預篩分 的英文怎麼說
中文拼音 [yùshāifēn]
預篩分
英文
precut-
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。Sieves and sieving. preformed wire gauze with square apertures made from high tensile steel round wire for industrial sieving
篩和篩分.工業篩分用高張力圓鋼絲制預成形方孔金屬絲網At the part of empirical study, this paper chooses 124 a - stock listed companies from stock exchange of shanghai and shenzhen as research samples, makes use of the step method to filter the 13 possible variables ( including 3 debt - paying ability indexes, 3 operating ability indexes, 4 profitability indexes and 3 cash flow indexes ) in analysis and finally sets up discrimimant models by fisher discrimimant rules with the samples " financial data. then this paper validates the stability of these models using the self - validation and cross - validation before analyzing the prediction ability of these models with outside - validation
實證研究部分主要以我國深、滬兩市124家上市公司為研究樣本,採用上市公司1998年至2001年的實際財務數據,運用逐步判別分析方法對擬進入模型的13個變量(包括3個償債能力指標、 3個經營能力指標、 4個獲利能力指標及3個現金流量指標)進行篩選,並根據fisher判別準則建立判別模型,在運用自身驗證法與互動式驗證法對模型的穩定性加以驗證后,運用外部數據驗證法對模型的預測能力進行了分析。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。The simulation on synthetic data is made and the result is discussed. 5 ) by using borland c + + builder and matlab, a semi system, i _ miner, is developed to mine association rule. it can realize other functions just as data cleaning, data transform, etc. furthermore, i _ miner is applied to an actual industry database
提出用趨勢變換序列dtw距離做篩選的搜索方法,有效提高整個搜索效率,並在模擬數據庫上進行模擬實驗,並對實驗結果進行分析和討論; 5 )以borlandc + + builder和matlab為開發平臺,設計一個進行關聯規則挖掘的準系統i _ miner ,可以實現數據預處理,數據變換和關聯規則挖掘等工作。Effects of crystal size of zn zsm 5 and pretreatment conditions on the aromatization of propane
5分子篩晶粒大小和預處理條件對丙烷芳構化性能的影響The series feeder is in front of selecting machine, as a function to pre - selecting, as to strengen the capability of primary crushing
該系列給料機用於粗碎破碎機前大塊物料的均勻給料,同時由於棒條篩面的作用,又能除掉泥土等細碎物料,達到預篩分功能,能夠提高粗碎能力。In applying western medicine, initiates prepared medical supplies, blood testing equipment, urine testing strips, an electrocardiograph, an abdominal ultra - sound scanner, and the latest and most professional eye - examination instruments used by ophthalmic experts. this was a great step toward meeting the medical needs of local residents in this modern age. while diagnosis and treatment were provided, much emphasis was also placed on educating the people that prevention is better than cure
義診當中,中西醫服務都廣受歡迎西醫方面除了藥品部分,還準備了血液生化檢驗機尿液篩選試紙心電圖機器腹部超音波機器等等,還有由眼科專科醫師所準備的最新最專業的眼睛檢查儀器,以最合乎時代需要的角度向前邁一大步,除了疾病治療,更朝向預防勝于治療的型態,所以幾乎所有前來接受義診的民眾,都要求接受各種檢驗。A total of 168 strains of actinomycetes, of which 23, or 13. 7 %, displaying antitumor activity, was isolated from near - shore marine samples collected at wenchang mangrove, danzhou harbor and yanpu harbor, three isolation methods were employed, which are sds pretreatment, phenol pretreatment, heating pretreatment and potassium dichronate selection culture, and various media were used
先後從文昌紅樹林、儋州港以及洋浦港採集樣品,採用苯酚、 sds 、加熱三種樣品預處理法和添加重鉻酸鉀的選擇培養法,並選用多種培養基對這些樣品進行了具有抗腫瘤活性海洋放線菌的分離篩選。共分離到168株放線菌,其中23株具有較強的抗腫瘤活性。Separate egg white and egg yolks, mix and shift the flour, corn starch and baking powder. preheat oven to 180
