existence test 中文意思是什麼
existence test
解釋
存在測試-
Based on funds holding stocks sample and whole stocks sample, it uses cck adjusted model to test the existence of herd behavior of funds and that of the whole stock market. then, it inserts dummy variable dt in cck adjusted model to testify whether herd behavior of funds and that of the whole stock market are the same in scale to prove whether herd behavior of funds makes stock prices fluctuate in the whole stock market
本文主要採用實證研究的方法，首先運用cck校正模型，按基金持股樣本和股市整體樣本，分別檢驗基金羊群行為及股市整體羊群行為是否存在；其次，在cck校正模型的基礎上引入虛擬變量d _ t ，建立虛擬變量模型，以檢驗基金與股市整體羊群行為的顯著程度是否相同，從而證明基金羊群行為能否引起股市整體價格的波動。 -
In chapter3, we discuss the multiplicate progressive stresses accelerated life test. under the weibull distribution and an invers power law model we first present a necessary and sufficient condition for the existence and uniqueness of mle for the exponential distribution, then give estimators and confidence intervals of the parameters based on the blue. finally, we study them by using monte - carlo simulation
第三章首先指出了一組序進應力加速壽命試驗下weibull分佈分佈參數的mle不唯一，然後給出了p組序進應力加速壽命試驗下指數分佈的mle存在和唯一的一個充要條件，並用隨機模擬的方法研究比較了參數估計的優良性，最後給出了p組序進應力加速壽命試驗下weibull分佈中參數的點估計和區間估計，討論了有關問題，給出模擬實例。 -
In order to improve the electro - catalytic activity of platinum based catalyst to methanol oxidation, in this thesis, firstly prepare heteropoly acid modified pt / gc electrode with different concentration by cyclic voltammetry method, and then test the cyclic voltammetry curves individually in vitriolic and methanol solution. the study shows the best concentration for both phosphomolybdic acid and phosphotungstic acid is 1 10 ~ ( - 3 ) mol / l. and find the more heteropoly acid modified on electrode, the lower peak - up potential towards methanol because of the existence of oxygenous species
為了改善鉑基催化劑氧化甲醇的催化活性，本論文首先通過循環伏安掃描法制備了不同濃度磷鉬酸和磷鎢酸修飾的pt / gc電極，通過研究pt / gc電極在修飾前後在硫酸溶液中及含甲醇的硫酸溶液中的循環伏安行為發現，磷鉬酸和磷鎢酸均能在ptru / c電極上發生氧化還原反應，而且雜多酸修飾濃度對pt / gc電極氧化甲醇的催化活性有很大影響。 -
Then, the half - carbonated zone ( transition zone ) phenomenon is mentioned and verified by way of using xrd & tg, thus giving contradictor of the existence between the half - carbonated zone and the premise of phenolphthalein test method - no existing obvious transition zone between carbonated area and non - carbonated area
試驗結果證明：在混凝土碳化區和未碳化區之間存在著部分碳化區，而這一中間過渡區域的存在可能使得目前普遍採用的酚酞（ phenolphthalein ）試劑測定碳化深度的方法易產生誤差。 -
The pyrogen test is a method to test the existence of pyrogens by using rabbits
熱源質檢測是通過用兔子來檢測熱源質存在的方法。 -
Cricket, the most typically english of sports, has been in existence since the 16th century. on an international level, 5 - day cornhill test matches
板球，是英國人最典型的體育運動，自從16世紀以來已存在。國際比賽是5天的康希爾決賽。 -
Lowballing strategy and non - audit services : the test of knowledge reciprocal spillover ’ s existence. 2. does the scale of accounting firm influence the order of non - audit services : compare the knowledge reciprocal spillover in “ big eight ” and “ the non - big eight ”
范圍經濟表現在兩個方面:一是知識溢出，是指兩種或多種不同服務間因信息共用和資格共享所帶來的成本節約。 -
Therefore for those small - sized projects not justifying existence of such sub - committee, its function is still required but is to be achieved through discussion meeting between project team and user representatives. 1. 2 independent test group
因此，小規模的計劃，毋須為此設立測試控制小組委員會，但它的功能仍是必須的，並可透過計劃推行小組及用戶的代表進行磋商達致。 -
These abnormal limbs are not functional, but their existence demonstrates that genetic mistakes can produce complex structures, which natural selection can then test for possible uses
這些不正常的附肢沒有功能，但是它們證明了基因錯誤可能製造復雜的結構，至於它們的可能用途，就看天擇了。 -
Aim at high pressure high temperature well practice engineering question in field development engineering, especially cnpc southwest oil gas branch gas recovery academy project ' s concretion demand, based upon in existence measuring and testing techniques foundation, the dissertation produce a sort of new optical fiber downhole high pressure high temperature test system, and finish downhole fibre optic pressure sensor ' s design
本文針對油氣田開發工程中高溫高壓井的實際工程問題，特別是cnpc西南油氣田分公司采氣工程研究院科研項目的具體要求，在分析研究現代測試技術基礎上，提出一種新型的光纖式井下高溫高壓測試系統，並主要完成了井下光纖壓力傳感器的設計。 -
Some comprehensive test methods for avionics display and control subsystem both in the past and in existence are analyzed and explored in this paper, and application of vxi test platform to avionics display and control subsystem test in the future is discussed
對過去和現有的航電顯示控制分系統的綜合測試方法進行了分析和研究;探討了vxi測試平臺在今後航電顯示控制分系統測試中的應用。 -
Validation rules test for the existence of content
驗證規則測試內容是否存在。 -
