sample characteristic 中文意思是什麼

sample characteristic 解釋
樣品特徵
  • sample : n 1 樣品,貨樣。2 標本;榜樣,實例。3 【統計】典型取樣,抽檢查。4 【電訊】信號瞬時值。5 【冶金】 ...
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Static mathematic model of drum accommodation and control is presented, and instruction model control strategy of sample intervals is presented based on differences between characteristic equations of lifting frame and characteristic equations of top and bottom board change among the sampling spots, the rules of this method are few, simple, easy to operate and meet controlling demands

    給出了滾筒調控靜態數學模型,並根據調高機構的調控特徵方程與采樣點間頂底板變化特徵方程的差異,給出了在其采樣區間內的指令式控制策略,其方法的規則條日少、簡單易運算、符合實際控制要求。
  3. To study the determination of sulfite in food by pararosaniline hydrochloric spectrophotometry, then according to the sample characteristic, the treatment select soak, ultrasonic and distill

    摘要通過對測定食品中亞硫酸鹽過程進行研究,根據樣品的特性不同對所採集的樣品採用浸泡、超聲和蒸餾三種前處理方法。
  4. The qualification of multipactor and the characteristic of the angle and velocity of secondary electron were study. bring forward a improved model of multipactor and solve it by a random sample made by monte carlo, as a result, a critical curve of multipactor was gained

    提出了一個改進型的次級電子倍增研究模型,利用蒙特卡羅法生成的隨機樣本來求解這個模型,得到了工作在2 . 85ghz的介質片的次級電子倍增敏感度曲線。
  5. Study on the characteristic of piezoceramic actuator is an important step in the studying of undamaged - inspection process based on piezoceramic actuator technology. this thesis firstly dwells on the sample model of piezoceramic actuator under the restriction of concrete. through theory and experimentation analysis, we arrives at a conclusion that the vibration behavior of piezoceramic actuator belongs to that of the thin plate

    本文著重研究了在混凝土約束條件下壓電陶瓷片的樣本模型,在此基礎上通過理論探討和實驗現象分析,認為埋置於混凝土中的壓電陶瓷片是符合彈性力學中克希霍夫有關薄板理論的假設,是屬于薄板振動問題,並確定了其邊界約束條件。
  6. This dissertation ' s problem just comes from this engineering background exactly. for this two kinds of cores, which were taken from the engineering place, this dissertation draws sample by computer and analyses the weight distributions, getting the weight curves, the middle weights, asymmetry coefficients and other physics characteristic indexes of them, and makes up the model samples which are similar to the factual weight distributions

    本文對施工現場採用的10 100kg和1 800kg重量范圍的堤心石進行了隨機抽樣和重量級配分析,得到了描述這兩種堤心石類別的重量級配曲線、中值重量、不均勻系數等物理特性指標,並由此制備重量級配相似的模型樣本。
  7. The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method

    本文具體內容安排如下:第一章介紹了信用、信用風險、信用評價的概念,回顧了信用評價的歷史、發展和現狀,並綜合各種信用評價模型,指出這些模型各自的優缺點:第二章簡單描述了人工智慧技術,著重介紹有關專家系統與神經網路的基礎知識,通過總結它們的優缺點,指出結合專家系統與神經網路構造混合型專家系統的必要性;本章還介紹了神經網路子模塊的概念,提出了混合型專家系統的一般框架與設計步驟:第三章對樣本數據進行處理,包括異常數據的剔除、因子分析等,提出了信用評價混合型專家系統的具體框架結構,介紹了系統知識庫的主要部分、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法;第四章介紹了面向對象技術,進而採用面向對象對信用評價系統進行分析,建立了對象模型和功能模型,並在此基礎上,採用c + +語言以規則類為例說明系統中具體類的實現,用偽代碼的形式描述了推理的演算法;第五章描述了整個系統的結構,對系統主要功能模塊和界面進行了介紹,並總結系統的特點;第六章總結了全文,指出本文所構造系統存在的不足以及對將來的展望。
  8. The improvement of image characteristic obtaining at real time satisfies the application and supports the adaptive gamut mapping. the sampling and visualization of sample set in different color space show the optic difference and give the error analysis of the color conversion between them. based on the study of the color relation among the color spaces, the visualizing color can be created automatically with conversion formulas

    針對當前色彩管理研究缺乏可視化支持的現狀,本文在研究相關理論和技術的基礎上,將可視化技術應用於色彩管理,為其提供模型支持和可視化環境,形成了一套較完整的色彩管理可視化工具。
  9. Please indicate the type, model, angle of the valve and technical parameter ( using temperature, working condition of equipment and characteristic of medium etc ) referring to the product sample when you place an order

