最後篩分 的英文怎麼說
中文拼音 [zuìhòushāifēn]
最後篩分
英文
final sizing-
At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。Then enzyme was purified with a deae - cellulose ( 5. 5x50cm ) column, a toyopearl hw - 65 ( 5. 5 x 50cm ) column and a sephadex g - 200 ( 5. 5 x 80cm ) column. finally, the enzyme was purified for 10 folds with the recovery of 17. 4 %. page showed a single band for the purified creatinase
3 、肌酸水解酶的提純酶在硫酸銨飽和度為40 80之間完全沉澱,先後經過deae - cellulose離子層析柱、 toyopearlhw - 65疏水層析柱、 sephadexg - 200分子篩層析柱層析,最終使酶提純10倍,最終得率為17 . 4 。At first, 1. 67 u g per well mcab all was coated on three wells of a plate, and then 1. 5 x 1011 phage virion was diluted and added, after incubating with the target, wash away unbound phage by tbst ( 0. 1 % tween - 20 ), the bound phage was eluted with ph 2. 2 tris - gly buffer and amplified, the specially bound phage was enriched by taking through addition binding / amplification cycles. ln the following cycles, the stringency of panning can be increased by raising the concentration of tbst or decreasing that of mcab all, collecting and titering the washing phage of last time and output phage in each round, the selective ratio and the false positive rate of each round were worked out, the gradually increasing of selective ratio and decreasing of positive rate shows that the panning was effective. after 4 rounds of panning, 11 phage clones were selected after competitive - ellsa, the dna samples of 8 positive clones and 1 negative clone were sequenced and all the foreign peptides inserted was also deduced, a clear consensus binding sequence emerged
在本實驗中,利用隨機12肽庫對抗豬瘟病毒( classicalswinefeverviruscsfv )糖蛋白me2的單抗a11進行表位篩選,經過四輪篩選以後,隨機挑取11個克隆作競爭- elisa檢測,結果表明,所挑11個克隆中,有9個克隆能對me2蛋白和a11反應產生抑制作用,抑制率最高可達64 ; dna測序以後經過dnastar軟體分析,發現它們的核心序列為anwralsl ,該核心序列與豬瘟病毒e2蛋白的28 - 35位氨基酸ttwkeysh具有同源性;夾心- elisa檢測和western - blotting試驗均證明所挑陽性克隆能被a11所識別;人工合成含核心序列的多肽經間接elisa試驗證實,也能被a11識別。Investigations also show that the catalyst shows good heat resistance in the presence of water and demonstrates high capability for mitigating sox poisoning. in the end, a novel way controlling combustion is employed in a 1. 342l s. i. engine, in which lean - burn, fast burn ( tumble ) and delay ignition make the engine provide much cleaner exhaust gas than that of a conventional premixed s. i. engine
最後綜合採用機內凈化和排氣后處理并行策略,即稀燃、快燃(滾流) 、推遲點火的可控燃燒新方案,結合分子篩稀燃催化器,在稀燃發動機典型工況下,在保證燃油經濟性較原機改善14 . 8 %時, nox的排放大幅降低。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分:首先,介紹航空發動機常見的磨損故障類型,研究磨損故障的失效機理,分析磨粒的產生機理、分類以及形態特徵:其次,針對傳統鐵譜分析技術的缺點,引入圖像分析技術,再結合特徵參數優化篩選,形成基於圖像的磨粒顯微形態學特徵描述方法:然後,基於提取到的磨粒形態特徵信息,應用模式識別方法完成磨粒自動識別,並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航空發動機滑油光譜分析與鐵譜分析數據,應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。On the basis of the study of the theory and appraise method on land use in the small towns from home and abroad, this paper at first conducts a deep study on the development and role of the small towns, indicating that its development has sawn an uneven development phrase and becomes a carrier of the enterprises, a pool of surplus laborers, a hub of material exchanges between the rural and urban areas, a base of spiritual civilization, an important way to achieve urbanization. second, it conducts a study on the situation and features and the problems the land use, indicating that the efficiency of the land use is low, which has a direct influence on the development of agriculture and the role of the small towns. and the study of the demand of the land indicates the shortage of land is serious, and the small town must rationally use the land and increases its intensive role and the economical efficiency to meet the demand
