等效粗度 的英文怎麼說
中文拼音 [děngxiàocūdù]
等效粗度
英文
equivalent roughness-
As one of the contracted agricultural technology extension project in shanxi province, the jinnan cattle feeding and management technical package exte nsion project, assigned by science and technology committee of shanxi province i n 1999, directed on the problems, such as extensive cattle feeding and managemen t, low sale percentage of commercial beef cattle, low meat production, low repro ductive survive rate of cows and poor economic returns, to increase the scientif ic contents and economic returns of cattle industry by adopting technical packag e including beef cattle crossbreeding, beef cattle feeding and management, cow ' s feeding and nutrition, calf raising, stover processing, and supplementation for grazing cattle in winter and spring etc
「晉南牛飼養管理配套技術推廣」是山西省科委1999年度下達「山西省農村技術承包」項目，其目的是針對我區廣大農戶養牛飼養管理粗放、商品牛出欄率低、產肉率低、母牛繁殖成活率低、經濟效益差等缺點，通過採用肉牛雜交改良、改良肉牛飼養管理、加強母牛飼料營養、犢牛培育、秸稈氨化、放牧牛冬春補飼等配套技術，達到提高養牛業科技含量，增加養牛業經濟效益的目的。Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering
主要考察了老混凝土表面不同處理方式（刷毛面，鑿毛面，劈裂面） 、界面粘結劑類型（水泥凈漿，水泥砂漿， u型膨脹劑水泥漿） 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響，以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明，粗糙度對新老混凝土粘結性能有重要影響，隨著粘結面粗糙度的增大，粘結面劈拉強度不斷增加；界面粘結劑類型對新老混凝土粘結性能有一定影響，在凍融作用下， u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿；凍融循環對粘結面劈拉強度有較大影響，加氣能明顯改善新老混凝土粘結面的抗凍能力。Following this principle, dpc adopted the method of " goal management ", i. e. disintegrating the three goals of investment, schedule and quality to different levels in accordance with different administrative levels to keep their consistency generally. moreover, dpc tried some effective new pattern such as in - phase management, strategic pass management and block management to shorten the time limit on the premise of ensuring the project quality. using some effective science way and modern management technology such as key line method to realize the reasonable resources allocation, including human resource, material resource and financial resource
在這一理念的指導下，大連石化分公司運用了目標管理，將投資、進度、質量三大目標層層分解，並保證目標點的設置和時間段的劃分切實可行，方便合理；目標分解結構在較粗的層次上與組織分解結構一致，實現了組織結構設計與目標分解設計的配套；努力提高作為建設單位為各參建方的服務意識，注重與參建各方的有效溝通和相關單位的全方位協調；採用同步管理、關口管理和分塊管理等多種有效的新模式，在保證工程質量的前提下，趕工期，搶進度；用關鍵線路法、凈值法等有效的科學手段和現代管理技術來實現建設工程中資源的合理配置。In the long run, the economy beneficial of grassland claim is lower. the soil nutrition lose, mechanic compose become crude, vegetation restore is slow, the drought resisted ability is poor. therefore, it is not worth to claim grassland both from economy and ecology point of view
長遠來看，草地開墾經濟效益低下，撂荒后又面臨土壤養分流失、機械組成粗化、植被恢復緩慢、抗干擾能力弱等諸多生態問題，因此，無論從經濟學還是生態學角度，開墾草地得不償失。( 3 ) solid solution with good solid solution ability were acquired by solid soluting treatment for 25 min at 540 c, 560 c and 580 c, respectively, after that water quenching was carried on. in the case of 580 c, the coarseness of the precipitation at grain boundaries did not happen, equi - part 120 did not emerge at the intersection of three grains, these suggest that over sintering did not happen
6013合金實驗熱軋板材經固溶處理後於180時效4小時達到峰值硬度； （ 3 ） 540 、 560 、和580固溶處理25min 、水淬，得到了固溶充分的固溶體， 580的情況下晶界析出相未粗化、三晶粒交界處的角度未出現等分的120 ，表明未發生過燒。In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples
第二章在聲波動理論基礎上，詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式；根據fredholm積分理論，對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明；改進了chief法以提高其克服解的非唯一性的有效性和可靠性；對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究；開發了三次樣條改進chief法計算軟體，並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。Pilot - scale experimental results showed that, comparing to conventional gravity filtration, the up - flow filtration has greater capacity in containing removed suspended solid and producing filtrate under the test conditions. coarse media with particle diameter ranging 0. 63 - 2. 00mm were used in order to apply relatively higher backwash rate of 21 l / ( m2. s ) for achieving better media clean - up after a filtration run. under the test conditions, the media thickness ranging 82 - 85 iron, water temperature ranging 6 - 27, and influx turbidity of 30 ntu, it achieved the results of the average filtration rate ranging 16 - 18 m / h, the average effluent turbidity of 1 ntu, and action cycle ranging 14 - 24h
