相對質量差 的英文怎麼說
中文拼音 [xiāngduìzhíliángchā]
相對質量差
英文
relative mass difference- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
- 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
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The characteristics of the sub - leaf epidemics of the plants have been observed and compared by scanning electronic microscope. lt was found out that the micro characteristics are important in a sense for identification the varieties. the constituents of volatile oil from dry flower buds of l hypoglauca miq., l acuminate wall, and l similis hemsl
首次通過gc - ms聯用技術分析了紅腺忍冬、淡紅忍冬和峨眉忍冬乾燥花蕾揮發油成分,並通過計算機質譜庫檢索並與標準圖譜對照,對其所含化合物進行了鑒定,發現棕櫚酸是它們的主要成分,相對含量最高佔49 . 27 ,最低佔28 . 71 ,其餘成分的組成和含量差別較大。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。The energy equivalent of the mass discrepancy in a nucleus is called binding energy.
與原子核中的質量差相對應的能量叫做原子核的結合能。Testing on rock sample data in dispersed shaly sands it shows that adding another parameter ( n ) to the model can decrease the relative error of fitted co. however, when we consider the difference of electrical properties between clay - bound water and formation water in the model, although another parameter ( qv ) is added to the model, the relative error of fitted co is increased slightly
通過一組分散泥質砂巖巖樣實驗測量數據的計算。表明模型中增加參數n ( m n )可以使擬合的c _ t的相對誤差減小,但在考慮粘土結合水與地層水導電性差別時,模型中雖多加一個參數q _ v ,卻沒有減小擬合的c _ t的相對誤差。There must be a "reason" for the chasm between the masses of these twin particles.
這對攣生粒子的質量相差懸殊定有「原因」。Gathering fuzzy technique and model - identifying technique to processing research, fuzzy model - identifying technique, a intersecting science, has been come out, which has become hoto in this thesis, based on deeply researching the fuzzy unit - identifying and complete analysis on data of measuring well of the chandqing wushenqi district, the method of constructing self - adapting multi - dimension non - liner subjection degree function has been created without precedento based on the extraction of routine measuring well character parameters, and for adopting self - adapting method to carry through character compression, the model has been improved the performance and enhanced the convergence speed and sorted precision of the algorithm o the relation of measuring well information and the oiliness & gassiness of sandstones is fuzzy ? in the thesis, the law of max subjection degree has been studied and improved, and proved preferable effect in the practical application
論文在提取一些常規測井特徵參數的基礎上,採用自適應方法對各變量多項式進行優選,減少了特徵參數間的相關性,突出了類別間的差異性,從而優化了模式的質量,提高了分類的精度。測井信息和砂體的儲集性之間的關系是帶有模糊性的,論文對模糊「最大隸屬原則」進行了研究和改進,並在實際應用中取得了較好的效果。論文成功研製了「自適應」的演算法和軟體? ?即通過對正確回判率的比較,然後對參數進行調節的辦法,可將模式「訓練」到最佳狀態。2 with the correlative analysis between the landuse structure and economic development, the main problems of landuse in youyang county are summarized as follows : ( l ) a large proportion of farmland are leanness, so the land quantity is bad ; ( 2 ) the forest vegetation is broken seriously, and the soil erosion is severe and the eco - environment is depravating ; ( 3 ) the number of land for water conservancy facilities is small ; ( 4 ) the proportion of town and transportation land is not accorded with landuse plan ; ( 5 ) land collocation is inconsequent ; ( 6 ) the land resources is plenty and a lot of land are not used but the land which can be opened up for farming
2通過對酉陽縣土地利用現狀結構與經濟發展的相關分析,總結了酉陽縣土地利用存在的主要問題有以下幾點: ( 1 )中低產田比例大,土地質量差; ( 2 )森林植被破壞嚴重,水土流失嚴重,生態環境惡化; ( 3 )水利設施用地較少; ( 4 )城鎮和交通建設用地欠賬大( 5 )土地資源配置不合理; ( 6 )土地資源總量豐富,未利用地面積大,耕地后備資源不足。Through the study of hydrolytic acidification - catalytic oxidation process treatment of wastewater of pulp anti paper making from waste paper and the microbes, what we found are as follows : it is certain that if there are more biaokeyuankechong in the water, the environment the water quality is worse : when swimming infusorian, eelworm, filamentous bacteria are found in the water, it shows the water is good : dark red alga and red pot ladybug show the water is still better, and higher microbes such as green alga and rotifer indicate the water quality is best
