比值法 的英文怎麼說
中文拼音 [bǐzhífǎ]
比值法
英文
ratio method-
We mensurate the number of the primary soil microbes such as bacteria, fungi and azotobacter with diluting flat technique, and mensurate the number of cellulose decomposing bacteria with mpn technique, and mensurate the biological quantity of the soil microbes with the technique of chloroform suffocating - inundation culture - colour - compared
本文以長期壟作免耕試驗田為研究對象，採用稀釋平板計數法測定了土壤中主要的微生物細菌、真菌、自生固氮菌數量，用mpn （最大或然值法）測定纖維素分解菌的數量，採用氯仿熏蒸?淹水培養?納氏比色法測定微生物生物量。In data processing, several data file format exported from measuring system has been analysis in detail, and some research has been made in these file - formats, and some try was made also. the decision standard of a thin and long triangle was discussed. besides the minimum angle of a triangle, there also the no - equlangularity and the ratio of radius of inscribed circle and circumcircle of a triangle
比如利用vc6 . 0開發了程序，可以計算三角片的法矢量、三角片的一些特徵信息，以及狹長三角形的判斷，特別是分析了除最小角之外的兩個判斷標準：外接圓和內切圓半徑之比值r r ，以及三角形的不等邊度e ，及它們與最小角之間的一致關系。The research emphases of the paper include the establishment of terrain model and the realization of detail of surface. during the establishment of terrain model, the theory of fractal and the characteristics of ivs, fractal brown motion ( fbm ) are discussed and compared, and prove the model is adapt to the feature of the physiognomy
地形模型的建立和地表細節的表現是本文研究工作的重點，在建立地形模型的過程中，分析了分形理論和分形法中的隨機插值、布朗運動（ fbm ）的原理並進行比較，論證了其數學模型與真實地貌特徵基本吻合，並運用隨機插值法（ insert - valuestochastically ， ivs ）實現了地形的分形模型。An obvious restraint in the use of isotope ratios results from the need to employ mass spectrometers.
使用同位素比值法有著一個明顯的局限因素，就是要用質譜儀進行分析。Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability
基於變壓器油中溶解氣體分析，提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造，選擇變壓器典型故障樣本構造多組參考序列，這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法，計算個體關聯系數和關聯度.然後根據給出的群灰色關聯度計算方法，計算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析，所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯分析方法，具有較好的分類診斷能力和可靠性Fuzzy ratio method for ranking of multi - radiant imperilment
輻射源威脅大小綜合排序的模糊相對比值法Measuring frequency of received signal by a spectrum line ratio method
譜線比值法測量接收信號的頻率Reference - value method
參比值法Reference - v method
參比值法Determinaton of cotton maturity coefficient by lumen width - cell wall thickness ratio method
中腔胞壁比值法測定棉纖維成熟度系數的討論The fault reasons of a phase c 378mva transformer in one group of main transformers are analyzed by three - ratio method. the improvement measure is presented
摘要利用三比值法分析了一臺主變c相378mva單相變壓器故障的原因，提出了改進措施。Ratio method, factor analysis method and multiple regression model were applied to source apportionment experiment of polycyclic aromatic hydrocarbons ( pahs ) in airborne particulate at traffic areas in nanjing
摘要通過比值法、因子分析法和多元逐步回歸模型對南京市交通幹道區顆粒物中的多環芳烴的源解析進行研究。Research and conclude the methods to determine blood pressure, present a method that systhsis the mean value method, comparing method and empiric coefficient method of the oscillometric blood pressure measurement
研究歸納血壓檢測方法，提出了一種綜合示波法測血壓中差值法、比值法和經驗系數法的血壓檢測計算方法。It estimates relation degree between factors according to curves analogue degree. 3 ration method is usually used for transformer fault diagnosis, it sometimes can not judge fault because of its lack of enough ration codes
在變壓器的故障診斷中普遍採用油中溶解氣體分析（ dga ）導則推薦的三比值法。但因其比值范圍不全，常導致在實際診斷過程中出現不能判斷的情況。How to uniform the units of all kinds of environmental impact factors is deeply discussed. furthermore, the proportion method is looked upon as a new method to solve this problem, in this paper. finally, three groups of examples are discussed, in this paper
