痕量成分 的英文怎麼說
中文拼音 [hénliángchéngfēn]
痕量成分
英文
trace component-
The house s allure is three - fold : first, its beauty and simple but elegant proportions ; second, it is large enough to confer status but, with just eight principal bedrooms and 36 acres of gardens and grounds, is still considered manageable ; third, its location in the heart of the cotswolds is extremely desirable
考古學家在修復后的花園的地表下發現了一些430年前的花園原貌痕跡，其中包括構成一座4英尺約合1 . 3米高的中心噴泉的碎石一座涼亭的地基殘留部分以及在花園施工初期用於測量方位的土層等。4. the principle of the experiment including the isdg method is introduced. and the effect of shape and distance of the indention on strain measurement is analyzed
4 ）介紹試驗設備的組成及試驗原理，通過理論推導和有限元數值模擬分析了拉伸試樣的凹痕標記對應變測量的影響，對isdg （ interferencestrain displacementgauge ）方法進行了深入的研究。Worn surfaces of sliding pairs were characterized by scanning electron microscopy ( sem ). chemical compositons on the worn surfaces were analyzed by energy dispersion x - ray analysis ( edax ), and profiles and suface roughness of the worn surfaces were measured by stylus profilmetry
用掃描電子顯微鏡（ sem ）對磨痕表面形貌進行了分析，用能量色散x射線分析（ edax ）對磨痕表面進行化學成分分析，並用表面輪廓儀測定了磨痕表面粗糙度和磨痕表面輪廓曲線。In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年，沉積物監測包括分析61種物理及化學參數，其中有粒子大小電化學勢有機污染促使沉積物缺氧，而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物，是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。Original planation surface has some features, for example, it appears in large area with low altitude, small gradient and taking a long formation period, etc. discrimination of planation surface is based on plotting and field investigation and by using statistical methods and " 3s " technique
原始的夷平面具有分佈面積較大（全流域范圍） 、坡度較小、高度較低、形成所需時間較長、有夷平作用的痕跡等特點。基於野外考察和室內作圖，可利用數學統計方法和「 3s 」技術進行夷平面的識別，這加強了夷平面研究的精確性、客觀性和定量性。Surface active agents. anionic active matter stable to acid hydrolysis. determination of trace amounts
表面活性劑.陰離子活性物質對酸水解的穩定性.痕量成分的測定As the automobile industry ’ s growing, more and more aluminum alloys have used in the manufacturing of automobile and aluminum alloys replaced parts of steel planks used in automobile parts which is one of the key resources for light weighting of automobiles. but as aluminum alloys have some limitation in forming such as crinkle, fracture and difficult for welding, the industrial scale of aluminum alloys is limited
隨著汽車產業的發展，鋁材在汽車上的用量迅速增加，鋁合金取代部分鋼材成形汽車零件已經成為解決汽車輕量化的關鍵手段之一，然而由於鋁合金在傳統的沖壓成形中會出現難以消除的裂痕和褶皺，以及深沖性能比較差、焊接難度高等特點，使得鋁合金的大規模運用受到限制。It finds extensive applications in science research, engineering design, trail analysis on the criminal investigation spot, online detection automatically, quality control, machine vision, medicine diagnosis and etc. this thesis analyzes and summarizes the domestic and international researchers ’ work about stereo vision, and then concentrates on the research on some key techniques of stereo vision, such as camera calibration, corner detection, 3 - d matching and 3 - d reconstruction
隨著科學技術和工業生產的發展，三維形面測量在現代工業及實際生產中起著越來越重要的作用，在科研、工程設計、刑事偵查現場痕跡分析、自動在線檢測、質量控制、機器視覺、醫學診斷等方面有著極其廣泛的應用前景。本文在分析和總結了當前國內外立體視覺研究工作的基礎上，針對其中的攝像機標定、角點檢測、立體匹配和三維重建四個關鍵技術部分開展研究，其主要成果如下: 1 .提出了一種改進的攝像機標定方法。What the practical problems is often gotten is a single variable time series which has a time interval of t, reflect by a lot of interactive physics factor, containing the mark of all variates participating in movement, traditional time series analysis is to analyse going from this array to the form directly it ' s time develops, one dimension analysis loses useful information, the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector, prop the geometry space of the state, show all dynamical information of system in phase space. the characteristic that just constructs again according to the phase space in this text, analyse the time series of responding, use the relevant knowledge of symbol dynamics and reconstruct phase space, put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis, so reach the correction of calculation mathematics model, make it accord with the actual systematic state
實際問題中常常得到的是一個時間間隔為t的單變量的時間序列，它是許多物理因子相互作用的綜合反映，蘊藏著參與運動的全部變量的痕跡，傳統的時序分析是直接從這個序列去形式地分析它的時間演變，一維分析必然喪失許多有用信息，相空間重構方法的特點是把一維標量數據構造成高維矢量，支起狀態的幾何空間，在相空間中展示系統全部動力信息。本文正是根據相空間重構的特點，對響應時間序列進行分析，利用符號動力學、重構相空間等方法，提出一種有理論依據的系統數學模型關聯度分析方法，從而達到修正計算數學模型，使其更符合實際系統狀態的目的。( 7 ) analyzed volatile chemical composition of two kind of herbs with hs - spme " gc - ms. the results are satisfactory, proving that adopting self - spme apparatus can be succeed in enrichment of volatility composition and used in the microanalysis of the volatile matter
（ 7 ）用自製裝置spme一一gc / ms分別對山奈和新鮮的劍麻鮮花香氣成分進行了剖析，效果令人滿意，說明採用自製的spme裝置可成功地富集揮發性成分，可用於痕量揮發物的分析。One fissure separated those who believe that economic growth is a positive environmental force that generates resources that can be invested in pollution control and resource conservation from those who see growth as inextricably linked to increased industrial activity, which creates pollution
一個裂痕分離了那些相信經濟增長是引起資源可能被投資在污染控制和資源保護，從那些依照與增加的工業活動密切關聯的成長，創造污染的正面環境力量。分享友人