焦值 的英文怎麼說

Third, this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database, and proposes a full - featured result size estimation algorithm for xml query, sxm. for simple path expression query, this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable, xmap. for complicated path expression query, this dissertation adopts an improved bifocal sampling method for result size estimation

第三，分析了xml結構化查詢優化中的查詢代價估計問題與傳統關系型數據庫中的查詢代價估計問題的區別，提出了一套完整的xml結構化查詢代價估計體系sxm ，包括對簡單路徑表達進行查詢代價估計的動態xml數據統計模型xmap ，對復雜路徑表達進行查詢代價估計的雙焦點例舉法，以及對值匹配條件進行查詢代價估計的基於小波的多維直方圖方法，並能將多種查詢表達的查詢代價估計結果結合在一起，以給出一個完整的xpath查詢的代價估計。

Standard test method for gross calorific value of coal and coke

煤和焦炭總熱值的標準測試方法

The unexpected discovery of an object of great monetary value : precious stone, valuable adhesive or impressed postage stamps 7 - shilling, mauve, imperforate, hamburg, 1866 : 4 pence, rose, blue paper perforate, great britain, 1866 : 1 franc, stone, official, rouletted, diagonal surcharge, luxembourg, 1878 : antique dynastical ring, unique relic in unusual repositories or by unusual means : from the air dropped by an eagle in flight, by fire amid the carbonised remains of an incendiated edifice, in the sea amid flotsam, jetsam, lagan and derelict, on earth in the gizzard of a comestible fowl

意外地發現一樣非常值錢的東西：寶石，貴重的帶膠郵票或蓋了戳的郵票七先令，淡紫色，無孔，漢堡，一八六六264四便士，玫瑰色，藍地上有孔，英國，一八五五265一法郎，黃褐色，官方印製，刻有騎縫孔的，斜著蓋有加價印記，盧森堡，一八七八266 。古代王朝的戒指，稀世遺寶，在不同尋常的地方或以不同尋常的方式出現：從天而降飛鷹丟下的，借著一場火在焚毀成焦炭的大廈灰燼當中，大海里在漂流物失事船隻的丟棄物繫上浮標投下水的貨物以及無主物當中，在地面上在食用禽的胗里。

This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal

本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析，理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。

This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center, containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity. at the same time, many wide - applied metering technology, for example, the diffracted field ( fringe ) measurement, co - focal lens system, optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well, were combined into it successfully. this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing, instrument science, measuring and testing technology and automatic technology

該多功能激光光電實驗系統以泰曼-格林干涉（ twyman - green ）光路作核心，包括先進的數字波面干涉技術和一種基於空間干涉原理的、納米解析度零差干涉儀位移測量方法，同時將多種新穎、工程實用價值高的測量技術和光路如衍射測量、共焦顯微技術、光纖傳感技術以及反映傅立葉光學基本光學原理的4f空間濾波系統也組合進去。

In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing

在自動聚焦過程中，論文採用了圖象的灰度差分的絕對值之和的平方作為焦距評價函數，解決了是否正確聚焦的快速判斷問題；採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式，使聚焦速度和精度都得到了很大的提高。

At present, with regard to our country ' s research on european integration, a large portion of scholars focuses on the analysis of its forming process and developing status and the forejudge of its developing foreground, while few analyzing its advancing process from the angle of the theory the european integration relies on and the development of the theory, also few giving theoretical annotation on the capriciousness of the european integration from the point of theoretical comparison, intrinsic lack and positive value

目前，我國對于歐洲一體化的研究，大部分學者都聚焦于對其形成過程、發展狀況的分析以及對其發展前景的預斷，而很少從歐洲一體化所依託的理論及理論發展的角度去分析歐洲一體化的推進過程，很少從歐洲一體化的理論比較、內在缺失和積極價值的視角，對歐洲一體化進程的反復做出理論上的詮釋。

The qitaihe coal resources isadvantageous, the coal field total area 8, 000 square kilometers, haveverified the geological reserve 1. 7 billion tons, the prospectivereserves 4. 2 billion tons, the coal plant completely, has the cokingcoal, 1 / 3 coking coal, the gas coal, the anthracite and so on 10varieties, by coking coal primarily ; excellent in quality, has theespecially low phosphorus, especially low characteristic and so onsulfur, high heat value, high ash melting point, high silicon content, most is suitable for the coal chemical industry product thedevelopment, is national one of three big protections mining rare coalfields, is the heilongjiang province most important anthraciteproduction base, also is the national important coking coal and thenortheast area biggest high quality coke production base

七臺河煤炭資源得天獨厚，煤田總面積8000平方公里，已探明地質儲量17億噸，遠景儲量42億噸，煤種齊全，有主焦煤、 1 / 3焦煤、氣煤、無煙煤等10個品種，以主焦煤為主；品質優良，具有特低磷、特低硫、高發熱值、高灰熔點、高硅含量等特點，最適于煤化工產品的開發，是全國三大保護性開采稀有煤田之一，是黑龍江省最重要的無煙煤生產基地，也是國家重要的主焦煤和東北地區最大的優質焦炭生產基地。

The feasibility and some advantages of employment of sil have been discussed. the numerical aperture are calculated when laser pulse is defocusing. in contrast with traditional microscopy objective, the employment of solid immersion lens can effectively increase the numerical aperture of the recording system ; thereby it can increase the volumetric density and decrease the demand of the incident laser power

