shannon指數來看,群體變異程度最大的是五里木灰綠色羊草。The effect of hexadecy pyridine choride on the dissociation constants of thymol blue bromide, cresol red, o - ckesolphthalein and thymol blue, as well as their the colour - changing ranges were studied by spectrophotometry
探討了表面活性劑氯化十六烷基吡啶形成的膠束對溴百里香酚藍、甲酚紅、鄰甲苯酚酞和百里香酚藍離解反應的離解常數的影響,同時,也研究了該表面活性劑對上述四種酸堿指示劑變色范圍的影響。Two indexes was calculated to estimate the best bands union for color combination, one is optimum index factor ( oif, the sum of standard deviation divided by the sum of correlation coefficient. ), the other is the determinant of the co - variance matrix. it can be seen from the result that for color combination the original optimal bands were tm 4, 3, 7 and tm 4, 3, 5, the best mixed images were mnf1, br and ndvi
以協方差矩陣行列式值和最佳指數值(組合波段標準差之和除以相關系數之和)為評價標準,得出對于tm原始波段而言,最佳的彩色合成組合是tm4 、 3 、 7和tm4 、 3 、 5 ;綜合幾種變換圖像的彩色合成的最佳組合是mnf1 、 br 、 ndvi 。Scientists have long thought that the bright colors of autumn foliage were just the by - product of how leaves age when they cease photosynthesis, but hagen and his colleagues report that the earlier and the more trees changed color, the less damage from chewing occurred the following season
長久以來,科學家都認為秋天鮮?的樹葉顏色,不過是葉子老化、不再行光合作用后的副產品罷了;然而哈根及同事的報告卻指出,如果樹木變色的時間越早、數量越多,下一季受到蟲咬的傷害就越低。We have calculated and plotted the curves of the refractive index, group velocity index, lowest - order and second - order dispersion indexes as a function of wavelength. the lowest - order and higher - order dispersion - induced broadening and deforming of light pulses is analyzed for various pulse shapes, such as gaussian, super - gaussian and hyperbolic secant pulses
給出了折射率、群速指數、低階和二階色散系數隨波長變化的關系曲線,研究了高斯脈沖、超高斯脈沖和雙曲正割脈沖等超短脈沖在clbo晶體中傳播時,由於低階色散和高階色散引起的脈沖展寬和形變。Plantlets with microtubers of d. pathaica and d. composite could obtain completed regenerated plantlets on ms or 1 / 2ms
0和156 3 ;多倍體葉色更加濃綠,葉形指數變小,多倍體葉形指數分別為二倍體的99和97 。Abstract : some problems related to “ variation of chromosome number ” in some teaching materials of genetics are presented in this article. these problems are involved in some conceptions such as haploid, chromosome set and aneuploid that are defined unclearly and confusedly in these books
摘要指出了高校有關遺傳學教材「染色體數目變異」一節中,部分概念如單倍體、染色體組、非整倍體等存在的概念表述不清、前後矛盾等問題,並提出了相應的修改意見。Adopting the actual county - grade database of land use firstly founded in china, combining with the comprehensive influential factors of land use change, using the correlative statistic software and the mathematic analytical methods ( principal component analysis, gray relating analysis, multivariate time series markov chain analysis, multivariate regression analysis, gm ( 1, 1 ) gray model, gray series gm ( 1, n ) model methods etc ), this paper analyses the dynamic change of land use and driving force in jiang ' an county qualitatively and quantitatively. the results indicate : 1 the land resource per capita and the area of single - land - use type in jiang ' an county are not prior to other places in yibing city or sichuan province. however, the terrain is dominant in choosing the way of land use
本文採用全國首批建立的「縣級土地利用現狀數據庫」的基礎數據,結合影響土地利用變化的經濟、社會、環境等綜合因素,採用相關分析軟體( dps 、 spss )和數學分析方法(主成分分析、灰色關聯度分析、多元回歸分析、多元時空序列馬爾柯夫鏈分析、 gm ( 1 , 1 )預測模型分析、灰色序列gm ( 1 , n )模型分析等方法) ,對江安縣土地利用變化及其驅動力進行定性、定量研究,研究結果表明: 1江安縣人均總的土地資源數量和單一土地利用類型的數量在宜賓或四川省區域內均無優勢;地形對土地利用方式的選擇起著主導作用;土地利用變化的總趨勢是:耕地、林地、交通用地和水域面積不斷減少,居民點及工礦用地和未利用地面積不斷增加;景觀多樣性指數呈現「 」趨勢。This paper presents the following innovation : 1. this paper proposes the gray - index moving combined forecast model, which combines the single - index moving method with gray disaster prediction theory. the joint model solves the problem of deviation and lag in single - index moving forecasting method in some degree, and prediction accuracy and reliability is improved
將灰色災變預測與一次指數平滑法相互結合、相互補充,在一定程度上控制了一次指數平滑法預測時的誤差積累,從而修正了用一次指數平滑法預測所帶來的偏差和滯后,提高了預測結果的可靠性和精度。Three shaped profiles ( parabola, linear, and exponential ) have been considered. the exponential dispersion profile fiber loop is optimal for the propagation and compression of picosecond pulse. on the contrary, the parabola dispersion profile fiber loop is optimal for femtosecond pulse due to the high order effects such as the third order dispersion ( tod ), stimulated raman scattering ( srs ) and self steeping ( ss )
( 3 )研究不同色散遞減類型(拋物線遞減、線性遞減、指數遞減)光纖構成的環形腔中傳輸的特性,發現其色散曲線為指數遞減型光纖有利於皮秒光脈沖的傳輸與壓縮;而對于飛秒脈沖,由於三階色散( tod ) 、脈沖拉曼自散射( srs )及自變陡( ss )等高階非線性效應的影響,情況恰恰相反;色散曲線為拋物線遞減型的光纖構成的光纖環最有利於脈沖傳輸與壓縮。Long period variability and color indices variability of
