npp 中文意思是什麼

npp 解釋
非植酸磷
  1. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下，當裝置穩態功率變化時，冷卻劑平均溫度與蒸汽壓都保持不變，與通常採用的冷卻劑平均溫度恆定運行方案相比，有效地改善了核動力裝置的總體運行性能，特別是在低負荷運行時，可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件，這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  2. Large urban areas consume 300 times the amount of npp generated locally, whereas in sparsely inhabited areas of the amazon, human appropriation is close to zero

    大城市的消耗量可以是其他地區的300倍，而在亞馬遜人煙稀少的地區，比率則趨近於零。
  3. Development of npp s fault diagnosis and alarm system

    核電廠故障檢測與報警系統的發展概況
  4. A lot of papers about the report of probabilistic risk assessment of daya bay npp and system manuals has been read by the author and let as the basis. in this paper, based on the reliability analysis methods of failure mode and effect analysis and failure tree analysis, according to the result of event tree analysis of probabilistic risk assessment report of daya bay npp, the top events of the fault trees of reactor protection system and the success criteria were established. by using risk - spectrum procedure, the unavailability and the minimal cut - sets ( mcs ) of the fault trees were obtained

    本文在閱讀了大量的大亞灣核電站pra報告和各種系統手冊等資料的基礎上，採用fmea （故障模式和影響分析）和fta （故障樹分析）可靠性分析方法，依據大亞灣核電站pra事件樹分析的結果，建立了以緊急停堆失效和專設安全設施驅動失效為頂事件的故障樹，利用risk - spectrum程序，對所建的故障樹進行定量分析，計算，得到系統故障樹的失效概率和最小割集，從而為大亞灣核電站可視化風險分析軟體提供數據支持。
  5. The simulated results of net primary production ( npp ) are similar to other ' s study. the annual, seasonal and daily change of npp can reflect the physiological characteristic of vegetation growing very well and has close relationship with climatological factors

    年npp的模擬結果與國內的一些其它類似研究結果接近， npp的模擬結果能較好地反映出植被生長的生理特點npp的月變化、日變化及年際變化對氣候因子有不同的響應。
  6. The reactor protection system reliability analysis of daya bay npp is an important branch of the probabilistic risk assessment project of daya bay nuclear power plant. the purpose of probabilistic risk assessment of reducing reactor trip is to discover all the signals and the components which can result in reactor trip potentially, to assess the safety and reliability of systematic design, to find the potential design drawbacks and take effective measures to reduce such events

    大亞灣核電站反應堆保護系統是大亞灣核電站pra項目的重要的一個分支，大亞灣核電站減少緊急停堆pra （概率安全分析）是要找出各種可能引起機組緊急停堆的信號和部件，評價系統設計的安全性和可靠性，找到可能存在的設計缺陷，採取有效的防範措施，減少此類事件。
  7. What fractions of npp are invested in allelochemic substances in different communities ?

    在不同的群落的NPP中究竟有多大部分投入他感化學物質？
  8. Chem - pure npp and npvdf valves are not usually specified with epdm diaphragms. however, they can be field fabricated by purchasing an epdm diaphragm for replacement in a ptfe trimmed valve

    在製造期間，閥體上的法蘭的隔膜密封表面可以進行特別的預制，以強化聚四氟乙烯隔膜的密封性能。對于配置橡膠隔膜的閥體並進行這道最後的工序。因此，聚四氟乙烯隔膜無法替換配置三元乙丙橡膠閥內件的閥門。
  9. Npp of harbin area is also discussed in the simulating of vegetation growth for die sake of contrast analyzing to mohe area

    為了對比分析，在植被生長試驗模擬中，也模擬了哈爾濱附近的凈初級生產力（ npp ） 。
  10. In growth season, computed daily npp has some negative correlation with precipitation and the monthly npp has apparently active correlation with monthly average air temperature. 5. the results of experiment in vegetation growing model show that co2 increasing and its resulting in climate change would make npp of deciduos needleleaf forest in the cold - temperate zone apparently higher

