bpa 中文意思是什麼

bpa 解釋
邦維爾動力局
  1. Bpa is an important organic chemical material, is mainly used to produce various high molecular materials

    Bpa是重要的有機化工原料，主要用於製造多種高分子材料。
  2. With those purposes, the paper discusses the social and economic basis of auditory of circulations with systemically reviewing the origin, development and internationalization of abc and bpa. an analysis on the definition, significance and characteristics of auditory of circulations is also done with a full perspective on the current index systems and series of regulatory regime both on abc and bpa ( us abc and bpa international as the two optional samples ). furthermore, the author tries to find out a tentative solution on the issue of the system construction of auditory of periodicals " circulations with the analyses of the current social and economic situations, especially the development of the periodical industry and advertising industry in china at the beginning of 21st century

    本文對abc和bpa的起源、發展和國際化歷程做了系統考察，在此基礎上分析發行量認證體系存在和成長的社會經濟基礎；以美國發行量認證署（美國abc ）和bpa國際媒體認證公司（ bpainternational ）這兩個認證機構為樣本，對兩種認證體系的現行指標體系及具體管理制度等微觀層面作全面透視，分析發行量認證的內涵、意義和特徵；針對中國當前的社會經濟現狀，尤其是中國期刊產業和廣告業的發展格局進行剖析，解答中國要不要引入期刊發行量認證體系以及中國引入期刊發行量認證體系的初步解決方案這兩個問題。
  3. Solid materials handling and pneumatic conveying system packaged machinery and its equipment and valves are mainly used for conveying, material unloading, dedusting, metering, mixing, packing units in the processing units of the solid materials including powder, particles, powder mixtures and flakes of abs, ps, pe, pp, pom, san, pet, pc, pta, pvc, bpa, sap, as and pmma in the trades of petroleum, chemical industries, chemical fiber, dye, pharmacy, food, electronic, paper making, natural gas, power, environmental protection, metallurgy and etc. it is applicable for various pneumatic conveying systems and gravity flow conveying systems under the conditions of diluted - phase, densed - phase, high pressure, low pressure and vacuum pressure

    固體物料處理和輸送系統成套機械及其專用設備、閥門主要應用於石油、化工、化纖、染料、醫藥、食品、電子、造紙、天然氣、電力、環保、冶金等領域中固體物料（含abs 、 ps 、 pe 、 pp 、 pom 、 san 、 pet 、 pc 、 pta 、 pvc 、 bpa 、 sap等粉沫、顆粒物料、粉粒混合物、片狀）生產加工過程中輸送、卸料、除塵、計量、混合、包裝等工段使用，能適用於稀相、密相、高壓、低壓、負壓各種氣力輸送系統和重力流輸送系統。
  4. The model of fujian power grid and models of generators, excitation systems, governor systems and loads are established, the tested excitation system models of large hydro and thermal units, the model of wind turbine are established as well in this paper with pss / e, a new software imported from pti of u. s. a. recently. some key points are proposed on data convertion from psasp and bpa to pss / e. the transient and dynamic characteristics between separate excitation system and transformer - fed excitation ( self excitation ) system are compared with pss / e

    本文完成了pss e的福建省電力系統的基本框架以及發電機、勵磁系統、調速系統、負荷的數學模型和參數，實現了大型水、火電廠發電機組勵磁系統實測模型和風電機組的pss e建模，提出了pss e與bpa 、 psasp數據互轉的部分要點，比較了福建電力系統現有大型水、火電廠發電機組它勵與自並勵勵磁方式的動態和暫態性能的差別。
  5. Effects of the enviornmental estrogen - bpa on the cell cycle of mice spleen

    對小鼠脾細胞周期的影響
  6. Feature extraction through 2 - order polynomial fit of the descending part of the response curve made possible a timesaving measurement process. the performances of two pattern recognition algorithms, namely principal component analysis ( pca ) and linear discriminant analysis ( lda ) in practical problems were discussed. artificial neural network ( ann ) was utilized with back - propagation algorithm ( bpa ), and the combination of pca / lda with ann improved the identification performance of the system