714的長期光變和色指數變化Under the direction of chinese soil taxonomy, part purple soils developed on the purplish standstones of j2 # j3 in sichuan basin were systematically studiedaccording to natural landscape, profile modality and quick - test, applying to methods statistic analysis and system integration, main affecting factors, indexs of soil series taxonomy and retrieval orders were systematically discussed. the results showed : 1 ) organic substance, total nityogen, total phosphate, total potassium and particle size composition were distinctly related with many soil characters. organic substance, calcium carbonate, available phosphate # size composition were much different in all swatches. besides, soil structure and the depth had profound affection to it. 2 ) affecting factors : soil structure, texture style and organic substance phosphorous
本文以土壤系統分類理論為指導,以四川盆地侏羅系蓬萊鎮組、沙溪廟組和遂寧組紫色巖上發育形成的部分紫色土為研究對象,利用spss統計軟體相關功能,結合供試土壤的自然景觀、剖面形態和室內測定的理化性質,對土系分化的影響因子、土系劃分指標和檢索順序進行了系統的探討,結論如下: ( 1 ) 、供試紫色土中有機質、全氮、全磷、全鉀和顆粒組成與多個土壤性質均呈顯著或極顯著相關;有機質、碳酸鈣、有效磷、顆粒組成等性質在供試土壤方差分析中變異系數均較大;土體構型及土體的深度對土壤性質也有深刻影響。The humidity indicator dots will change from blue to pink as the relative humidity increases in the volume of air surrounding the indicator
當濕度指示卡周圍環境中的濕度提升到一定的數值時候,指示卡上相應的指示點會從藍色變為粉紅色。The grey an ordered series of numbers forecasting is using dynamic gm ' s model, and the time alignment to the system carries on the forecasting of quantity dimension, and with namelying main action characteristic capacity or certain quota to the system is developed numerical value that changes the emergence to the specially designated or appointed moment of future to calculate
灰色數列預測是指利用動態gm模型,對系統的時間序列進行數量大小的預測,即對系統的主行為特徵量或某項指標,發展變化到未來特定時刻出現的數值進行預測。Shannon index showed biggest variations of populations was grayer leaf on green grass
從shannon指數來看,群體變異程度最大的是綠色草原灰色羊草。Part two : organizing strategy of cooperative learning in implementation of new mathematical curriculum this part analyzes the problem in the process of implementing of cooperative learning in new mathematical curriculum by observing in classroom and studying case. six problems is : ( 1 ) the group activity stay on the formal, and lack the material cooperation ( 2 ) individual duty diffuse, " take a ride " phenomenon have the occurrence ; ( 3 ) student social intercourse technical lack. ( 4 ) no change in teacher ' s role, lacking guidance to student ; ? ividing group difficultly for big class formation, fulling of too much noisy in classroom ; ? valuation system is not well, group cooperation exist in name only, provides six suggestions for these problems : ( 1 ) dividing group scientificly and vividly ; ( 2 ) leading student active cooperative learning ; ( 3 ) increasing the individual duty ; ( 4 ) cultivating students " cooperative method and social intercours technical ; ( 5 ) enhancing management in classroom ; ( 6 ) handling a few relations rightly ; finally, puts forward the principle and program of orgnizing cooperative learning in new mathematical curriculum
二、新數學課程實施中合作學習的組織策略本部分在對實驗區數學課堂觀察和個案研究的基礎上,分析得出了新數學課程實施中合作學習存在的6個問題:小組活動留于形式,缺乏實質性合作;個體責任擴散, 「搭車」現象時有發生;學生社交技能欠缺,合作效率低下;教師對自己角色轉變認識不清,指導作用沒有跟上;大班額分組困難,課堂過于喧嘩混亂;評價體系沒有跟上,小組合作名存實亡。針對這些問題,對新數學課程實施中開展合作學習提出了6方面建議:科學靈活地分組;引導學生主動合作學習;提高個體責任:重視對學生合作方法、社交技能的培養;加強合作學習中課堂管理;正確處理幾對關系。最後提出了新數學課程實施中合作學習的組織的原則和組織序列。Exponential phase cultures of the dr rl strain survive exposure to gamma radiation at doses as high as 5, 000 gy without loss of viability or evidence of dna damage induced mutation. 6000 gy of irradiation will induce approximately 200 dna double - strand breaks in dr chromosomes, but it is still able to reconstruct a functional genome from chromosomal fragments without any mutation
指數生長期的r1菌株即使在5kgy劑量的-射線照射后,其生長能力也未受影響, 6kgy -射線照射后染色體基因組產生約200個的雙鏈斷裂碎片,但是其基因組dna經修復后沒有引起任何的突變。The strain softening of dam body and foundation is the necessary condition for dam instability. according to observation data of dam cracks, a gray cusp catastrophe model is established to judge the stability of the crack. according to the slope observation data of a certain hydropower plant, a nonlinear dynamic model is developed by means of reversion and the lyapunov exponent spectrum, and the lyapunov information dimension are calculated for judgement of the stability of the slope
( 5 )基於變分原理,研究建立了能量形式的失穩準則,並說明壩體、巖基的材料具有應變軟化的性質,是大壩失穩的必要條件;並利用大壩的裂縫實測資料,建立了相應的灰色尖點突變模型,由此判斷裂縫的穩定性;根據某水電站庫區滑坡體的變形實測資料,反演其非線性動力學模型,進而計算lyapunov指數譜、 lyapunov信息維來判定邊坡的穩定性及穩定程度。分享友人