另外本文還對同樣存在爭議的單項環境影響因素的指標化處理問題進行深入研究，在介紹現有的處理方法的基礎上，提出新的解決方案，認為可以用比值法解決不同量綱的環境影響因素的指標化問題。Conventional iec three ratio method and new iec ratio criterion are reduced according to the method of decision table in rough set theory respectively, simplified diagnosis rules are proposed. besides being identical with original iec method, the codes of conventional iec three ratio method are increased and bounds of new iec ratio criterion are augment by using this method, codes imperfectness of conventional iec three ratio method and code name absence of new iec ratio criterion are improved to some extent, scarcity of codes in conventional iec three ratio method is offseted, absolutization of sort and boundary in new iec ratio criterion is overcomed. this is important in practice for its flexibility and enhanced error tolerances
應用粗糙集理論中的決策表化簡的方法分別對常規iec三比值診斷表和iec新導則診斷表進行了化簡，得到了簡化的診斷規則，它們不但具有與常規iec三比值法和iec新導則完全相同的診斷分類能力，而且擴充了常規iec三比值表的編碼范圍和iec新導則的診斷范圍，在一定程度上改善了常規iec三比值表編碼缺損和iec新導則無對應代號的問題，彌補了常規iec三比值法編碼的不足，克服了iec新導則分類及邊界的絕對化，使得iec診斷法在實際診斷中更具靈活性、實用性和容錯性，提高了故障診斷能力。In accordance with the technological difficulties encountered in the process of insulation supervision based on the dissolved gases analysis ( dga ), several kinds of model and method are presented to improve the reliability and precision of fault diagnosis of the power transformer. main research content includes : by deeply studying the common transformer faults diagnosing methods, such as three - ratio methods and improved electrical committee agreements, several shortcomings such as uncertainness judgment when the fault reasons, phenomenon and principles come out together while can not consistent to each other etc. for this reason, the old methods can not fully meet the need to engineering practical application. considering fuzzy relationship matrix can fully represents the causality between fault symptoms and fault types, when diagnosing complex equipments with multiple symptoms and fault causes such as power transformer, a synthetic fuzzy diagnosing model is firstly proposed to diagnose transformer ' s insulation faults based on dga in this paper
本文針對應用油中溶解氣體分析方法進行變壓器絕緣監督時所遇到的主要技術難點，提出了提高變壓器故障診斷的準確性、可靠性的幾種模診斷方法，主要研究內容有：通過對判斷變壓器故障常用的三比值法和改良電協研法的深入分析，其診斷準確率較高，但對故障原因、故障現象和故障機理間同時存在不確定性和模糊性的變壓器等電氣設備的故障診斷，難于滿足工程應用的需要；在處理變壓器等結構復雜設備的多癥狀、多原因故障診斷時，模糊關系矩陣可以全面反映這種癥狀與故障類型間的因果關系，進而提出了變壓器故障診斷的模糊綜合診斷模型；同時作者還深入分析了模糊運算元的特性；針對常用的模糊評判結果的模糊集的集化方法的不足性，提出了將模糊綜合診斷與模糊規則推理結合起來進行故障診斷的方法，能達到較好的效果。This new method will bring significant developments in studying the principles of stomatal movement, and other quick movement in plants, c ) guard cells are incubated with ph dependent fluorescent chemical probe " bcecf am " and excited at 488nm, the fluorescent emission ratio method ( 520nm / 640nm ) is employed with laser scanning confocal microscopy, about 0. 4 ph unit increase in guard cell vacuoles is observed during stomatal closure that is induced by aba
本發展為保衛細胞與其它小細胞液泡的進一步研究提供了新思路。 c ）本工作通過激光共聚焦顯微術配合ph熒光探針bcecfam的單激發（ 488nm ）雙發射的熒光比值法（ 525nm 640nm ）觀察到，用aba處理的表皮條上的開放態氣孔在關閉過程中其保衛細胞液泡內ph有一約0 . 4單位的上升。Plenty of diagnosis examples demonstrate the validity of the gray relationship analysis method in diagnosing power system insulation faults. not only the misjudgment rate can be reduced, but also the transformer fault incidences can be classified by using self - adapted weight fuzzy clustering method. further more, the transformer insulation condition can be analyzed, as well as the fault position can be located by recognizing the fault types
經過大量的診斷實例表明：本文的模糊綜合診斷與模糊規則推理結合起來的故障診斷方法對電力研究變壓器絕緣故障診斷是有效的，能大大減少錯判、誤判比率；自適應加權模糊聚類方法能對變壓器的故障樣本正確分類，同時能有效判別故障類型，診斷的準確性大大高於常用的三比值法。Because of the work mentioned above, a new method of renewing ancient thickness is brought forward, the method of the continuing tendency of the uneroded stratum thickness, the method of the variety rate of the reference layer thickness and the method of the ratio of the contiguous layer thickness are used to renew the erosion thickness in ludong area for the first time and the method of fuzzy synthetic evaluation is used to prioritize the favorable places for prospecting for oil and gas
在此基礎之上，提出了一種恢復古厚度的新方法，並首次在陸東地區採用未被剝蝕地層厚度趨勢延伸法、參考層厚度變化率法和鄰層厚度比值法進行剝蝕厚度恢復，以及採用模糊綜合評判方法優選出了有利的勘探目標。分享友人