    基於對模式識別系統的深入研究，提出了從響應階段數據提取特徵的方法，節省了測試所需時間；比較了主成分分析法（ principalcomponentanalysis ， pca ）與線性判別式法（ lineardiscriminantanalysis ， lda ）兩種模式識別方法在實際應用中的不同結果，分析了原因；設計了採用誤差反傳演算法back - propagationalgorithm ， bpa ）的前向人工神經網路（ artificialneuralnetwork ， ann ） ，並指出其應用中存在的問題，提出了改進建議；利用pca lda與ann相結合的方法改善了系統的識別性能。
  7. Bpa blanket purchase agreement

    一攬子采購協議
  8. The contaminant bisphenol - a ( bpa ) widely used to make many plastics found in food storage containers and dental products can hae long - term effects in female deelopment, according to a recent study by yale school of medicine researchers

    耶魯大學醫學院研究人員的一項最新研究表明，廣泛用於製造各種盛食品用的塑料製品和牙製品的污染物雙酚a （ bpa ）可能對女性發育有長期影響。
  9. Range migration algorithm ( rma ) and backprojector algorithm ( bpa ) are studied. a new experiment method, bi - static sar, to solve lfm radar range " dead " area as well as its imaging algorithm are presented. the feasibility of the experiment method is confirmed by excellent experiment results

    分析研究了波數域成像演算法和後向投影（ bp ）成像演算法；提出了便於軌道實驗的雙站uwbsar實驗方案和成像演算法，並成功應用於軌道uwbsar實驗系統；研究了用於成像處理的插值演算法及其實現方法；研究討論了uwbsar的特殊性。
  10. Multiple scientific studies have shown that bpa has no effect on the human reproductive or development system, and no carcinogenic effects

    多個科學研究表明，雙酚a對人類的生殖或發展系統沒有影響，且不會致癌。
  11. China petrochemical int l co., bpa serial oil soluble temporary blocking agent

    中石化石油化工出口產品-泥漿及泥漿材料
  12. In order to convert the data of north china network in 2000 into eurostag quickly and correctly, the paper finishes two aspects of preparing work. one is the analysis of the data of north china network in 2000 and classification of the data format and the models ; the other is the comparison of bpa and eurostag in the models " and parameters " definition. the rules of conversion between bpa and eurostag are found

    為了準確的將2000年華北電網數據轉入eurostag中，論文作了兩方面的準備工作：一方面對2000年華北電網數據進行了分析，將其中的數據格式、模型類別等進行了統計和分類；另一方面研究了該數據中bpa格式的元件模型、參數與eurostag定義的模型、參數之間的對應關系，找到了將兩者準確聯系起來的規則。
  13. Bpa changes the expression of key deelopmental genes that form the uterus

    雙酚a能改變形成子宮的關鍵發育基因的表達。
  14. All our publications have audited circulation records examined by bpa international, an authoritative audit company in the usa

    本社英文雜志的發行數量均經美國權威審計公司
  15. In these years, the demand to bpa in the world increases very fast. it is forecasted that the average growth rate of the consumption will be about 3 % every year

    近年來，國際上對bpa的需求增長迅速。預計在未來的幾年內，消費年均增長率3 %左右。
  16. If you wish to breed and register pedigree pigs you must be a member of the british pig association, you can find out much more about pigs by visiting the bpa website

    如果你想找到小豬的品種和它的家譜，那麼你必須英國豬場協會會員，你也可以上國際權威發行量認證機構網上去看以下。
  17. Suggestions to the selection of wind turbine types are also proposed. the power flow results of fujian power system with pss / e are agreed to those with bpa and psasp

    Pss e對福建電力系統潮流分析的結果與bpa和psasp一致，該軟體適用於福建電力系統的潮流和安全穩定分析，宜推廣應用。
  18. This paper compares the mathematical model of bpa ( chinese edition ) imported by electrical power research institute of china with eurostag developed by edf and tractebel of belgium. based on full appreciation of models and methods of both bpa and eurostag, the dynamic data transfer method is given

    本文針對2000年華北網的數據，對bpa與eurostag潮流計算和穩定計算的數學模型進行了比較，在充分理解了bpa和eurostag的使用方法和模型的基礎上，對兩種軟體的模型及參數的轉換進行了詳細的驗證。
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