在分析國內外已有關于小城鎮土地利用的理論與評價方法的基礎上,首先對小城鎮在我國的發展、地位和作用進行了深入的分析,判明我國小城鎮發展經歷了一個曲折向上的發展階段,已成為鄉鎮企業的載體,農村剩餘勞動力的蓄水池,城鄉物資交流的樞紐,農村精神文明的基地,是我國城市化的重要途徑;其次,對小城鎮土地資源利用現狀和特徵進行了探討,並對發展小城鎮建設導致的土地利用問題進行了剖析,表明目前我國大多數小城鎮土地效益和規模效益低下,佔用耕地過多,直接影響農業的發展,影響小城鎮的地位和作用;通過小城鎮土地供需分析研究表明,我國土地短缺十分嚴峻,小城鎮土地需求缺口較大,小城鎮必須合理利用現有土地,增強集約功能和土地經濟效益,從而緩解需求壓力;最後,論文通過運用特爾菲法,描述統計分析法、多元統計分析(主成分分析)法和系統分析法中的層次分析法( ahp )等一系列方法,結合定性和定量兩方面,從土地質量、土地資源數量與結構、土地經濟效益、環境效益、社會效益等五個方面進行分析,篩選、建立了土地資源利用評價指標體系,在因子評價的基礎上,建立了土地利用綜合評價模型,並給出了評價過程和方法。Then i finish the analysis from three aspects, instruction of circuit, stress of surrounding, and tolerance, thus providing basis of design. the following designs are in progress from four aspects, which are circuit design, thermal design, derating using and screening. at last, i make the update generator in batch process, and collect and analyze reliability dates again
首先進行了與可靠性相關的數據收集與分析,對故障模式進行統計;然後從電路結構、環境應力及容差三個方面進行可靠性分析,從而為關鍵的可靠性設計提供了依據;接下來的可靠性設計,從電路設計、熱設計、降額使用、篩選四個方面逐一解決了可靠性分析階段發現的問題;最後,我將改良的發生器批量生產,並從中重新收集了可靠性數據進行計算,事實證明改良后高頻無極燈的平均壽命已達到6萬小時。At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss
然後對現有的演算法進行了詳細的分析、比較,篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案,確定了準同步采樣的方案,並通過對準同步采樣誤差的分析,提出了一種從45開始采樣,從而提高精度的采樣數據處理辦法,同時,對于電流互感器相位漂移提出了一種補償辦法,接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析,其中對于無功補償採用y混合接線,並利用交流接觸器和固態開關共同投切電容,不但提高了經濟運行水平、改善了電能質量,而且有效的避免了頻繁更換開關,減少了經濟損失;最後,設計了裝置的硬體電路並繪制了相應的軟體流程圖。In this paper, bioremediation technology of contaminated soil with organic pollutants was summarized, which were technologies of the microorganism remediation, the phytoremediation and the mycorrhiza remediation for contaminated soil, the future developments of these bioremidation technologies were prospected as follows : when the efficient surfactants was used to enhance phytoremediation systems, its optimum doses should be considered ; studying on the important role of the rhizosphere exudates in the phytoremediation, seeking the best matching partners between plant and microorganism and the best mycorrhizal funguses to improve pollution degradation
摘要綜述了有機污染土壤生物修復的三種技術,即微生物修復技術、植物修復技術、菌根生物修復技術及其研究現狀,並展望了這三種生物修復技術今後的研究方向,如利用表面活性劑提高植物修復效率時,應考慮其最佳使用量;加強研究根分泌物在植物修復土壤污染中的作用;進行植物微生物聯合體篩選技術研究;篩選促進污染物降解的優良菌根菌種等。It solves problems of filtering and systematizing of sustainable development indicators. we also analyze and evaluate the structure of existing kinds of sustainable development indicator systems. based on chapter four, in chapter five we study on synthetic evaluation method of sustainable development and analyze harmonizing method 、 weight determining and synthesizing method of sustainable development systemically
重點解決可持續發展指標的定性、篩選與體系化的問題,並對現有的各種可持續發展指標體系的結構進行了剖析和評價;第五章在第四章的基礎上研究了可持續發展的綜合評價方法問題,對可持續發展協調度測度方法、權數確定方法和綜合合成方法進行了系統分析;第六章是本文的最後一章,研究可持續發展的核算方法問題。First of all we discuss the model of information purifying and bring forward the methods of setting up the according fuzzy set and subject function. secondly after analyzing the traditional technology and the strongpoint and the shortcoing of information purifying we improve it combining with the technique of fuzzy mode identifying, data warehouse, cache etc. and we can perpetrate an on - line and synchronous purifying through analyzing the text and picture showing in the pages of network. finally, we choose sql server 2000 to design the url database and delphi, wingate as the tool for system development to develop an efficient system of information purifying which can keep the network consumer especially young student apart from the intrusion of unfriendly information and make the environment of network pure and fine
本文首先探討了該系統中的信息「凈化」模型,提出了模型中的模糊集及隸屬函數的構造方法;然後分析了傳統的信息「凈化」技術及其優缺點,結合模糊模式識別、數據倉庫、高速緩存等技術對傳統的信息「凈化」技術進行了改進,改進后的信息「凈化」技術可通過分析正在顯示中的網頁文字、圖片內容,做即時、同步性的網頁內容篩選;最後,利用sqlserver2000設計了url數據庫,選擇delphi 、 wingate作為系統開發工摘要具,設計開發了一種高效的網路「凈化」器,使網路用戶尤其是青少年學生遠離非友善信息的侵擾,讓網路環境更加純凈、美好。In brasov, more than a dozen brown bears have been picnicking on garbage among the city ' s drab tower blocks, prompting authorities to begin culling the animals, which have been hunted to extinction in much of the rest of europe