中試研究結果表明，粗石英砂濾料上向流過濾比傳統的重力流過濾具有更大的含污能力和產水量，為適用較高的反沖洗強度（ 21l （ m ~ 2 ? s ） ）以便濾料清洗更干凈，採用粒徑范圍為0 . 63 2 . 00mm的粗石英砂濾料，濾層厚82 85cm ，水溫6 27 ，進水濁度為30ntu左右等情況下，能獲得平均濾速為16 18m h 、平均濾后水濁度為1ntu左右、周期達14 24小時的好效果。Moreover, the applicability of the incompressible friction factor is discussed. ( 3 ) the effects of surface roughness in microchannels were taken into account in terms of a roughness - viscosity function
（ 3 ）將微管道表面粗糙度的影響等效為粗糙度粘性系數，提出適合於可壓縮流動的二維和三維粗糙度粘性系數模型。Aminobenzenesulfonic acid super - plasticizer is selected though cement paste test, which be provided with high water - reducing property, low slump loss and good compatibility with cement. according to the request of super high early strength, admixture rf is obtained though tests to compare performances of different accelerators and admixtures. experimental research and analysis are carried out on coarse aggregate ' s grain - size effect and composite aggregate ' s bulk - density to take sensitivity of coarse aggregate into account
通過水泥凈漿試驗比較選擇了減水率高、坍落度損失小、與水泥適應性好的氨基苯磺酸鹽高效減水劑；針對超早強的性能要求，試驗比較了不同早強劑及早強性摻合料的性能表現，研製了早強性能顯著、與高效減水劑和水泥相容性較好的rf摻合料；考慮到修補混凝土對粗集料粒徑的敏感性，對粗集料粒徑效應及混合集料堆積密度進行試驗研究與分析；並對修補混凝土的抗折、抗壓、新老界面粘結強度以及抗凍性等進行了試驗研究。In the same time, this method has been used to repairing a concrete pavement, and the practice proves that the proposal method is suitable and effective
該粘結面粗糙度評定方法與灌砂法具有內在的等價性。並用工程實例對該方法的適用性和有效性進行了驗證。Firstly, influence factors of generalization of neural network are presented in this thesis, in order to improve neural network ’ s generalization ability and dynamic knowledge acquirement adaptive ability, a structure auto - adaptive neural network new model based on genetic algorithm is proposed to optimize structure parameter of nn including hidden layer nodes, training epochs, initial weights, and so on ; secondly, through establishing integrating neural network and introducing data fusion technique, the integrality and precision of acquired knowledge is greatly improved. then aiming at the incompleteness and uncertainty problem consisting in the process of knowledge acquirement, knowledge acquirement method based on rough sets is explored to fulfill the rule extraction for intelligent diagnosis expert system, by completing missing value data and eliminating unnecessary attributes, discretization of continuous attribute, reducing redundancy, extracting rules in this thesis. finally, rough sets theory and neural network are combined to form rnn ( rough neural network ) model for acquiring knowledge, in which rough sets theory is employed to carry out some preprocessing and neural network is acted as one role of dynamic knowledge acquirement, and rnn can improve the speed and quality of knowledge acquirement greatly
本文首先討論了影響神經網路的泛化能力的因素，提出了一種新的結構自適應神經網路學習演算法，在新方法中，採用了遺傳演算法對神經網路的結構參數（隱層節點數、訓練精度、初始權值）進行優化，大大提高了神經網路的泛化能力和知識動態獲取自適應能力;其次，構造集成神經網路，引入數據融合演算法，實現了基於集成神經網路的融合診斷，有效地提高了知識獲取的全面性、完善性及精度;然後，針對知識獲取過程中所存在的不確定性、不完備性等問題，探討了運用粗糙集理論的知識獲取方法，通過缺損數據補齊、連續數據的離散、沖突消除、冗餘信息約簡、知識規則抽取等一系列的演算法實現了智能診斷的知識規則獲取;最後，將粗糙集理論與神經網路相結合，研究了粗糙集-神經網路的知識獲取方法。Rz 14 70gm, tested by mitutoyo surftest 402 semi - sand plane with small roughness. rz