    選用訂貨時,請參照產品樣本註明產品規格、型號、溜子角度、技術參數(使用溫度、設備工況、介質性質等) 。
  10. Baseing on the request of low coercivity and high squareness in application, we had confirmed the main formulation of the lizn ferrite ; during the study of the conventional ceramic process, with the main formula foundation, we mainly studied the influence of ti4 +, co3 + on lowering coercivity and bi2o3, v2o5 on lowering sinter temperature. the results showed bi2o3 good characteristic on lowering sinter temperature and the sample which mixed with 1 % bi2o3 could reduce 40 % coercivity through slowing heating rate and extending the holding time

    在氧化物陶瓷工藝技術研究中,按實際應用中低矯頑力、高矩形比的要求,確定了lizn鐵氧體的主配方,在主配方基礎上進行了ti4 + 、 co3 +等離子對降低矯頑力的研究以及添加bi2o3 、 v2o5助熔劑對降低燒結溫度的研究,發現bi2o3具有優良的降低燒結溫度的特性,在添加bi2o3樣品燒結過程中,降低升溫速率,延長保溫時間可以降低40 %左右的矯頑力。
  11. That is firstly establishing the body characteristic image and character data - base of every breed at the newly - hatched silkworm stage by anatomical microscope and photography equipment, and then comparing the body characteristic of the silkworm breed to be identified with the corresponding characteristics of every breed having known in the data - base, and making a statistic deduction on the inspectional results in the light of probability distribution theory and sample deduction method

    不同蠶品種具有不同的蠶體顏色、斑紋、斑紋顏色和形狀、體型等形體特徵,這種形體特徵與4 、 5齡大蠶的形體特徵不同,據此發明了一種根據蟻蠶期形體特徵檢驗蠶種雜交率的方法。
  12. In connection with the difference and distribution characteristic of the samples in sample space rs based on dga, a new self - adapted weight fuzzy omean clustering model of fault diagnosis of the power transformer based on the potential function is proposed. meanwhile, from the aspect of geometry characteristic of fc - divided in s dimension sample space, a method is proposed for the purpose of getting an effective adjacent radius, adaptive cluster number c and original cluster center of x sample set. for the diagnosis sample x, the property measure and diagnosis rule are proposed, which under the condition of potential density function that determine c number of optimal fuzzy cluster p1

    根據以變壓器dga數據為特徵量的樣本空間各樣本差異特性以及樣本在空間r ~ s的分佈特性,首次提出了基於勢函數自適應加權的變壓器絕緣故障診斷的模糊c -均值聚類模型;同時,從s維樣本空間的f ~ c -劃分幾何特性出發,提出了一種求取樣本集的類勢有效鄰域半徑和自適應求取聚類數和聚類中心初值的方法;對一個待診斷樣本,設計了基於類勢密度函數意義下的屬性測度和診斷準則。
  13. Under the research of the characteristic of three classical analog filter with simulation software - matlab, this paper devised lowpass circuit that not only can keep the useful signal out of distortion but also benefits the following sample tache and filter tache

    用matlab分析了三種經典模擬濾波器的濾波性能,設計出了能保持有用信號不失真又有利於後面的采樣和數字濾波環節的低通電路。
  14. According to the characteristic that the measured blood serum sample ' s volume is very small, the reasonable transportation device is selected, the minim titration device and the driver circuits of transportation facility are designed

    根據被測血清樣本體積很小這一特點,合理選擇輸送設備,設計微量滴定裝置和輸送設備的驅動電路。
  15. By analyzing the part and fracture characteristic of sample, find the reason for this flaw is the choice of welding technology parameter is illogical ; welders don ' t grasp well the fibrin electrode ' s characteristics which distinguish with other low hydrogen electrodes, and usage isn ' t reasonable or operation isn ' t skilled

    通過分析試樣的取樣部位和刻槽錘斷試樣斷口的特點,發現產生缺陷的原因是焊接工藝參數選擇不合理;焊工未能很好地掌握纖維素焊條與其他低氫型焊條相區別的特性,運條不合理或操作手法不熟練。
  16. This paper combines the application and research of cellular manufacturing resource management system in high - efficient numerical control machining technique research of commission of science technology and industry for national defense and demonstration project research of chengdu aerocraft corporation, studies and practice the management of workshop ' s resource management which according to mrp hand jit " s thoughts and the characteristic of manufacturing execution system to meet advanced management concept ; have realized the computer - assisted management of the measuring tool, cutter, fixture and material in numerical control manufacturing center of chengdu aerocraft corporation, have introduced some manage method, concept and the management thought in production planning and controlling management, stock management and cost management ; makes the information of cost manage department, technology department and resource management department can be shared and integrated with each other, have guaranteed the production of numerical control manufacturing center of chengdu aerocraft corporation can go on by order ; this paper is taking the management of cutter as a sample, have studied the major working process and the realistic demand of resource management in the environment of numerical control ; have established systematic function model and information model with the method of idefo, idef1x ; under the support of intranet, with the method of joint application and development, combines advanced management theory and reality, using mature software development tool, this paper have developed the computer - aided manufacturing resource management software under the pattern of c / s

