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Jiaozhou bay receives great impact from human activities , and sustainable development of the bay ecosystem has become a major concern of both scientists and the local government . thus , a systematic investigation of the ecological factors and analysis of the data is obviously necessary for a better understanding of the ecosystem and subsequent measures . based on the diverse ecological data series collected by the jiaozhou bay ecosystem research station ( jers ) of the chinese ecosystem research network ( cern ) for the last decades , a multi - functioned data base , the “ jiaozhou bay eco - database “ , was constructed with mapbasic under gis software mapinfo4 . 0 本文首先針對膠州灣生態系統觀測站( jers )積累的大量歷史資料中存在的問題，根據生態學規律，對這些數據文件和其中的生態項目予以編碼編排，對不同時間、航次調查的站位進行邏輯處理，根據膠州灣生態數據所具有的空間屬性，運用mapbasic語言對地理信息系統軟件mapinfo進行二次開發，研制出了“膠州灣生態系統數據庫” 。
Jiaozhou bay receives great impact from human activities , and sustainable development of the bay ecosystem has become a major concern of both scientists and the local government . thus , a systematic investigation of the ecological factors and analysis of the data is obviously necessary for a better understanding of the ecosystem and subsequent measures . based on the diverse ecological data series collected by the jiaozhou bay ecosystem research station ( jers ) of the chinese ecosystem research network ( cern ) for the last decades , a multi - functioned data base , the “ jiaozhou bay eco - database “ , was constructed with mapbasic under gis software mapinfo4 . 0 本文首先針對膠州灣生態系統觀測站( jers )積累的大量歷史資料中存在的問題，根據生態學規律，對這些數據文件和其中的生態項目予以編碼編排，對不同時間、航次調查的站位進行邏輯處理，根據膠州灣生態數據所具有的空間屬性，運用mapbasic語言對地理信息系統軟件mapinfo進行二次開發，研制出了“膠州灣生態系統數據庫” 。
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The fourth chapter lists out partial amplitude of using the pwa method described in chapter four , then we use cern programs to calculate out and plot angular distributions and mass distribution , finally we compare the influence of different form factors . the fifth chapter adopts the same process of the third chapter to analysis the decay the last chapter summaries our work and prospects further studying fields based on this thesis 第四章利用第三章描述的方法對j ~ - ~ +衰變進行了分波分析，然后用cern程序庫中的蒙特卡羅模擬程序和paw軟件對各個分波振幅進行了數值計算和繪圖，在給出各種分波成分末態粒子不變質量分布和角分布的基礎上，分析了兩種形狀因子對不變質量分布的影響。
It takes advantages of modern computer to fit all the experimental information , hence a very powerful pwa method . in this thesis , we use this method to analysis hadrons japdecay model jap - > ( ptt - tr + and j p radioactive decay model based on the pwa amplitude , we received mass distribution of two outgoing pious and angle distribution of the outgoing particles using the cern program . finally we compared tow different form factors ( barrier factors and gauss factor ) wh ich were always used the calculating of pwa amplitude 本文采用這種分析方法給出的j強衰變j ~ - ~ +和j粒子輻射衰變j ~ - ~ +分波振幅公式，利用cern的蒙特卡羅模擬程序繪出了末態粒子的角分布和不變質量分布，對分波分析中常用的兩種動力學形狀因子(中心位壘因子和高斯壓低因子)進行了研究比較。
It is believed that eventually ve will reach sufficient temperature or baryon density to produce a new state of matter - quark gluon plasma ( qgp ) . the study of the pha . se transition from ordinary hadronic matter to qgp . and to further investigate the properties of qgp has been the major effects of these experiments at sps / cern 由于夸克膠子等離子體只在極短時間內存在，加上復雜的普通核物質存在效應的影響，同時而準確地測定qgp存在的各種信號，已成為目前和將來高能重離子實驗的研究方向。
Jiaozhou bay receives great impact from human activities , and sustainable development of the bay ecosystem has become a major concern of both scientists and the local government . thus , a systematic investigation of the ecological factors and analysis of the data is obviously necessary for a better understanding of the ecosystem and subsequent measures . based on the diverse ecological data series collected by the jiaozhou bay ecosystem research station ( jers ) of the chinese ecosystem research network ( cern ) for the last decades , a multi - functioned data base , the “ jiaozhou bay eco - database “ , was constructed with mapbasic under gis software mapinfo4 . 0 本文首先針對膠州灣生態系統觀測站( jers )積累的大量歷史資料中存在的問題，根據生態學規律，對這些數據文件和其中的生態項目予以編碼編排，對不同時間、航次調查的站位進行邏輯處理，根據膠州灣生態數據所具有的空間屬性，運用mapbasic語言對地理信息系統軟件mapinfo進行二次開發，研制出了“膠州灣生態系統數據庫” 。
He had gone there despite my plea that he should not come to receive me , an awe - stricken admirer of his since my own teenage days . then there was this humorous incident involving professor samuel ting of cern mit when he was in singapore to attend a physics conference in 1993 他是我從少年時期就崇拜的偶像,盡管我當時要求他別去接我,他還是去了。另一個有趣的故事是在1993年,當麻省理工學院的丁肇中教授來到新加坡參加物理會議的時候,有一名年輕的記者問了一個極“老套”
