射影集 的英文怎麼說
中文拼音 [shèyǐngjí]
射影集
英文
projective set-
Ii ) energies of the sputtered atoms vary mainly from several to several teens ev, with few atoms " energy relatively high ; the emitting positions of the sputtered atoms are close to the corresponding incident ions ( in the order of angstrom ) ; the sputtered atoms are emitted mainly normally, and few are slantways ; energy and angular distributions of sputtered atoms are influenced by the energies and incident directions of incident ions, but the angular distributions are not influenced by the incident energy very greatly
Ii ）濺射原子的能量一般集中在幾個到十幾個電子伏特的范圍內，在高能量區域也有所分佈，但數量很少;濺射原子的出射位置就在離子入射位置的附近（埃數量級） ;濺射原子的角度在垂直方向和斜射方向都有所分佈，但以垂直出射為主;濺射原子的能量、角度分佈受到了入射離子能量、角度的影響，但入射離子能量對濺射原子的出射角影響不大。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。It has a high entrapment efficiency of 98. 3 %, particle size distributing within 5 - 7u m, viscid coefficient of 1432 centipoise. antigen was stable after multiple emulsion treated with gastric juice for 0. 5 - 6h. study on distribution in vivo of me revealed that me could stay for a long time in stomach and that antigen concentration in mesentery was increased with time and reached peak at 24h
疫苗復乳的包封率為98 . 3 % ，粒徑主要分佈於2 ~ 10pm之間，集中於5一7pm ，粘度為1432厘泊，體內分佈實驗顯示， 6h胃中的抗原濃度仍很高，腸系膜淋巴結中的放射量24h最高，與胃液作用0 . 5 ~ 6小時復乳中的抗原不受影響，口服免疫小鼠后明顯提高了rhp疫苗的免疫應答水平。As a comparison, ba1. 03ce0. 8gd0. 2o3 - was synthesized by sol - gel method. among these samples, nonstoichiometric samples were synthesized for the first time. the research work involved : the crystal phase of the sinters were determined by xrd ; ionic conduction under different experimental atmospheres was measured by gas concentration cells ; performances of hydrogen - air fuel cells with the sinters as electrolytes and porous pt as electrodes were measured
用粉末x射線衍射儀鑒定它們的結晶相；在（ 600 1000 ）范圍內，以燒結體作為電解質隔膜，多孔性pt黑為正、負電極， pt - rh合金網為集電極，分別組成氫濃差電池、氧濃差電池及氫?空氣燃料電池並測定了它們的性能，研究了不同氣氛下樣品的離子導電特性及影響燃料電池性能的因素。The origins of dispersion error are analyzed ; effects of initial velocity dispersion, ballistic coefficient dispersion, drift coefficient dispersion, range wind & cross wind dispersion on the ballistic dispersion are discussed
分析了散布誤差的起源，討論了初速散布、射角散布、彈道系數散布、偏流散布、縱橫風散布對密集度的影響。Two other effects are transient phenomenon called single event upset ( seu ) and single event latchup ( sel ). in this paper, some means to harden the devices against these phenomena are used. guard banding around nmos and pmos transistors greatly reduces the susceptibility of cmos circuits to lachup
在本文設計中，採用雙環保護結構，大大的降低了cmos集成電路對單粒子閂鎖效應的敏感性；對nmos管採用環型柵結構代替傳統的雙邊器件結構，消除了輻射感生邊緣寄生晶體管漏電效應；採用附加晶體管的冗餘鎖存結構，減輕了單粒子翻轉效應的影響。This monograph is focused primarily upon wind effects on large launch vehicles as represented by the family of saturn vehicles.
