With the progress of technology and developing of internet economy in the world, the broadband network becomes another hotspot in internet field when the foam of. com comes to almost nil. with the beginning of new thousand year, hot waves of the broad band surge throughout the country, sorts of investors come and make huge expenses in a constinuous stream to make a majority of marketing lot and lead up the position of broad band market. however, when the net circuity, which is based on huge numbers of cash, is facing the consumers, market really does not redound upon the investors inexpection
隨著技術的進步和網際網路經濟在全球范圍內的高速發展,寬帶網是繼? com "泡沫"破滅后網際網路產業的又一
熱點。新千年開始,全國各地各類投資商紛紛拆巨資"跑馬
圈地" ,以期在市場份額上搶占寬帶網市場領先地位,但是當這些"巨額現金'堆成'的網路線路面向用戶時,市場並沒有給投資商們預期的回報,寬帶網運營商不僅投資回收遙遙無期,還要繼續燒掉大量的現金去維持網路的正常運行,大批中小型寬帶網運營商苦苦支撐,有的甚至瀕臨破產。
( 3 ) on interannual timescale, the changes in the sh ferrel cell lead to the anti - phase variation of the subtropical high and the circumpolar low, i. e., the antarctic oscillation ( aao )
( 3 )南半球ferrel環流
圈的異常使繞極低壓帶和副
熱帶高壓帶的強度出現了反位相的變化特徵,即南極濤動。
But as the dictum goes : there is no point crying over spilled milk
是個
熱帶森林小島,繞島一
圈只需20分鐘
Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits
最後,綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料,得出如下結論:本區上地幔的物質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖;與中國東部以及華北地臺上地幔相比,研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵,局部熔融程度較高;上地幔存在橫向和縱向的不均一性,從西部的克里陽到喀拉喀什河和玉龍喀什河流域, al和lree富集程度呈下降趨勢,不同來源的相同礦物中主元素的含量差異較大;地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用;玄武巖漿的起源深度73km ;從幔源重砂礦物的溫壓估算結果,可以推斷出巖石
圈厚度可達204 . 9km ;綜合巖石
圈物質組成特徵、巖石
圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦物的化學成分,認為研究區具備了金剛石成礦地幔地質條件。
Ring - bohai economic circle, new hot spot for foreign investors
環渤海經濟
圈成吸引外資新
熱土
But not much of this theoretical revolution has yet spread beyond a circle of specialists and enthusiasts.
但是,這種理論革命基本上還沒有超出專家和
熱心者的
圈子。
Lifebuoy fanatical fans can make any actions
狂
熱的救生
圈愛好者能做出什麼舉動?
Introduction : lifebuoy fanatical fans can make any actions
狂
熱的救生
圈愛好者能做出什麼舉動?
Penguins arrive from the antarctic circle on ice floes that melt in the vicinity of brazil ' s shore and the birds wash up on rio beaches every winter
這些企鵝隨著南極
圈的浮冰漂到巴西海岸附近。每年冬季,它們都在里約
熱內盧的海灘邊玩水,許多企鵝因此被送往當地的動物園。
The crowd filed up the aisles : the aged and needy postmaster, who had seen better days ; the mayor and his wife - for they had a mayor there, among other unnecessaries ; the justice of the peace ; the widow douglass, fair, smart, and forty, a generous, good - hearted soul and well - to - do, her hill mansion the only palace in the town, and the most hospitable and much the most lavish in the matter of festivities that st. petersburg could boast ; the bent and venerable major and mrs. ward ; lawyer riverson, the new notable from a distance ; next the belle of the village, followed by a troop of lawn - clad and ribbon - decked young heart - breakers ; then all the young clerks in town in a body - for they had stood in the vestibule sucking their cane - heads, a circling wall of oiled and simpering admirers, till the last girl had run their gantlet ; and last of all came the model boy, willie mufferson, taking as heedful care of his mother as if she were cut glass
人們簇擁著順著過道往裡走:有上了年紀的貧苦的郵政局局長,他曾經是過過好日子的有鎮長和他的太太這地方竟然還有個鎮長,這和其他許多沒有必要的擺設一樣有治安法官有道格拉斯寡婦,她來歲,長得小巧而美麗,為人寬厚,慷慨大方而又心地善良,生活還算富裕,她山上的住宅是鎮上唯一漂亮講究的,可算得上殿堂,每逢節慶日,她可是聖彼德堡鎮上人們引以為榮的最
熱情好客最樂善好施的人有駝背的德高望重的華德少校和他的夫人還有維爾遜律師,一位遠道而來的新貴客。再下面就是鎮上的大美人,後面跟著一大幫穿細麻布衣服扎著緞帶的讓人害單相思病的年輕姑娘。跟在她們后里的是鎮上所有年輕的店員和職員,他們一涌而進原來他們是一群如癡如醉的愛慕者,開始都站在門廊里,嘬著自己的手指頭,圍在那兒站成一道墻似的,一直到最後一個姑娘走出他們的包圍
圈為止。
This phenomenon can be utilized for the location of flowing groundwater by applying geothermal methods.
