篩分特徵 的英文怎麼說
中文拼音 [shāifēntèzhǐ]
篩分特徵
英文
screening characteristic- 篩 : 名詞[書面語] (植物名) sedge
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 徵 : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
- 特徵 : characteristic; feature; properties; aspect; trait
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Firstly, we study the construction of emotion - speech template database, and analyze the common features such as pitch, energy and formant. after choosing the useful features by using fuzzy entropy effectiveness analysis, we get better performance with the application of neural network. in addition, we propose some more efficient features such as speech rate, pitch slope, mel - frequency cepstral coefficients and its transient parameters, and design a processing model based on vector quantization for cepstral features to fusing different features
本文首先介紹了情感語音數據庫的建立情況,然後研究了基音頻率、振幅能量和共振峰等目前常用的情感特徵在語音情感識別中的作用,並且通過一種基於模糊熵的特徵有效性分析方法進行了有效特徵的篩選,應用人工神經網路建立了初步的語音情感識別模型,經過實驗發現特徵篩選后系統的識別效果有著一定程度的提高。It has been 40 years since dobereiner and ruschel isolated the nitrogen - fixing bacteria from the rhizosphere of sugarcance plants and demonstrated the potential of diazotrophs to associate with graminaceous plants. more recent evidence of significant biological nitrogen fixation in economical important graminous species, particularly sugar cane, rice and forage grasses, has induced tremendous interest in ni fixation by non - legumes
本研究分離、篩選得到一株固氮酶活性高且穩定,生長勢強的聯合固氮菌株,並對其分類地位、形態及生理特徵、對環境的適應性及其對植物的促生效果和作用機理作了系統研究,得結果如下。And l. mollis hemsl, a random amplified polymorphic dna ( rapd ) analysis was performed for the first time. the screening of 40 decamer oligonucleotides allowed the selection of 11 primers used for the analysis, the dna fingerprints of 10 samples were constituted and the genetics evidence was furnished. to study on the contents and chemical constituents of essential oil from leaves and fruits of different species of litsea lam, the chemical compositions were separated and identified by gc / ms
為了評價山雞椒和毛葉木姜子的不同品種和品系,採用rapd技術,從40個引物中篩選出11個特徵引物,首次獲得山雞椒和毛葉木姜子以及它們的栽培品系的dna分子指紋圖譜,從分子水平上較全面地評價了各樣品間的親緣關系,從而為栽培品種的劃分提供了一定的遺傳學上的證據。Natural cryptomelane ; manganese oxide octahedral molecular sieve ; occurence ; xialei manganese deposit in guangxi
天然錳鉀礦八面體分子篩產出特徵廣西下雷錳礦Metallophalocyanines ( mpcs ) are a kind of centrosymmetric planar organo - metallic molecules with an extensively delocalized two dimensional conjugated - electron system which show a relatively large third order optical nonlmearity, varying upon central metal atom substitution and other factors. other interesting properties of this molecule and many of its derivative products are their versatility, architectural flexibility and high environmental stability, which are very important requirements to implement photo - electronic applications
因其骨架結構特徵和可通過選擇中心離子、軸向配體和在酞菁環上引入功能性取代基等方法進行分子篩選與組裝得到具有特殊的物理化學性質和光、電、催化等功能的材料,而引起化學家和材料學家的濃厚興趣。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。In order to analyze their psychological characteristics comprehensively, the research was carried out on 152 bearing and unboarding children in wenzhou, which adopt group intelligence test for students, eysenck personality questionnaire ( epq ), group thematic test for students ( t - tat ) and symptom checklist 90 ( scl - 90 ). it is shown that these children has developed their unique characteristics
為了全面了解寄託兒童的心理特點,本研究採用中小學團體智力篩選測驗、艾森克人格問卷(兒童版) 、學生團體主題統覺測驗( g ? tat )和癥狀自評量表( scl ? 90 )四個量表對溫州市152名寄託兒童和一般兒童進行調查分析,結果表明,寄託兒童已經形成了自己的特徵。It is difficult to conform the derivations of the native heavy minerals, so the author assumes corresponding procedures as follows to accomplish the research task : firstly, according to the composition typomorphic peculiarities of minerals deriving from mantle, the author selected a part of minerals as preliminary reseach objects from the native heavy minerals and then further investigate the mantle ones and their host rocks in two ways : one is the method of comparation with the corresponding minerals of rocks deriving mantle in the research field and other places ; anorther is the method of multivariate statistical analysis
本次工作為了盡可能地排除非幔源礦物的干擾,根據陳光遠( 1990 ) 、潘兆櫓( 1994 )等學者有關礦物成分標型的論斷,篩選出地幔特徵元素含量較高的重砂礦物做為初步研究對象,為達到研究目的採取了如下方法:與區內已發現的幔源巖石(如鉀鎂煌斑巖等) 、國內外有代表性的堿性玄武巖、金伯利巖、鉀鎂煌斑巖的深源包體中的相應礦物進行對比研究的方法;多元統計分類的方法。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。Following, we developed an electronic nose adopting advanced technology which combined capillary column to separate vocs according their different retention time and surface acoustic wave sensor coating with polymer film to detect the qualities of those vocs. in my article, lung cancer situation, breath detection principle, feasibility of electronic nose adopting breath detection, and the principles of spme & gc have been particularly introduced. and initially certified the correlation between lung cancer and the marker vocs by detecting lung cancer patients breath, normal human breath, and lung problem patients by solid phase microextraction ( spme ) and gas chromatography ( gc ) system