這個專著，主要集中研究大型發射飛行器上風的影響，以「土星族」飛行器為代表。Tolerance to and effects of the freezing stress in a desiccation - tolerant, terrestrial cyanobacterium, nostoc commune, and in a desiccation - sensitive species, synechocystis sp. pcc6803, were studied by measuring their photosynthetic activities and fluorescence emission spectra
通過檢測光合成活性和熒光發射光譜等研究冰結脅迫對藍藻地衣（ nostoccommune ）和單細胞集胞藻（ synechocystissp . pcc6803 ）的影響。The effect of bq injection on platelet aggregation
注射液對動物血小板聚集的影響From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops
摘要從農業經濟效應和環境生態效應二方面，論述了稀土肥料促進作物生長、發育，提高作物產量，改善作物品質的效應與機理；影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能，繼而反饋調節作物生長；緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應；並以稀土在作物體內分佈與富集規律為參考，探討了稀土農用的安全性。With its images of body parts and anti - cartesian figurative projections, this film ranks as one of three surrealist masterpieces next to un chien andalou and l age d or
集夢幻、想像、詩化和慾望，片中對身體器官和超理性的像化投射，使它與三十年代的《安德魯之犬》及《黃金時代》合稱超現實電影之三絕。( 2 ) the maximum of input - output ratio is strikingly promoted by the level of technical developing and unrestraint of resourses. and at the same time, it ’ s positively and distinctly influenced by the factors of natural resourses amount, techological support, govenment policies, labor supply, public foundation, intermediary service, maket overlay ( from high influence to low )
（ 2 ）集群的資金產出率的峰值（最大值）受到集群的自然資源非限制性、技術發展水平的影響顯著;同時也受到外部環境因素的明顯影響，由影響程度從高到低排序如下:自然資源、技術支撐、政府政策、勞動力供給、公共基礎、中介服務、市場輻射的提供能力。The enterprise wtk elektronik gmbh deals in printed circuit board manufacturing and automation devices in addition to control devices and systems as well as with wage - band production
該集團充分準備好自動化儀器、自動化設施、自動化設施以及自動化儀器和鋼絲、導線范圍內進行建議咨詢的信息。請您針對外罩、套、外殼、投影、射影和屏蔽、隔離、設置水冷壁等其它商務范疇撥打垂詢電話+ 86 （ 755 ） 26068276 。It is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transform of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform
它所基於的成像原理是：人體的某個剖面在若干個角度上被x射線束照射，照射后x射線的衰減量被檢測器記錄下來，形成投影集合，數學上將這個投影集合描述為該剖面的radon變換，通過反演radon變換就能夠重建剖面的二維圖像。Computerized tomography ( ct ) is a typical non - invasive examination techniques in medicine, which can depict anatomical structures without damaging the human body. lt is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transfoim of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform
它所基於的成像原理是：人體的某個剖面在若干個角度上被x射線束照射，照射后x射線的衰減量被檢測器記錄下來，形成投影集合，數學上將這個投影集合描述為該剖面的radon變換，通過反演radon變換就能夠重建剖面的二維圖像。In two - view case, a method is presented for calculation 2d projective transformation and construction the virtual elements by combination of spatial points and lines. so more 3d invariants of object ' s spatial structures can be extracted from real elements and virtual eleme nts. ( 3 ) the geometric characteristics of 2d symmetric objects " in perspective images are lucubrated
（ 2 ）擴展了2d射影變換矩陣的求解方法，將單純利用點集對應的計算模式擴展到利用直線集、點線組合等多種類型來建立兩個射影平面的對應關系；總結了平面上基於點、直線元素可求解的多種3d不變量；提出了雙視圖下由點、直線元素的多種對應關系求解2d射影變換來構造「虛元素」的方法，結合「實元素」和「虛元素」可以提取更多的空間3d不變量。Industrial and refuse technology, construction of special purpose machines or automation devices are only some things, which belong to the area of activity of willi naumann automationsger ? te
該集團充分準備好自動化儀器、自動化設施、自動化設施以及自動化儀器和鋼絲、導線范圍內進行建議咨詢的信息。請您針對外罩、套、外殼、投影、射影和屏蔽、隔離、設置水冷壁等其它商務范疇撥打垂詢電話+ 86 （ 755 ） 26068276 。Date integration technique was used to analyze the relationship between monthly mean daily clearness index kt and s, the ration of monthly mean daily sunshine duration to possible sunshine duration as well as that of monthly mean daily direct transmittance kb. based on data from 1957 to 2000, a series of kt and kb estimation models with different temporal and spatial scales were established. furthermore, the distributions of kt and kb from january to december in chongqing were mapped by kriging interpolation for long - term mean
大氣輻射過程模擬通過晴空指數、直接透射率等綜合描述大氣對太陽輻射影響的參數，採用重慶市及其周邊地區1957 - 2000年日射站觀測的月輻射資料和常規月氣象觀測資料，利用數據集群技術，建立了不同時空尺度的太陽輻射估算模式；使用kriging插值法，完成了重慶市氣候平均狀況下各月晴空指數、直接透射率的空間制圖。In this paper, we are concerned with the sizes of t - blocking sets, ( k, r ) - arcs and caps in finite projective spaces, not only giving one theorem an elementary proof, improving some theorem " s results, but also proving some new exact values
本文研究了有限射影空間中t - blocking集， arcs和caps中元素個數的上界值。不僅用自己的方法簡化了某些定理的證明過程，改進了一些定理的結果，而且還證明了一些新的精確值和上界值。Some properties of projection operators on consistently directed complete posets
相容定向完備偏序集上射影運算元的幾個性質分享友人