這個現象可以利用來用地
熱方法
圈定流動的地下水。
Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin
通過對平莊盆地基礎地質資料、國內外大量地
熱地質資料的分析和野外地質調查、礦井實測地溫以及上升泉、斷層涌水的地球化學分析等工作基礎上,指出地處低地溫梯度背景區的平莊盆地地溫梯度異常是由於盆地基底隆起和坳陷引起傳導型大地
熱流再分配所致;運用州sys數值模擬了大地
熱流向地表傳導背景下的盆地地溫場,從而揭示了盆地基底(義縣組)頂界面地溫分佈特徵;闡明了盆地具有形成中低溫對流型地
熱系統所必需的導水斷裂、補給水源等的良好條件,中低溫對流型地
熱系統是地
熱勘查的主要對象;
圈定了平莊盆地北部朝陽溝?駱駝營子地
熱勘查遠景區。
Induction heated oil tempered spring wire is a kind of new technical material which has been developed since 1980s. it can be heated by means of eddy induced into itself through electromagnetic coil and this method is mainly used in surface quenching. with correct designing and reasonable current frequency, induction coil and heat treatment process selected, as well as plc controlling applied, the wire can be uniform heated along cross - sectional and longitudinal direction and can be quenched and tempered continuously
應加
熱油淬火-回火彈簧鋼絲,是二十世紀八十年代發展起來的新技術材料,在國外稱為itw induction heat oil tempered spring wire 。是通過線
圈電磁感應鋼絲本身產生的渦流進行加
熱,通常主要用於表面淬火。經正確設計,選擇電流頻率,合理的感應線
圈及
熱處理工藝,並實施plc控制,可使鋼絲整個截面及長度上得到均勻加
熱,進行連續整體淬火和回火。
The relations between relative measurementerror resulting from temperature and heat distensibility coefficient of coil ’ s framework andwindingcoilwerecarriedout. theinfluenceofelectromagnetisminterferenceontheaccuracyof rogowski coil, as well as the effect of temperature on integraph, were studied. somemeasures based on the above investigating results were proposed to insure the precision ofrogowski coil sensor head, such as the selection of materials and facture methods, improvment of technics and design of additional compensation
利用建立的rogowski線
圈的數學模型對溫度和外界干擾磁場的影響進行了分析,得出了溫度造成的相對誤差與線
圈骨架和繞組線
圈熱膨脹系數之間的關系;從兩個方向上分析了干擾磁場對線
圈精度的影響;分析了溫度對積分器的影響等。
Screw the two sections together making sure the filter and rubber gasket are in place. this is important to ensure a perfect seal
懸緊這兩部份螺旋?確保過濾網和橡膠
熱圈放到位。這對密封的完好性非常重要。
The kinetic equations for the qgp have been formed under the general frame of the statistical theory and its dynamic basic is the quantum chromodynamics ( qcd ), which the component particles of the system obey. they are widely used in investigating the properties of the qgp. there are two basic forms of the qgp kinetic theory : quantum kinetic theory and ( semi - ) classical kinetic theory
Qgp動力論的基本方程是以系統的成分粒子(夸克、反夸克和膠子)所服從的qcd為動力學基礎,按統計理論的一般框架建立起來的,現已廣泛應用於討論qgp的物性,並已證實在「硬熱圈」水平上動力論和溫度場論的結果是一致的,因而該理論得到普遍的承認。