    5 ）對co _ 2濃度增加后以及可能產生的氣候變化對植被生長影響的模擬試驗結果表明，落葉針葉林的npp將可能會有明顯提高，但如果只是溫度增加，而降水保持不變的話，生產力水平提高不明顯甚至會出現下降。
  11. In one side, the study may make the simulating model of climatology and land - biosphere more perfect, in the other side, the study will help to discover the real action of vegetation in the global carbon circle, which gives the more scientific method to estimate accurately biomass and net primary production ( npp ) of ecosystem and how much carbon in atmosphere absorbed by vegetation, to predict the possible impact of global climate change on terrestrial ecosystems, and to make scientific strategies for the global change

    一方面可以為進一步建立更完善的模擬氣候與陸地生物圈之間關系的數值模式奠定基礎，另一方面可為探索植被在全球碳循環中的具體作用，正確地評估和預測全球氣候變化對生態環境的可能影響，制定相應的政策提供科學依據。本文以寒溫帶落葉針葉林區為重點來進行試驗模擬，研究植被對氣候強迫響應的有效途徑。
  12. He rejoined mckinsey as a senior adviser, and worked with the firm to start an organization called non - profit partners, llc ( npp )

    其後，他重返麥肯錫作為資深顧問，並與麥肯錫公司開展公益事業伴基金會。
  13. I ' m responsilole for technical and professional consultation of seismology in fearsibility study of liae and haiyang npp, and in preliminary feasibility study of yangjiang and lyyugang npp

    主持完成了嶺澳核電站，山東海陽核電廠可行性研究及陽江核電站、連雲港核電廠初步可行性研究中地震地質方面的技術咨詢及專業咨詢工作。
  14. Firstly, this dissertation estimated the size of carbon source ; sink and net carbon sink of farmland ecosystems in china costal regions ( including ten provinces ) with statistic data from 1981 to 2001, which include data of crop yield and agricultural consumptions. then analyzed the temporal - spatial differences of carbon source, sink and net carbon sink of china costal farmland ecosystems. secondly, estimated npp ( net primary productivity ) of farmland ecosystems in china costal regions with per month noaa - avhrr ndvi ( normalized difference vegetation index ) data and estimation model

    本文首先運用1981 - 2001年的統計資料（作物產量和各種途徑的農業投入數據） ，對沿海十省區農田生態系統碳源匯及凈碳匯進行了估算，並分析了其時空差異；然後運用1998年逐月ndvi數據通過建模對沿海地區農田生態系統npp進行了估算，並分析了npp分佈與農田生態系統碳吸收的相關性；最後通過對農田生態系統碳源匯的影響因素分析，提出了不同的農田生態系統碳增匯減排技術。
  15. In order to improve the safety arid reliability of nuclear power plant operation, many tech - modifications related to system or equipment have been completed since operation in qinshan npp

    摘要為了提高核電站運行的安全性和可靠性，秦山核電廠自運行以來對系統設備進行了多項技術改造。
  16. The spd model is made by the ins titute of geographical sciences and natural resources research of chinese academy of sciences. it combines social economic factors, such as city and transportation foundational facilities, with nature factors, for example the digital elevation model ( dem ) and net primary productivity ( npp ) of plants to simulate the spatial distribution of population density of china by the advanced grid generation technology

    中國模擬人口密度模型是由中國科學院地理科學與資源研究所首先提出的，這個模型試圖利用先進的格網生成技術，將城市、交通基礎設施等社會經濟因子和陸地數字高程（ dem ） 、陸地植被凈第一性生產力（ npp ）等自然因子相結合，通過模型的反演，模擬某一時期的中國人口密度空間分佈狀況。
  17. Npp is china ' s first venture philanthropy organization, bringing a more corporate financial model to the nonprofits that are increasingly filling the vacuum left behind by a shrinking welfare state

    公益事業伴基金會是中國第一家慈善創投基金，將跨國企業的管理模式帶到萎縮中的非營利組織，活化其組織運作。
  18. The reactor protection system reliability analysis is the indispensable branch of the model of probabilistic risk assessment of daya bay npp. the completion of this project will consummate the model of probabilistic risk assessment

    反應堆保護系統可靠性分析是大亞灣核電站的pra模型不可或缺的部分，該項工作的完成將使得pra模型更加完善。
  19. What fractions of npp are invested in allelochemic substances in different communities

    在不同的群落的npp中究竟有多大部分投入他感化學物質？
  20. Nonlinear programming problem, npp

    針對一般非線性規劃
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