    本文結合國防科工委「高效數控加工技術研究?成飛示範工程」課題中單元化製造資源管理系統的研究與應用,從車間層開始圍繞製造資源計劃( mrp )和準時制生產( justintime ,簡稱jit )的需求並結合製造執行系統( manufacturingexecutionsystem )的特點對車間資源的管理作了一定的研究和探討,並付諸實踐,以適應先進的管理理念;實現了成飛數控加工中心刀具、量具、工裝、物料等製造資源的計算機輔助管理,介紹了一些計劃與調度管理、庫存管理、成本管理的管理思想、理念及方法,完成了與車間生產調度部門、工藝部門、經營管理部門的信息共享和集成,從製造資源的角度保證了成飛數控加工中心的生產能有序、受控的進行;對今後的車間層製造資源管理探索出了一條切實可行的解決途徑。本文以刀具管理為例,研究了高效數控環境下製造資源管理的現實需求及主要的工作流程;採用idefo 、 idef1x方法建立了系統的功能模型和信息模型;並在車間局域網的支持下,採用聯合應用開發( jad )方法(即程序開發人員與最終用戶共同開發系統) ,以先進的管理理論為指導,結合生產現場的實際情況,利用成熟的軟體開發工具開發了c s模式下的計算機輔助製造資源管理系統軟體。
  17. According to the operating and fault characteristic of the pulverizing system, the general frame of fault diagnosis system for pulverizing system is presented firstly, then sample compiling module 、 fault style updating module 、 condition monitoring and dealing module 、 fault diagnosis and explaining module 、 data querying and analyzing module etc are established. meanwhile this system is programmed with delphi5. 0 and its interface is easy for operating

    作者首先根據制粉系統運行特性及故障特點,提出了制粉系統故障診斷系統總體框架,然後建立了制粉系統故障診斷知識庫,開發了樣本編輯、故障類型更新、 bp神經網路、監測參數處理、故障診斷及解釋、數據查詢及分析等功能模塊,且採用delphi5 . 0編制了系統程序,設計了良好的人機界面。
  18. Abstract : the sample breakdown point of a test is defined as the smallest proportion of arbitrary outlier in the sample that reverses the test decision. in this paper, wegive the sample breakdown point of a test for maximum likelihood estimate of exponential distribution parameter and analyze the asymptotically normal characteristic of the sample breakdown point

    文摘:如何量化一種統計方法對異常值的不敏感性一直是穩健統計研究的一個重要課題.檢驗的樣本崩潰點是樣本中能逆轉判決的離群值的最小比例.在研究相關文獻的基礎上,計算出指數分佈參數極大似然估計檢驗的樣本崩潰點,並分析了樣本崩潰點的漸近正態性,為量化統計方法的穩健性提供了一種新的途徑
  19. This factory is domestic first develops the successful entire automatic tinfoil machine factory, has been through repeatedly five year above the manufacture experience, the best - selling each place and exports the hong - kong, macao and taiwan area, deeply new old customer welcome and high praise this machines and tools have the automaticity high, the labor saving, saves on materials, the operation is simple and so on the characteristic market prospect broad, sale broad, the profit is high is generally is ambitious to this project fast creates the rich public figure best to choose this factory reserve technical force is abundant, this machine inventor arrives personally the instruction, to the general customers implementation, guarantees the quality, guaranteed the post - sale service, guaranteed produces the qualified end product, and the correlation core production technology provides, until customer regular production. " idly hoped this, bases market ", wholeheartedly welcome everywhere men of insight to visit the discussion service, demands the sample

    本廠是國內第一家研製成功的全自動錫箔機的廠家,歷經五年以上的製造經驗,暢銷全國各地並出口港澳臺地區,深受新老客戶的歡迎及好評.該機具有自動化程度高,省工,省料,操作簡便等特點.市場前景廣闊,銷路廣,利潤高.是廣大有志於該項目快速創富的人士最佳選擇.本廠后備技術力量雄厚,此機開祖發明者親臨指導,對廣大客戶實行,保證質量,保證售後服務,保證生產出合格成品,及相關核心生產技術提供,直至顧客正常生產. "誠信為本,立足市場" ,竭誠歡迎海內外有識之士蒞臨洽談業務,索取樣品
  20. Observe the characteristic flame color of your sample and also any pertinent features of the color. ( does the color appear immediately when the sample is introduced into the flame

    觀察您的樣品所發出的火焰的顏色以及任何與這種顏色相關的特徵。
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