摘要通過對水解酸化接觸氧化工藝處理廢紙造紙廢水及其生物相的研究,確定出表殼圓殼蟲數量越多,環境和水質越差;而游泳類纖毛蟲、線蟲、絲狀菌的出現是水質稍好的指示;暗紅色藻類和紅斑瓢體蟲是水質更好的指示;而較高等生物綠藻和輪蟲則是水質最好的指示。By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few
通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載實驗表明了荷載與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性,進行了富有成果的現場測試工作;試驗數據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承載力也較設計增加;使用力學數值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。The quality of buffer layer and thin films was analyzed by afm, xrd, rheed and xps respectively. the effect of the experimental parameters such as carbonization time, working pressure, c source gas flow rate, carbonization temperature, different carbonization gas and substrate on the carbonization process was studied firstly. it was observed that the size of particles was increased with the increase of carbonization time and the rms was opposite, but the trend was reduced while the carbonization time was long enough ; the size of particles was increased with the increase of working pressure too, and choosing a proper working pressure could get a smooth surface ; the size of particles was unobviously changed while the gas flow rate was low, but it was notability increased with the increase of gas flow rate while the gas flow rate was high enough, and a smooth surface could be also obtained by choosing a proper gas flow rate ; with the increase of carbonization temperature, the size of particles was increased, the rms is decreased and a good single - crystalline carbonization layer could be obtained, but a rough surface was formed at a excessive high temperature ; the rms of
對于碳化工藝,側重研究了碳化時間、反應室氣壓、 c源氣體的流量、碳化溫度以及不同種類的c源氣體、基片取向等因素對碳化層質量的影響,研究結果表明:隨著碳化時間的增長,碳化層的晶粒尺寸隨之變大,表面粗糙度隨之降低,但當碳化到一定時間之後,碳化反應減緩,碳化層的晶粒尺寸以及表面粗糙度的變化幅度變小;碳化層的晶粒尺寸隨反應室氣壓的升高而變大,適中的反應室氣壓可得到表面比較平整的碳化層;在c源氣體的流量相對較小時,碳化層的晶粒尺寸隨氣體流量的變化不明顯,但當氣體流量增大到一定程度時,碳化層的晶粒尺寸隨氣體流量的增大而明顯變大,同時,適中的氣體流量得到的碳化層表面粗糙度較低;碳化溫度較低時,碳化層的晶粒取向不明顯,隨著碳化溫度的升高,碳化層的晶粒尺寸明顯變大,且有微弱的單晶取向出現,但取向較差,同時,適中的碳化溫度可得到表面平整的碳化層;相比于c _ 2h _ 2 ,以ch _ 4作為c源氣體時得到的碳化層表面平整得多;比起si ( 100 ) ,選用si ( 111 )作為基片生長的碳化層的晶粒取向一致性明顯更好。Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。The main work is as follows : 1. an error resilient algorithm to collaborate multiple description coding ( mdc ) and error concealment ( ecn ) is presented. the strategy of this method is to reconstruct the low quality image followed by recovering the lost wavelet tree with error concealment method when end - user receives few descriptions
在誤碼環境下,要保證解碼端重構圖象的質量,就要綜合採用多種抗誤碼方法,本文對差錯復原技術的綜合應用進行了研究,具體內容如下: 1 、提出了圖象多描述編碼與差錯隱藏相結合的差錯復原演算法,在接收端接收到的描述較少時,首先根據接收到的若干描述重構低質量的圖象,然後採用差錯隱藏方法恢復丟失的子波樹。By analyzing the differentiae of the total cross sections ( tcs ), the differential cross sections ( dcs ), the partial wave cross sections ( pcs ), the change patterns of the cross sections and the influence on the cross sections because of the var iations in the mass of systems and the relative kinetic energy of incoming atoms for symmetric isotopically substituted systems he, ne, ar, kr, xe - h2, d2, t2 have been obtained. in this paper, we use the tang - toennies potential model for the inertia gas atoms - h2 systems, the murrell - sorbie potential surface with five parameters for the molecules h2, d2, t2. for the inertia gas atoms - d2, t2 systems, we use the same potential surface with the inertia gas atoms - h2 systems
通過分析he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各碰撞體系在總截面、微分截面和分波截面等方面的差異,總結出在h _ 2分子的對稱同位素替代情形下惰性氣體原子與h _ 2分子體系碰撞截面的變化規律;通過比較he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各體系在碰撞總截面、微分截面、分波截面等方面的不同,詳細討論了同位素替代碰撞體系中體系約化質量及入射原子的相對碰撞能量的變化對碰撞截面的影響,得出了這種影響的規律性。Firstly, this thesis supports the relevant service theoretical concepts defined by the relevant service from the western theory, then grams of " service profit chain " theory and uses the service quality gap model ( gap model ) that scholars such as parasuranman, used the service quality gap model inside hotel enterprises, then combines the service quality state of the interior employee of hubei h hotel enterprise, through internal service quality scale ( internal servqual ) and spss10 which scholars such as hallowell, to put forward grade statistical analysis software comes to weigh the level of the service quality inside hotel enterprises and test the standard. then this thesis also regards the mathematical model that service quality gap tests. this thesis is divided into five parts on the structure : part one : introduction