When injecting samples, chromatographic column should be completely flushed and balanced with mobile phase ; if the system applicability is not up to regulation, or if filling agents are damaged, replace with new similar chromatographic column for analysis ; if operation according to procedures can not reach scheduled separation due to existence of certain difference between degree of bond of chemically bonded - phase of similar filling agents and performance, another brand of similar chromatographic column can be used for test
3進樣前，色譜柱應用流動相充分沖洗平衡，如系統適用性並不符合規定，或填充劑已損壞，則應更換新的同類色譜柱進行分析，由於同類填充劑的化學鍵合相的鍵合度及性能等存在一定差異，往往依法操作達不到預定的分離時，可更換另一牌號的同類色譜柱進行試驗。 -
In recent years, because of the large - scale economy construction, the existence condition of the traditional dwelling faces a rigorous test. however, the study on traditional dwelling ’ s development condition is so unequal in different area, that the investigation of the traditional dwelling ’ s type is very ignorant, as a result usually results in some traditional dwelling ’ s type ca n ' t be known in time, and carry on studying systematically, this will influence most to investigation and research of national dwelling buildings constitute system, this thesis research is under this background to start
近年來，由於大規模的經濟建設，傳統民居的生存狀況面臨嚴峻考驗，但由於各地區在民居研究領域的發展狀況的不平衡，對民居類型的考察工作相對滯后，也就因而常常造成一些類型的民居不能夠被及時地發現和進行系統地研究，這將極大地影響到對我國區域民居建築構成體系的考察和研究，本次論文研究就是在這樣的背景下開始的。 -
In the third section three different forms of heteroscedasticity are used in the random simulation and then park test, glejser test and goldfeld - quandt test are compared although the existence of heteroscedasticity does not destroy the unbiasedness of the ols estimators, the variances become larger
異方差的存在雖然並不破壞普通最小二乘估計量的無偏性，但是估計量的方差變大了。由於估計量方差的變大，就使通常假設檢驗的值不可靠。 -
The paper make certain the main work items and the relation of sequence preference. according to agricultural demand and the agricultural machinery in existence, it optimiz and equipping the agricultural machinery of zhengzhi village in term of main work items by the methods of expert recommendation and test and antitheses. at last, on the basis of optimizing and equipping, it bring out the model of rice mechanization and industrialization of zhengzhi village. this thesis comprehensively appraises the model, the conclusion is that favorable economic and social benefits can be received by setting up agricultural machinery joint share company
全文分以下幾個部分：首先，對政治村農業生產系統進行了環境辯識和問題診斷，明確了該村農業系統發展的優勢和基本問題，為農業產業結構調整指明了方向；其次，分析了該村水稻生產的工藝過程，確定了主要作業項目及優序關系，並根據農藝要求及該村現有的農業機械，運用試驗對比法和專家推薦法對政治村的農業機械按主要作業項目進行優化配備；最後，在優化配備的基礎上，提出了政治村水稻機械化產業化經營的模式，並對該經營模式進行了系統的綜合評價，得出結論：組建農機股份作業公司可獲得良好的經濟效益和社會效益。 -
This thesis discussed approaches of fault diagnosis based on the sensitivity analysis which is a new test method of analog circuits. main objects are described as follows : first, there exists a problem which the existence of solutions can not intuitively be predicted by choosing test frequency in the first - order sensitivity method on fault diagnosis
在此理論基礎上，本文從以下兩個方面進行嘗試:首先，一階靈敏度故障診斷方法存在這樣一個問題，即測試頻率的選擇不能直觀地對故障診斷方程解的存在性進行預分析。 -
Test mental is not only a sharing structure, but also a lasting process. the overall and systematic researches on the test mental acting in difference stage have never appeared, which start from lasting time, sharing consciousness and test situation. based on the existence studies, by using document analyses, adopting scales, path analyses, factor analyses, experience verify, experiment verify, this study explores the test mental action process ; the connotation, structure, function and developmental principle of test mental quality ; the possibility, actuality and efficiency of educational experiment
本研究採用文獻研究法、問卷調查法、路徑分析法、因素分析法、經驗實證法與實驗驗證法等研究方法，在借鑒國內外已有研究成果的基礎上，從揭示中學生考試心理問題的發展現狀出發，系統考察考試心理活動過程揭示考試心理素質的內涵、結構、功能及其發展規律；探討運用心理素質教育實驗解決其考試心理問題進而促進學生考試心理素質發展的可能性、現實性和有效性。 -
You can ' t develop many test suites that will have a low enough maintenance cost to justify their existence over the life of the project without clear and realistic planning
不能在缺乏明晰且實際的計劃的情況下，開發很多沒有足夠可維護性開銷來證明在項目生命周期中的存在性的測試套件。 -
It is used to distinguish reaction process of converter vanadium because presently, a mature and dependable mathematic model is still not in existence, which can control and guild converter vanadium process how to operate. according to test data from laboratory before distilling vanadium, the model in practice is used to predict how to control operation for ensuring effect of distilling vanadium and quality of middle - stage - steeling. after adopting the model, the goal of " distilling vanadium and simultaneously reserve carbon " is realized successfully
針對目前國內外還沒有一種成熟可靠的數學模型來對轉爐提釩過程如何操作進行控制和指導，用該演算法辨識轉爐提釩的反應過程；並且在實際生產運行中，根據提釩前的檢驗數據來預測提釩時應該怎樣進行操作才能保證良好的提釩效果和半鋼質量，從而達到工藝生產目標的實現。
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