period element 中文意思是什麼

period element 解釋

  • period : n 1 時代；期；時期；期間；階段。2 〈the period〉現代，當代。3 周期；【地質學；地理學】紀。4 終結...
  • element : n 1 要素；成分；（構成）部分；分子。2 【化學】元素；【數學】元，素；【機械工程】單元；單體；【無...
  1. A vertical element marking the crossing on the exterior of churches, beginning with the carolingian period and thereafter

    一種表現教堂外立面交叉特徵的垂直方向上的要素，自卡洛林王朝時代開始運用。
  2. Through a great deal of chemical element collections and in many ways of argument, the chemical element ( the famous spot historic monument and special product etc. in hangzhou ) that affirms the one has already can ' t represent hangzhou of now, but define deep hangzhou of the cultural bottom 蘊 with other more modern signs again much superficial with the 驕躁, and " 杭 " navigation, mean hangzhou only, in no way its idea, is because of " last years of the period of 禹, cruise the meeting 稽 to go to this, give up the sail debarkation, is a 杭, start to see in the writing ", so in addition to " 杭 " word, the manifestation of other one contents can ' t explain the whole hangzhou

    經大量的元素收集及多方的論證，認定單一的元素（杭州的名勝古跡及特產等）已不能代表如今的杭州，而用其他更現代的符號來定義文化底蘊深厚的杭州又多顯浮華與驕躁，且「杭」通航，只意為杭州，絕無它意，是因「禹末年，巡會稽至此，舍航登陸，乃名杭，始見于文字」 ，因此除「杭」字外，其他單一內涵的表現形式無法詮釋整個杭州。
  3. Through my period in office not a single request came forward from either the civilian or the military element of the pentagon to change the mix of our forces.

    在我整個任職期間，無論五角大樓的文職人員還是軍事人員都沒有提過任何一條改變我們力量構成的要求。
  4. With the rapid development of the semiconductor technology, large of the vacuum electronic device has replaced by the semiconductor element from the middle period of the last century. however, the vacuum electronic device owns tremendous prepotency in the exceed - high frequency and wide frequency band and high power field, especially in the exceed - high power field. the complexion won ’ t be changed for a long period

    自上世紀中後期開始，隨著半導體技術的飛速發展，許多真空電子器件逐步被半導體器件取代，但是，在超高頻、寬頻帶、大功率，尤其是超大功率領域，真空電子器件在技術和經濟方面至今仍擁有巨大的優勢，而且在今後相當長的時期內，這種局面也不會改變。
  5. From the middle - later period of the last century, with the rapid development of the semiconductor technology, large of the vacuum electronic device was replaced by the semiconductor element. however, the vacuum electronic device owns tremendous prepotency in the exceed - high frequency and high power field. this complexion won ’ t be changed for a long period

    自上世紀中後期開始，隨著半導體技術的飛速發展，許多真空電子器件逐步被其取代，但是，在超高頻、寬頻帶、大功率，尤其是超大功率領域，真空電子器件在技術和經濟方面至今仍擁有巨大的優勢，而且在今後相當長的時期內，這種局面也不會改變。
  6. Systole is pressed and pressing of arteries and veins is rate of cardiovascular ill die in one ' s bed and complication occurence rate is the most important forecast an element, in this age group, pressing of arteries and veins increases is the mainest factor that assesses risk, but it is accompanied almost always have systole period high blood pressure

    收縮壓和脈壓是心血管病病死率和並發癥發生率的最重要的猜測因素，在此年齡組，脈壓增大是評估危險的最重要因素，但它幾乎總伴有收縮期高血壓。
  7. Through researching the rhythmic change regularity of ore texture and structure, mineral composition and content, rare element " s change feature and the exploding temperature of mineral inclusion, combining the theory of magmatic ore - forming, the forming process of panzhihua vanadic titano - magnetite deposit could be divided into four periods : rock - forming period, main ore - forming period, hydrothermal period and surficial processing period

    通過對礦石組構、礦物成分及含量、稀土元素變化特徵、礦物包裹體爆裂溫度的韻律式變化規律的研究，結合巖漿成礦理論，將攀枝花釩鈦磁鐵礦礦床的形成過程劃分為四個期：成巖期、主成礦期、熱液期、表生期。
  8. In a given period which group has the element with the largest atomic radius

    在同一周其中，哪一族的元素原子半徑最大
  9. Our results show that, during the evolution of a binary system, the system widens as it loses mass, and the orbital period increase, while orbital eccentricity remains nearly constant, which can explain the distribution regulation of orbital elements of normal g - k giant and barium stars and the distribution character of the heavy - element abundances of barium stars

    計算結果表明，隨著星風吸積過程的進行，在星風質量損失階段系統軌道半長軸將增大，導致軌道周期增大，而偏心率變化不大，由此可以解釋普通紅巨星雙星系統和鋇星系統的軌道根數的分佈規律和變化情況以及鋇星重元素豐度分佈特徵。
  10. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異，因此表現為比普通混凝土更為較高的耐久性要求；負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能，才能夠滿足工程實際應用的要求，這也是負溫混凝土必須解決的兩大技術關鍵；通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討，採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線，通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ；並在此基礎上配製不同等級負溫高性能混凝土，開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究；通過對fd - 1組分和摻量的調整，優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。
  11. During the study period, students can enjoy full campus facilities and hostel accommodation to experience the hostel life as a major element of the liberal arts education