本論文首先對服務理論中的相關概念進行了界定,通過借鑒西方領域服務的相關理論,提出了自己對服務的認識,然後以赫斯克特( james . l . heskett )等學者提出的「服務利潤鏈」概念模型為線索,綜合運用parasuranman等學者提出的服務質量差距模型( gap模型) ,提出了飯店企業內部的服務質量差距模型,緊接著結合湖北h飯店企業內部員工的服務質量狀況,藉助hallowell等學者提出的內部服務質量量表( internalservqual )和spss10 . 0等統計分析軟體來衡量飯店企業內部服務質量的水平與測評標準,並在此基礎上得出適合飯店企業內部服務質量差距測評的數學模型,相信可以對中國飯店企業內部服務質量的具體運作和測評有一定的指導作用。Platform of two - sided markets can provide services with different quality, former literature only considers the situation which platform provides unique service, this article considers pricing and profits of platform which provides different quality services under monopoly and competing marketing structure and finds that price will be highest when monopoly platform provides high - quality service first then low - quality service and profit will be higher than monopoly platform provides low - quality service first and high - quality service at the same time, when a platform with high - quality service completes with a platform with low - quality service, high - quality platform tends to improve service quality, while low - quality platform would like to hold service quality at low level
摘要雙邊市場中的平臺可以提供有質量差異的多種服務,原來的雙邊市場文獻考慮了平臺提供單種服務的定價策略等,本文研究了壟斷和競爭情況下提供兩種服務的平臺的定價策略,研究發現壟斷平臺先提供高質量后提供低質量服務時高質量服務定價最高,並且平臺利潤相對于平臺同時提供質量差異服務時要高。Whether from the quantity, quantity, or from the ability, function, the condition of our country ' s talent resources still have the big margin against the needs of the development of technology innovation
無論是從相對數量、質量上,還是從能力、作用上,我國人才資源狀況與技術創新發展的要求還有較大差距。必須花大力氣創造有利於人才成長的良好社會環境。The tested path analysis model showed direct positive effects for preparation, joining in service design and standard building up, interaction with the employees of the enterprise, and “ word of mouth ” delivery on the “ gap ”, indicating that the more participation of customer in the service process, the shorter the gap between customer expectation and perception, namely the more participation of customer will lead to higher service quality
此外,還對顧客參與的四個維度與服務質量的關系進行了獨立樣本t檢驗、相關分析以及路徑分析。經過統計分析得出以下主要研究結論:顧客參與的四個維度均與「差距」之間存在直接相關關系,說明顧客參與程度越高對服務質量差距的彌合程度就越高,即顧客參與程度越高其所感受到的服務質量越高。Because the police fingerprint database is very large and the fingerprint image is often noisy, we paid more efforts on extraction of singular point from the noisy image and improve the fingerprint classification speed. we have obtained some result in the following research areas : 1 ) fingerprint extraction. we extract fingerprint image by two steps : coarse extraction and fine extraction
針對公安指紋數據庫樣本數量多(一般都在萬枚以上) ,指紋圖象質量相對比較差的特點,我們把研究重點放在從差質量的指紋圖中準確可靠地提取奇異點特徵以及提高分類速度上,並在以下幾個方面取得了一定的研究成果: 1 )指紋分割。Based on a thorough investigation on positional variances of quality control points of jacket, absolute error ellipse and relative error ellipse, which can show the precision of quality control points of jacket in any direction, are presented and then applied to quality control of jacket
在對質量控制點的點位方差進行深入研究的基礎上,給出表示導管架質量控制點在任意方向上精度的絕對誤差橢圓和相對誤差橢圓,進而將這兩種誤差橢圓應用於導管架的質量控制中,從而使導管架的質量控制更有效和準確。Firstly, this thesis has defined the relevant concepts in the service theory, through drawing lessons from the relevant theories of the western service, have proposed oneself to the understanding serving ; then this thesis has get out of carry on the summary of the theory of service profit chain and the service quality gap model ( gap model ) ; part three : construction of the gap model of the service quality inside hotel enterprises
首先對服務理論中的相關概念進行了界定,通過借鑒西方服務領域的相關理論,提出了自己對服務的認識;然後對赫斯克特( james . l . heskett )等學者提出的「服務利潤鏈」概念模型和parasuranman等學者提出的服務質量差距模型( gap模型)進行了概述,為實證分析提供了充足的理論依據。第三部分,飯店企業內部服務質量差距模型的構建。分享友人