這將是它們最後的野餐。盡管在有些歐洲地區熊已經瀕臨滅絕,但在此地卻是"熊滿為患" ,人們只好從中篩選出一部分, "送它們上路" 。After the final washing and drying cycle, condition by laying the specimens separately on the screens or perforated shelves of a conditioning rack at 21 ? 1 ? c ( 70 ? 2 ? f ) and 65 ? 2 % rh for at least 4 hours before evaluation
完成最後一個洗滌和乾燥循環后,在評級前,把樣品分開放在篩子或有孔架上,在溫度70 ? 2 ? f )和濕度65 ? 2 % rh下至少4小時。The research work presented a large quantity of debris characteristics parameters, and especially made a thorough study on the characteristic description of sediment chain graph ; meanwhile, the sensibility, differentiation and information redundance analyses of the characteristic parameters also supplies the quantitative indexes for the filtration and optimization of the debris characteristic parameters ; in addition, the debris fusion decision recognition method based on the proof fusion theory and the comprehensive debris recognition flow provide reliable recognition arithmetic for debris recognition ; and lastly, the fault fusion diagnosis judging method based on ferro - graph and spectral analysis provides the basic diagnosis method in theory for multi - fault premonitory diagnosis system of aero - engine
本文研究工作提出了大量磨粒特徵參數,尤其深入研究了沉積鏈譜片的特徵描述問題;同時,特徵參數的敏感性、區分度與冗餘度分析為磨粒特徵參數的篩選優化提供了量化指標;另外,基於證據融合理論的磨粒統計融合決策識別方法以及磨粒綜合識別流程為磨粒識別提供了可靠的識別演算法;最後,基於光譜和鐵譜信息的磨損故障融合診斷決策方法為發動機多故障徵兆綜合診斷系統提供了基本的診斷理論手段。Mature embryo - derived calli of japonica rice ( oryza sativa l. ) cultivars nipponbare were transformed using agrobacterium tumefaciens strain agl1 carrying a binary vector pcas04 harboring the marker gene, neomycin phosphotransferase gene ( nptii ), driven by a promoter from the ubiquitin gene in maize, a promoterless p - glucuronidase gene near to the left border of t - dna for trapping gene and a strong promoter, rice actin - gb promoter, near to the right border of t - dna as activation tagging. in this system, co - cultivation was simplified, special selection stages and pre - regeneration stage were omitted, the whole process was almost under continuous light at 30 ? except co - cultivation and transgenic plants began to generate only after 7 weeks calli were induced
在一步轉化系統中,光照高溫條件下培養的水稻愈傷組織從誘導開始經過4周時間就可以達到轉化實驗的要求,並且簡化、優化了整個共培養過程,省去了一篩、二篩和預分化步驟,只用7周的時間就可以初步得到再生轉化植株;共191塊愈傷組織得到125塊抗性愈傷組織,轉化頻率達到65 . 4 ,最後共得到99棵獨立來源的再生植株,抗性愈傷組織再生頻率達到79 . 2 。The responses are then scored according to these attributes to identify final candidates for on - site visits
這一批機構會根據問卷結果進一步獲得評分及篩選,然後得出最後名單以進行實地考察。For power control of listening users, forward power control method are introduced based on full, multichannel, filtered report, and collision method etc. the full report method has redundancy report information, and its real - time performance is bad, multichannel report is introduced to improve the real - time performance, and filtered report is introduced to eliminate the redundancy information, finally the collision method introduced can not only get higher real - time performance but also diminish the redundancy information ; 2. in order to meet the requirements of making the dynamic simulation of trunking group system, the ms ’ s random move equation is brought forward, the simulation of ms ’ s distribution is done and the integrated channel model are presented ; 3. the smart predicative model of power control is introduced to overcome the delay and track the change of the complicated network, with this model, the power control ‘ s performance is greatly improved
全匯報方法存在冗餘的匯報信息,而且實時性較差,為了改善實時性提出了多通道的匯報方式,為了改善冗餘匯報而提出了篩選法,最後介紹的碰撞法在減少冗餘信息的同時又提高了實時性;二、為了集群功率控制動態模擬的需要,提出了移動臺的隨機運動方程,進行了有關移動臺的分佈模擬,建立了綜合的通道模型;三、希望克服延時和跟蹤復雜網路環境變化,提出了功率控制的智能預測模型,通過智能預測模型可以改善功率控制的性能,著重介紹了採用神經網路的方法實現智能預測的通用模型,從而跟蹤復雜多變的無線環境,諸如慢衰落及快衰落(包括多徑衰落、多普勒效應所引起的衰落)等網路特徵,達到預測功率需求;四、採用二級正交碼和智能天線(空分多址)的方法進行組內用戶的識別,改進功率控制效果;五、話權用戶的前向和反向功率控制方法;六、對引入gota的cdma系統提出了復合容量表示方法,並作容量分析,探討有關gota系統的qos問題。分享友人