把蛋白和蛋黃分開;混合麵粉、粟粉和泡打粉,過篩待用;預熱?爐至攝氏180度。Guide to the choice of aperture size and wire diameter combinations for industrial wire screens and woven wire cloth - preferred combinations for pre - crimped or pressure - welded wire screens
工業金屬絲篩網和金屬絲編織布孔徑和絲徑組合選擇指南.第3部分:預壓接或壓力焊接金屬絲篩網的優選組合As well as in eukaryocyte ( hepg2 and cos - 7 ), then detect their antigenity as a basis study and explore of the choice of immunogen for preventive and therapeutic vaccines of hepatitis b. methods : the gene fragments coding 152aa ( si ) and 124aa ( s2 ) of the carboxyl terminus of hbsag were amplified by pcr from plasmid pecob6 with a pair of primers containing different endonuclease sites and were cloned into multiple cloning sites of plasmid pbks ( + )
為乙型肝炎的預防和治療性疫苗免疫原的選擇進行初步的研究和探討。方法:本研究利用聚合酶鏈反應( pcr ) ,通過設計帶有不同酶切位點的一對引物,從質粒pecob6特異性擴增hbsag蛋白羧基末端152個氨基酸( s1 )和124個氨基酸( s2 )的基因片段,分別將二者克隆到質粒pbks ( + )的多克隆位點,篩選重組克隆。By use of correlation analyzing of temperature in heilongjiang province and previous general circulation or surface temperature, provision predictors are chosen to develop a predictive relationship of temperature anomaly in january or july of heilongjiang province with the theory of screening regression
通過對黑龍江氣溫與前期環流場和下墊面溫度的相關分析,選取候選因子,用逐步回歸的原理進一步篩選,建立黑龍江1月、 7月月平均溫度距平的預報方程。Precomputed partitions for filtered merge publications
已篩選合併發布的預計算分區Optimizing parameterized filter performance with precomputed partitions
>使用預計算分區優化參數化篩選器的性能Precomputed partitions is also a requirement for using logical records on filtered publications
預計算分區也是在已篩選的發布上使用邏輯記錄的一項要求。Precomputed partitions is a performance optimization that can be used with filtered merge publications
預計算分區是一種性能優化方法,可用於已篩選的合併發布。The paper is study about maneuver of orbit filtration and orbit predict in space debris collision prediction analysis. its result is directly applied to environment subsystem about space debris, it roots in a project of prediction database based on network from spaceflight office of shanghai
本文針對空間碎片碰撞預警分析中有關軌道篩選策略和軌道預報計算方法內容進行研究,所獲得的研究成果將直接應用於上海航天局的「基於網路的空間環境預報數據庫」中的碎片環境子系統。The purified products were cloned into pgem - t - easy vector successfully, the cloned plasmids were transformed into e. coli. tgl. the specific recombinant plasmid was identified by molecular weight, pcr and restriction endonuclease analysis. the results indicated that the resultant construct contained the gene of interest hn at right orientation of the insert
經瓊脂糖電泳檢測,將大小與預計分子量一致的片段純化后連接到pgem - t - easy克隆載體中,再轉化大腸桿菌tgi感受態細胞,得到的轉化子經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆。The purified production was cloned into pmd18 - t vector. the cloned plasmids were transformed into jm109. the specific recombinant plasimid was identified by molecular weight, pcr and restriction endonuclease analysis. the results indicated that the resultant construct contained the gene of ibdv a fragment at right orientation
經瓊脂糖電泳檢測,將大小與預計分子量一致的片段純化后連接到pmd18 - t載體中,再轉化到jm109感受態細胞,得到的轉化子經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆,結果表明,得到的陽性重組子中含有a節段全長基因,插入到載體中的方向正確。分享友人