    學生可修讀最多兩個學科。修讀課程期間，學生可享用所有校園設施及入住學生宿舍，體驗博雅教育的舍堂生活。
  12. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。
  13. To improve the efficiency of assembly programming for microcontroller and to shorten the developing period, this article discussed the composition key element, function, characteristic and designing mentality of the developing platform of the mcu assembly language, also gave the basic procedure block diagram of the mathematical operation platform based on the view of the platform

    摘要為了提高單片機匯編語言程序的編程效率，縮短開發周期，從平臺模式的觀點出發，闡述了單片機匯編語言程序開發平臺的構成要素、功能和特點以及設計思路，並給出數學運算平臺的基本程序框圖。
  14. During the 3d finite element calculation, try to simulate different procedure of the construction ( like sunk well in - filling, main cable erection, box girder hoist, bridge flooring and opening to traffic ). and then, reveal the regulation of deformation and displacement on the foundation and soil during different period. after got these, this thesis put great attention on the analysis of the reason which cause the horizontal displacement of the cable saddle, as well as the regulation of the pressure ' s changing in the soil located on the front side of the sunk well foundation

    在三維有限元計算中，對不同工況（沉井充填、錨體澆築、主纜架設、箱梁吊裝、橋面鋪裝以及通車運營）下的施工過程作了模擬，全面揭示了各工況下錨碇沉井基礎與地基土的變形變位規律，著重分析了影響散索鞍水平位移的因素以及不同工況下沉井前測地基土水平向抗力變化規律，並提出了不同深度地基土水平向抗力與水平位移間的擬合關系。
  15. Based on the relative data of density flow in xiaolangdi reservoir in flood period of 2001, and through analyzing on water - sediment condition of density flow formed and movement element of density current, the common movement law and special phenomenon on forming, operating and discharging sediment of density flow in xiaolangdi reservoir have been clarified in this paper. the relationship of sediment transport of density flow has been explored combining with theory analysis and formula deduction

    本文主要依據2001年洪水期小浪底水庫異重流的有關資料，通過對形成異重流的水沙條件、異重流運動要素的分析，闡明了小浪底異重流的形成、運行和排沙等方面的一般運動規律和特殊現象，結合理論分析和公式推導，探討了異重流輸沙關系。
  16. Besides, scan rate and cycle period also affect the result ; co - deposition of dualistic oxide is a focus of research, as an element in the same group, ir is selected. deposition rate of composition is decreased by the adding of ir composition, and when the proportion of ir exceeded 50 %, composition procession can be ceased. but cooperation of ir and ru oxide can highly increase the specific capacitance of active material ; annealing treatment under a certain temperature can help to change the hydrate ru composition into mixture state ru oxide, accordingly increase the stabilization of active material

    研究表明:電解液的配製過程中，氯化釕濃度、溶液ph值、陳化時間、溶液溫度對電鍍效果均有影響，其中溶液ph值是最主要的影響因素;在儀器的使用條件探索中，理論結合實驗確定了本電鍍液體系循環伏安電勢窗的理想范圍，並發現循環伏安掃描速度和掃描周期對電鍍結果也有較大影響;混合氧化物的共沉澱是目前研究熱點，在此選用與釕同一族的銥作為共沉澱元素，銥的加入會阻礙氧化物的沉積速度，銥的比例超過50 %會使沉積作用停止，但是二元氧化物的協同作用使沉積的活性物質比容量大大提高;一定溫度下退火后處理作用會使水合釕化物轉變成混合價態的氧化釕，從而提高活性物質的穩定性。
  17. The construction of the bridge began in oct 1999, and the closing up of the steel tube was in dec 2000. during that period, i learned and analyzed the current construction methods fairly comprehensively, and collected the construction technique data of the cfst arch bridges having been built. based on this, aided by the simulation of construction procedure using finite element program, i proposed the operation program to make the steel tube segment be located at one time, and the scheme of dividing rooms to segment pouring

    大橋於99年10月開工， 2000年12月主橋鋼管合龍，在此期間，本人就目前鋼管混凝土拱橋的施工方法進行了較全面的了解和分析，搜集了此類已建橋梁的施工技術資料，在此基礎上，又藉助有限元程序對施工過程模擬計算的支持，提出了在梅溪河大橋懸臂安裝過程中，鋼管節段一次就位的操作程序和鋼管混凝土分倉灌築的方案，並為施工單位采納應用。
  18. When the element studied lost the stability during the elastic - plastic period, the stability balance equation turn to the special coefficient differential equation, and the analytic value cannot be got

    當所研究構件是在彈塑性階段失穩時，穩定平衡微分方程變成非常系數微分方程，而無法求得其解析解。
  19. Laborer from begin to contact the element that cause cancer to arrive producing cancer is process of a long period, and contact sometimes discontinuous, type of work is changed or emeritus cancer patient regular meeting ignores the factor causing cancer of the contact in past profession

    勞動者從開始接觸致癌因素到發生癌癥是一個長時期過程，而且接觸有時不連續的，工種改變或退休的癌癥患者常會忽視過去職業中接觸的致癌因素。
  20. Calculation of scattering cross section of the electron and the second period element atom

    低能電子與第二周期元素原子碰撞截面的理論計算
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