有效指數 的英文怎麼說
中文拼音 [yǒuxiàozhǐshǔ]
有效指數
英文
availability index-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效：構建了基於pci總線的微機實時圖像採集系統；在採集的布料總圖（鳥瞰圖）的基礎上，通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理，提取布料圖像的邊緣，對輪廓的矢量化的象素點進行搜索，得到相應的圖案矢量圖，從而確定絎縫的加工軌跡，生成加工指令；在進給加工過程中，主計算機對動態局部圖像與總圖（鳥瞰圖）的對應部分進行圖像相關的匹配計算，應用數字圖像理論，結合神經網路計算的改進最速下降法和模擬退火演算法，提出獨特而有效的相關迭代初始值賦值方法，形成穩定、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。We used several organic algaecides to remove the phaeocystis globosa red tide. the results showed that povidone - iodine can release iodine slowly to kill and control the p. globosa red tide. the minimum used levels are 30mg / l if we added the povidone - iodine algaecide at the prophase of logarithmic phase
本文研究了緩釋除藻劑碘伏對棕囊藻的去除作用，發現碘伏有一定的除藻能力，在棕囊藻指數生長期前期加入碘伏，最低有效除藻濃度為30mg / l 。We compare the approximation of an analytic function f by its taylor polynomial and its poisson partial sum with the same number of terms and illustrate that for functions with limit zero at infinity and for bounded functions the poisson expansion provides a better approximation to the function than the taylor expansion
在第三章中，介紹了rb曲線與poisson曲線的概念以及基本的幾何性質，指出了poisson基函數與有理bernstein基函數之間存在的關系，並且將解析函數的taylor逼近與poisson逼近進行比較。實例表明，對于在無窮遠處極限為0的函數以及有界函數， poisson逼近比taylor逼近效果要好。Human body experiments indicates that this product can supplement taurine, vitamin b1, vitamin b2 for increase of brainwork efficiency and study fatigue alleviation
經人體功能試驗證明，本品可補充牛磺酸、維生素b1 、維生素b2 ，有效提高腦力工作指數，減輕學習疲勞。In most researches of supplier selection presently, there are two problems as follows : ( 1 ) the classify methods are always alike and the production model is not been considered. this will lead to incomplete of supplier evaluating indicator. ( 2 ) although have been quantitative analyzed and simplified, most evaluation methods ca n ' t be carried out effectively in supplier evaluation and selection under supply chain management because of the disaccord of the methods " trait and the condition
目的，大多數關于供應商選擇的研究存在以下兩個問題：供應商的分類方法過于單一，比如沒有考慮生產組織方式，導致供應商選擇指標體系不夠完善；評價方法上雖然做到了定量化、簡便化，但很多方法因為沒有考慮具體的使用環境，所以不能有效地應用在供應鏈管理下對供應商的評價和選擇中。This paper recurred to the basic theory of rough set of data mining and under the direction of the frame of intelligent decision, the main theories include i ) the different methods of data mining on the base of rough set are used to deal with typical decision system namely consistent decision system and inconsistent decision system in order to carry through data reduction and rule distilment ; ii ) in the environment of dynamic increment database, the methods of data reduction to deal with the original data and increment data are discussed in the consistent and inconsistent decision system ; iii ) the method of data mining of rough set is analysized to treat with the attributes with priority ; iv ) on the base of basic rough set theory, the data analysis methods of amalgamation of rough set theory ; v ) and also the pre - disposal method to database is analysize
本文從系統工程進行決策分析的角度出發，藉助數據挖掘技術中粗糙集的基本理論，在智能決策框架的指導下，研究了基於數據挖掘的智能決策理論及方法。主要理論包括：如何利用粗糙集對典型的決策系統即相容性決策系統和不相容性決策系統運用不同的數據挖掘方法進行有效的數據約減和規則提取；在增量動態的數據庫環境下討論了在典型決策系統中對原始數據和增量數據進行數據約減的方法；分析了帶有優先權屬性的粗糙集數據挖掘方法；以基本粗糙集為基礎探討了粗糙集擴展模型的數據分析方法；研究了粗糙集數據預處理方法。The thesis is based on income question, forest coverage rate and grop production. to beging with, date envelopment analysis is proved that it can be applicated into grain for green in shan - bei district, and then in view of the fact, seven esential factors which have influence on the project are found out : expense of dam, expense of crop, expense of cash tree, expense of defense tree, other economic crop, expense of grass and graziery ; and the output factors include : income of gdp, pure income per captia, the area of decreasing land loss, graziery income, crop production, income of tree, the totle income of economic crop. after the date of each facts are puted into dea model, unefficiencial decision making units ( dmu ) found. the data that are got through adjusting unefficiencial dmus dy dea can offer guide in shanbei district upgrading of an industrial structure. at the same time, taking into account some possible problems in or after grain for green in shan - bei district, the thesis bring out some propesal to improve the circ umstance, enhance the life level and put the relation of population, resource and circumstance into a healthy orbit