本課題根據國外關于呼吸氣體中某些有機氣體成分和肺癌相關性的研究工作報告,採用固相微萃取?氣相色譜系統對肺癌病人呼吸氣體、正常人呼吸氣體、和其它類肺病患者呼吸氣體中的有機氣體成分進行對比檢測、研究,以期確定肺癌病人呼吸氣體中特徵有機氣體成分;並且期望建立首創的採用毛細管色譜柱與聲表面波傳感器聯用技術的電子鼻系統,與固相微萃取?氣相色譜系統作為對比檢測,能夠做到粗篩肺癌病人。( 3 ) in terms of flowing characteristic of drilling fluids on the roller screen, the flowing equations at the axis direction and the tangent direction and the flowing through the screen, and the continuously flowing equation of drilling fluids are built. the characteristic - difference equations of flowing model for drilling fluids are given and the theoretical analysis is made
( 3 )根據鉆井液在筒式篩網上的流動特點,建立了筒式篩網上鉆井液沿軸線方向流動、周向流動和透篩流動的流動方程,以及鉆井液的連續流動方程,利用特徵線法寫出了筒式網上鉆井液流動模型的特徵差分方程,並作了理論分析。Regarding the estimated performance of classifier at high specificities ( > 80 % ) in control eyes as measured by the partial area under the receiver - operating characteristic curve, the combination of both instruments is also superior to the individual instruments
以受試者工作特徵曲線下部分面積作為對照眼高專屬性( > 80 % )的分類性能評價,兩種儀器聯合篩查也優于單一儀器篩查。A series methods of data combination analyzing are selected to form the operating method system for crop discrimination. combining gis, gps, and other data from field work with rs data can determine interpretation features and set off working regions, combining rs data can enhance spatial features in order to do unsupervised classification efficiently, union of gis data enable us to join maps and extract features, to analyze crop structure, crop calendar, cultivating system
本項研究篩選出了構成運行化作物遙感識別技術體系的一系列數據復合分析方法,包括gps 、 gis數據以及其它田間作業信息與rs數據之間的復合,確立解譯標志和劃分作業區; rs數據之間的復合,進行圖像增強,改善非監督分類效果; gis數據之間的復合,分析作業區作物結構、物候和耕作制度現狀,地圖拼接、特徵提取等。Majumdar envisions nanofluidic transistors that could rapidly sort the slew of molecules in cells by their mass and charge, thereby helping to purify dna for sequencing or look for markers of disease
馬強達希望,未來奈米流體電晶體可依照質量和電荷快速區分大量分子,進而協助篩選dna ,以便定序或尋找某種疾病的特徵。Qwy acid soluble temporary blocking agent is made of carefully chosen natural mineral material, which is processed into serial products of different grain - size distribution according the pore throat characteristics of different reservoirs. it can better match the pore throat along with the reservoir, and at the same time achieve better results of bridged temporary plugging as a result. 1
Qwy酸溶性暫堵劑是以天然礦物為主要原料經過篩選精製而成,在生產過程中根據各種儲層孔喉特徵,加工成具有不同粒度分佈的系列產品,使其與儲層具有更好的孔喉匹配性和更強的橋架暫堵效果。Thirteen putative epitopes showing characteristics of antigenic epitope were found from the analysis information. using pcr, the nucleotide acid fragments encoding these putative epitopes were amplified, then cloned into the expression vector miske. the positive recombinant phage displying the epitopes were found out by using pcr, sequencing and the determination of phage plaque titer
運用goldenkey分子生物學軟體對prrsvbj - 4結構蛋白的抗原表位及其二級結構進行了分析和比較,從中篩選13段顯示表位特徵的氨基酸殘基序列,用pcr技術擴增相應的核苷酸片段,將其插入到噬菌體表達載體m13ke ,結果預測的13個表位可在噬菌體表面得以展示。By combining the information from the cdna sequences with functions of their homologs, we suggest that two kinds of hormones may play important roles during flower regeneration in a few ways : ( i ) proteolytic system of ubiqutin / 26s proteosome complex, ( ii ) actin - dependent vesicular cycling of auxin efflux carrier, ( iii ) regulating transcription of genes, ( iv ) phosphorylation and dephosphorylation
經過進一步的篩選,結合序列特徵和同源基因的功能信息對這些基因功能進行了初步分析。認為兩種外源激素可能通過泛素26s蛋白酶體復合體對調節蛋白的降解機制,生長素運輸載體肌動蛋白依賴的小泡運輸,基因轉錄調節,磷酸化和去磷酸化等調節過程誘導風信子花分生組織的再生。Through rainfall simulating under laboratory, and making slice of sampling, the project researched in the soil crust development, and studied the dynamic rule of erosion factors which were raining and soil erosion factors during soil crust development. in the same time, the research was to find the critical condition of all factors in the process of soil crusting, and to filter the critical factor that could affect soil surface crust
本文採用人工模擬降雨方法,通過采樣製作土壤切片,觀察分析表土結皮在不同條件下發育的微形態特徵,研究降雨、土壤等侵蝕產沙因子在表土結皮發育過程中的動態響應規律,界定表土結皮發育過程中各因子的臨界條件,篩選有關土壤顆粒組成、結構特徵等物理化學性質對表土結皮形成影響的關鍵因子。Carbon black for rubber industry - secondary characteristics - part 3 : determination of sieve residue
橡膠業用炭黑.二級特徵.第3部分:篩余物的測定Firstly a routing problem among transistor groups is brought forward. by analyzing the property of optimized rectangle steiner tree, an algorithm of approximate rectangle steiner tree construction is proposed. according to the mutual exclusion relationship among the net ports in the dvcs, the strategy for choosing connection ports is advanced
論文首先提出了晶體管群之間的線網布線問題,通過分析優化矩形斯坦納樹的性質,提出了一種符合宏單元布局特徵的近似矩形斯坦納樹構造演算法,同時針對晶體管群dvc內引線端點間走線互斥關系,提出斯坦納樹可選端點篩選策略。分享友人