當脈沖聚焦點相對于固體浸沒透鏡底面離焦時，對系統的有效數值孔徑進行了計算，結果表明採用固體浸沒透鏡離焦的方式進行記錄，系統的有效數值孔徑最低可增大到固體浸沒透鏡插入前的折射率倍，其數值孔徑的理論極限值為存儲介質的折射率。

The extravagant 20 million 10. 7 million pounds diamond - studded wedding cake, created by mimi so jewellers and cake designer nahid la patisserie artistique, is the star attraction of the luxury brands bridal show and will be unveiled on exclusive rodeo drive

這款價值2000萬美元的鉆石婚禮蛋糕由珠寶公司mimi so jewellers和蛋糕師nahi共同打造，它將成為婚慶奢侈品牌展上的焦點，並將在貝佛利奢華品牌名店區羅迪歐大道展出。

Zhongjin jiaqi hotel is the three - star tourism hotel, one under the zhongjin group of jingde town with the core compitition of recieving conference, tour group. according to the core compitition, hotel has already built up the zhongjin international convertion and exhibition center that can hold no more than 600 persons for variour conference. there adopt the american original import stereo and the top - grade zoom for the high - quality living broadcast. on the second storey, there is a reading rooms for books and magazine specially. and after reading, you also can do some sport in the gymnasium for your fitness. according to the star standard strictly, we adhere to " have courteous service, reputation first, customer the highest " to await your presence heartily for the service aim

中景假期酒店中景假期酒店隸屬于景德鎮中景集團，集團以生產印刷機械為主，年產值達五億元，酒店是中景賓館發展壯大后形成的國家三星級旅遊酒店，以接洽會議旅遊團體為本酒店核心競爭力。酒店以會議接待為核心競爭力，配套建成了中景國際會展中心，可供600人以下各類會議使用，裝修前衛別致功能全，採用美國原裝進口音響和高檔變焦攝像頭可進行高水準的現場直播。

This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation

本文針對該鍋爐在實際運行中存在的問題：在額定負荷下，爐膛出口超溫、低溫段過熱器前煙溫高達936 ，遠遠超過815的設計值；噴燃器四周水冷壁結焦嚴重，過熱器管壁溫度超標，無法帶上額定負荷；甚至有時因燃煤質量的變化，必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中，燃燒器的結構、布置，水冷壁的粘污、結垢，過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況，從而影響爐內的傳熱和燃燒，造成爐膛出口超溫、水冷壁結渣等問題。

Focusing of ultrashort pulse by small - aperture lenses

超短脈沖經過小數值口徑透鏡的聚焦特性

Date and time, camera settings ( exposure mode, shutter speed, aperture value, exposure compensation value, metering method, flash on off, camera sensitivity, white balance setting, focal length, etc. ), color space

日期及時間、相機設定（曝光模式、快門速度、光圈值、曝光補償值、測光方法、開啟關閉閃燈、相機感光度、白色平衡設定、焦距等） 、彩色色域

Test method for gross calorific value of coal and coke by the isoperibol bomb calorimeter

等溫彈式量熱器測定煤和焦炭總熱值的試驗方法

Test method for gross calorific value of coal and coke by microprocessor controlled isoperibol calorimeters

用微處理機控制的恆溫量熱器測量煤和焦炭總熱值的試驗方法

Method for determination of coking value of coal pitch

煤瀝青結焦值的測定方法

Stores photographic data of up to 7 rolls of 36 exposures on aperture, lens focal length, exposure compensation exposure bracketing increments, shutter speed, flash compensation flash bracketing increments ( including flash on off status ), exposure mode, and metering mode

可以儲存7卷36格菲林的光圈、鏡頭焦距、曝光補償包圍式曝光增減值、快門速度、閃燈補償包圍式閃燈增減值（包括：閃燈開啟開關狀態） 、曝光模式及測光模式等拍攝資料

Forty - three undergraduates are included in the training group, who are pre - tested, after - tested and in follow - up survey with diflerenlial loneliness scale, interaction anxiousness scale, texas social behavior inventory and beck depression inventory. forty - two undergraduates are included in the control group, who are pre - tested and in follow - up survey with the same scales. the results suggested that ( 1 ) group guiding is an effective and practical method to improve the undergraduates " emotional state and emotion adjustment ability ; ( 2 ) group guiding with a series of psychological training courses has significant effects in improving emotional state and emotion adjustment ability for a short term and a long term ; ( 3 ) interaction anxiousness scale, texas social behavior inventory and beck depression inventory " are good scales in evaluating emotional state. ; ( 4 ) the series of psychological training courses still need further developing and improving

採用訓練組與控制組對照，訓練組前測、后測、追蹤和控制組前測、追蹤的時間序列設計，通過設計一套有關情緒的心理訓練課程，對43名大學生分組進行心理訓練，結果發現： 1 ）團體心理指導是改善大學生情緒狀態和提升情緒調節能力的一條可行而有效的途徑，且值得嘗試和推廣； 2 ）情緒團體心理指導訓練對改善大學生情緒狀態和提升情緒調節能力具有良好的短期效果和長期效果； 3 ）交往焦慮量表、德克薩斯社會行為問卷、 beck抑鬱問卷是良好的情緒評估的客觀量化指標； 4 ）情緒訓練課程有待于進一步發展與完善。

According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。