因此，加快退耕還林還草，調整土地利用結構和產業結構，已成為實現山川秀美工程和可持續發展戰略的必經之路。論文以解決陜北地區的收入問題，植被問題以及糧食產量問題為出發點，首先從理論上分析了包絡分析方法在陜北地區退耕還林（草）中運用的可行性，然後結合陜北地區目前的實際情況，綜合分析出影響陜北地區退耕還林（草）的關鍵的七個因素作為輸入指標：水利水保設施投入，農作物投入，經濟林種支出，防護林支出，其它經濟作物，草類支出，畜牧業投入；以退耕還林所要解決的最終問題作為輸出指標： gdp收入、農民人均純收入、水土流失減少量、牧業總產值、糧食產量、林業總產值、其他經濟作物總產值。將各指標所對應的數據代入模型后，通過分析求解得出非有效的決策單元，再運用包絡分析方法的一些基本原理對非有效的決策單元進行調整，由此所得的數據對陜北地區的實際投入具有很好的指導意義。Abstract : 145 samples of eight plants were collected from lanmuchang and yangjiawan and quantitative analyses were made of the ore - forming elements in the plant ashes. considering the three principles of the plant indicator for mineral exploration, namely certainty, sensitivity and feasibility, this paper evaluates comprehensively the indicating functions of the eight plants, on the basis of some quantitative indexes such as the relation coefficient between plant ash and ore - forming element, concentration coefficient, etc. it also discusses the relationships between the anomaly of plant ashes and the fault zone, alteration zone mineralization zone and orebody, showing the significance of these plants to the prospecting
文摘:在濫木廠和楊家灣鉈（汞）礦床（點）對芒箕、南燭、榔榆、大金發蘚、蜈蚣草、石松、黃花草、醉魚草等8種植物取樣145件，在提出確定找礦有效指示植物三原則（確定性，敏感性，可行性）的基礎上，依據植物灰分與底質成礦元素相關系數、植物灰分富集系數和襯度系數，較全面地分析和評價了8種植物的找礦功能；討論了其異常的分佈與斷裂帶、蝕變帶、礦化帶以及工業礦化（礦體）之間的關系，並指出了其找礦意義。With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics
熱電聯產系統熱電相互牽連，熱泵供暖（空調）系統不容易很好地滿足尖峰負荷，鍋爐供暖系統供熱中天然氣燃料構成的成本過高，內燃機雙源供暖（空調）系統的高發電效率僅限於100kw - 1000kw負荷范圍，供熱面積有限。對于大面積的商業園區、居民小區，燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖（空調）系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性，結合北京某一商業園區示範工程，進行了系統的計算與分析，得到了有效的數據與結論，在此基礎上，提出影響聯合循環雙源供暖（空調）系統經濟性的主要因素，並進行敏感性分析，得出有益的結論；最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解，並指出系統的優化方向。Five reading is a effective mode which should be adopted in mathematics education kingdom. thus in mathematics education, self - study could promote students learning interests, nurturing students motovation, improve their learning acheivement, and at last, enhance students competence
文中結合數學證明的實例分析后，更進一步指出：主動式閱讀是最為科學有效的數學閱讀方式，所以，在數學閱讀實踐中，應指導學生『最終掌握和學會運用主動式閱讀。When the content of some location does not match a valid i truction, one may a ume that it is data
當某些位置的內容不匹配一個有效指令時，會假定它是數據。When the content of some location does not match a valid instruction, one may assume that it is data
當某些位置的內容不匹配一個有效指令時，會假定它是數據。Effective index method
有效指數法The importation of the epuipment with investment of ove million rmb form sweden perte has enabled bingquan available with world advanced colse infrared analytical system, which can provide timely and accurate data for directing quality control, ensuring stable production in constant and big scale of production for soybean food
投資逾百萬元引進瑞典perten儀器公司具有世界先進水平的近紅外分析系統，該分析系統能快速測定產品及半成品，原材料的各項質量數據，有效指導生產和提高產品質量。Based on the concrete engineering of dunshang double - arch highway tunnel, this paper researches the mechanic properties of double - arch highway tunnel with soft and weak surrounding rocks through on - the - spot arrangement of the test components. with the aid of 2d - program, this paper make a simulated analysis of the whole construction process with three kinds of construction methods and also contrasts with the test results on the spot
基於軟體平臺2d -對不同施工方法下軟巖雙連拱公路隧道施工過程各階段圍巖與支護體系的力學性狀進行了數值模擬分析，並與實測結果進行對比分析，得出了一些有益的結論，為軟巖雙連拱公路隧道的設計與施工提供了有效指導。The principles of sigma - delta modulator have been discussed firstly and the influences of structure and parameters on resolution have been analyzed. then on the base of theories, the simulink toolbox of matlab has been used to make behavior simulation and fft analyse of two main structures : 2 - 1 - 1 and 2 - 2. the related parameters of modulator such as : psd, sndr and enob have been gotten by simulink toolbox on the conditions of different oversampling rates. from the analyses above, topology of modulator has been chosen
調制器的原理進行了介紹，分析了各種結構及參數對調制器精度的影響;其次，在理論指導的基礎上，利用matlab的simulink工具包對調制器兩種主要級聯結構: 2 - 1 - 1和2 - 2結構進行了行為級模擬和fft分析，得出了在不同過采樣率條件下，兩種結構調制器的功率譜密度、信噪失真比以及有效位數，通過比較確定了調制器的拓撲結構。According to the measuring appliance geometry characteristic and the relative position between reading - pointers and the calibration red pointers examine the effective pointers ’ central position
根據儀表的幾何特徵和用於讀數的指針和定標紅色指針的相對位置，檢測出有效指針的中心位置。In the general example specifies the number of significant digits or decimal places to display
）指定顯示的值的有效位數或小數位數。The value after the format character xx in the general example specifies the number of significant digits or decimal places to display
格式字元后的值（常規示例中為xx ）指定顯示的值的有效位數或小數位數。分享友人