The beam - test of china pin diodes at the cern sps accelerator produced satisfactory results . in addition , we studied the pin punch - through effect , and obtained the pin punch - through data with 18cm long pb wo4 crystal at the electron beam energies higher than 20gev for the first time , and these data gave valuable information to alice / phos 在cern的sps加速器上的束流測試，得到比較滿意的結果；并對穿透效應做了實驗研究，首次獲得100gev粒子和20gev以上電子束的18厘米長pbwo4晶體探測器pin硅光管穿透效應實驗數據，為alice phos提供了有價值的參考資料。
In modern laboratories like cern or fermilab in illinois , physicists accelerate antiprotons or positrons produced by nuclear reactions to the speed of light and collide them with conventional particles to produce tiny starbursts of primordial energy , recreating forms of matter and energy unseen since the big bang 像cern現代實驗室或伊利諾斯州費米實驗室，物理學家加速核反應產生的反質子或正電子到光速，而且把它們同常態粒子碰撞產生自大爆炸以后從未見過的物質和能量再生形態的原始能量極小星光閃耀。
In science fiction , antimatter , with its perfect convertibility to energy , is the ultimate rocket fuel , but the cern scientists see their antihydrogen atoms as a ticket not across the galaxy but in effect to a different mathematical universe , in which positive is negative and left is right 在科幻小說中,反物質,由于其可完全轉變為能量,是終極火箭燃料,但是cern科學家除了不超出不同的數學宇宙的相互作用外認為他們的反氫原子不是一張銀河入場券,在宇宙里正就是負而左就是右。
The station was qualified as a open filed research station of cas in 1989 and became one of the leading stations of chinese ecosystem research network cern in 1992 . working on the ecosystem structure and function , global warming , biodiversity , long term ecosystem monitoring as well as sustainable pastoral animal production , the station has become a research , demonstration and extension center . geographic location 青藏高原自第三紀隆升成為世界最高的高原以來，就以它獨特的自然地理單元影響著歐亞大陸的大氣環流和各類生態系統的分布格局，以及高原特殊的生態系統結構功能與生物的生態適應和進化模式，引起國內外科學家的關注。
A nuclear dependence of the qt distributions , should also occur for high - mass pairs produced in nuclear drell - yan process . in 1987 , the na10 collaboration in cern present the first clear evidence for a nuclear dependence of the transverse momentum distribution of massive muon pairs produced in hadronic interactions 在高能強子反應中，末態強子的大橫動量分布具有明顯的核相關性，這種效應也應出現在高能核drell - yan過程的大質量輕子對產生過程中。
One of the big areas that s driven globus over the past three or four years have been these really large data - driven concerns as typified , for example , by the next - generation detector array at cern that will soon produce petabytes of data per year 在過去3 、 4年中，促進globus發展的一大領域是對大量數據驅動問題的關注，例如，以cern的下一代監測器陣列為代表，它每年將產生數千兆字節的數據。
In 1985 , conseil europeen pour la recherche nucleaire ( cern ) succeeded to collide heavy ions in super proton synchrotron ( sps ) for the first time , which extended the research field of nuclear physics to a new energy region 數據來自于cern sps emu01 ( emu12 )國際合作組。 1985年，歐洲核子研究中心( cern )的超級質子同步加速器( sps )首次進行重離子運行，開辟了核物理研究的一個新能區。
Gabriele veneziano , a theoretical physicist at cern , was the father of string theory in the late 1960s ? an accomplishment for which he received this year ' s heineman prize of the american physical society and the american institute of physics 維納齊亞諾是歐洲核子研究組織（ cern ）的理論物理學家，也是1960年代晚期的弦論之父；為此成就，他獲得今年美國物理學會與美國物理協會的海曼獎。
The speakers leaned heavily toward the theory side of the aisle , but an experimental device figured prominently in several talks : the large hadron collider ( lhc ) at cern , the european center for particle physics near geneva 演講者多著重于理論面，不過有具實驗儀器，卻在許多演講中?了舉足輕重的地位，那就是大強子對撞機（ lhc ）。
After working at the university of pisa in italy , at cern near geneva and at the international center for theoretical physics in trieste , he joined the physics faculty of new york university 在經歷了義大利比薩大學、日內瓦附近的歐洲核子研究組織（ cern ）以及義大利的港國際理論物理研究中心的工作后，德瓦利加入了美國紐約大學物理系。
The most recent delay came at the end of march , with the dramatic failure of a magnet assembly that had been supplied by cern ' s american counterpart , the fermi national accelerator laboratory ( fermilab ) near chicago 最近一次推延是在三月底，原因是磁鐵裝配嚴重失敗，而負責裝配的是位于芝加哥附近的美國同行費爾米國家加速器研究所。
Berners - lee is recognized as the creator of the world wide web while working for the cern laboratory in the early 1990s , the european center for nuclear research near geneva , switzerland 伯納爾斯李被公認為萬維網的發明者。 20世紀90年代初，他在瑞士日內瓦附近的歐洲粒子物理研究中心實驗室工作，那里是歐洲的核研究中心。

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