Rz 14 70m ，以mitutoyo surftest 402粗糙度測試儀量度的砂紋絲紋等多種效果Larger loading capacity under the same specification ; easily establishing lubricant oil film, smaller friction coefficient, higher transmission efficiency, saving energy ; highest accuracy up to grade 3 of din standard ; smoother functioning, lower noisiness and longer service life
平麵包絡環面蝸桿與普通圓柱蝸桿傳動相比具有更大的承載能力，易於建立動壓油膜摩擦系數小，傳動效率高節省能源具有可磨削性，能達到din標準三級，面粗糙度優于ra0 . 4而且具有運行平穩噪音低壽命長等優點。This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively
本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ （ 60 ）粗品產率的影響；接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ （ 60 ）固體，比較了不同流動相和固定相的提純效率和效果；然後採用自己改進后的真空鍍膜機，利用電阻式加熱蒸鍍方法，得到了純c _ （ 60 ）薄膜和不同摻雜比的銀摻雜薄膜；探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響；最後通過xps ， afm ，紫外，紅外，拉曼對薄膜的成分、結構和特性作了定性和半定量分析。It can efficiently reduce the time and cost of development and can provide support method, such as, optimizing design, real time simulation, failure diagnosis, on orbit management etc. this thesis base on vpm platform to build a coarse - grained virtual prototype of space station, mainly discussed : ( 1 ) the construction and expanding of vpm virtual prototype, a user model about space station has been programmed for vpm
這樣可以有效的縮短研製周期、節約研製費用，並為實際運行提供優化設計、實時模擬運行、故障診斷、運行管理等支持手段。本論文基於虛擬樣機vpm平臺，建立了空間站粗粒度虛擬樣機，主要進行了以下的研究： （ 1 ） vpm虛擬樣機的構成、擴充。At present, with china " s accession to wto, the construction industry itself in our country has been relatively lagging behind in the fields of operation notions % management modes and system originality. they are prominently reflected as follows : lack of capital operation notions > conspicuous features of rude operation and management and corporate system with an empty name as well as the resulting low efficiency of resources distribution and the impotent capital increment
改革開放以來，我國建築業企業在生產經營方面有了長足發展，面臨加入wto ，建築業企業自身在經營觀念、管理方式、制度創新等方面還相對滯后，突出地表現為：缺乏資本經營觀念、粗放式經營和管理特徵明顯、公司形式有名無實，由此而導致資源配置效益低、資本增值能力不足。Taking gear without tooth face invalidation such as agglutination and abrasion as a precondition, and according to the relation between minimal oil film thickness and tooth face roughness of elastic liquid dynamic pressure lubrication theory, viscosity of gear lubrication oil was educed by reliability method in this paper, and the calculation formula has been elicited and applied
摘要以齒輪傳動不發生膠合、磨損等齒面失效為前提，根據彈性流體動壓潤滑理論的最小油膜厚度與齒面粗糙度的關系，用可靠性方法確定齒輪潤滑油的粘度，給出計算公式並進行了實例計算。The third part discourses with some shortcomings in the early marketing period on the base of analyzing the formation of chinese government economy function, the features and the accomplishments in the planned economy, i. e, careless in the construction of organizations, behind in economic legislation, imperfect in administrative legislation, incapable in supervising the administration, and it also gives some factors of causing the deficiency of legalization, i. e the wrong idea of all - round government, the influence of ruling by man and irregular tradition, the backwardness of the law construction or the restriction of the level of the planned economy itself
第三部分，在分析計劃經濟時期中國政府經濟職能的形成、特點及其績效的基礎上，簡述市場化初期中國政府經濟職能法定化欠缺在組織法建設粗疏、經濟立法落後、行政立法不完備、監督行政乏力等幾個方面的具體體現，並闡述了導致法定化欠缺的幾個因素，即全能政府的觀念誤區，人治意識和非規則化傳統的影響，法制建設的滯后以及市場經濟本身發育程度的制約等。A new binary fuzzy rough sets model based on triangle modulus is discussed, and its application in image edge - detecting and noise eliminating shows better affect than classical edge - detecting operators, such as sobel, prewitt, rorbets and so on. in addition, compared with the classical mathematical morphology, a new mathematical morphologic algorithm based on rough sets not only ensures continuity of the edge, but also renders the edge thin
結合模糊集，本文還研究了模糊粗糙集模型在圖像處理中的應用，提出一種基於t模的二元模糊粗糙集模型，並將該模型應用到圖像邊緣檢測和去噪方面，取得了比sobel等經典運算元較好的效果，在一定程度上改進了經典邊緣檢測演算法對低對比度邊緣檢測不明顯的問題。Equivalent uniform roughness
等效均勻粗糙度分享友人