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- In wind instruments the sound is produced by a vibrating air column. 管樂(lè )器的聲音是由振動(dòng)的氣柱產(chǎn)生的。
- A device in a brass wind instrument that permits change in pitch by a rapid varying of the air column in a tube. 活瓣在銅管樂(lè )器中通過(guò)在管中迅速改變氣流而完成音調的改變的一種裝置。
- The longer the pipe is, the longer the air column is, and consequently its inherent frequency and resonating frequency along with tone are low too. 管子長(cháng),空氣柱也長(cháng),其固有頻率和與噪聲共振的頻率亦低,聲調就低。
- Everything else being equal, a cold air column, because of its higher air density, is heavier than a warm air column and thus produces a higher air pressure. 在一般相同情況下,冷空氣柱因其密度較高,會(huì )比暖空氣柱重,因而產(chǎn)生氣壓較大。
- Because of inertia, though, the air column continues to move up, leaving a partial vacuum in and above the glottis that acts to slam the folds more strongly together. 不過(guò)因為惰性的關(guān)系,空氣柱還持續往上移動(dòng),使得聲門(mén)及其上方形成半真空狀態(tài),這讓聲帶閉得更緊。
- Silica gel column separation method and spectrophotography were used to determine the content of urson in the preparation. 采用硅膠柱分離分光光度法,對制劑中所含熊果酸成分進(jìn)行含量測定,結果含量測定的標準品線(xiàn)性關(guān)系好,檢測數據穩定。
- English: The item spacing decides the distance (in pixels) between the items and anything else: the view borders, other items or column separators. 條目間隔決定了條目之間以及條目和其它部件,比如視圖邊框、其它條目或者欄分隔線(xiàn)之間的距離(以像素點(diǎn)數計)。
- The name and definition of the table columns separated by commas. 指定表中列的名字和定義,列之間用逗號分隔。
- The principle of EPC has been introduced herein, and its application whereto sample injection and column separation was demonstrated on the analysis of pesticides by GC/MS. 文章敘述了電子壓力控制技術(shù)在氣相色譜中應用的基本原理,并以農藥樣品分析為例介紹了它在進(jìn)樣和柱分離時(shí)的作用。
- The air in the garden was warm and fragrant. 花園里的空氣一片溫馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- For the 2D photonic crystal (2D PhC) microcavity, a triangular array of air columns was adopted.The lattice constant and air columns radius are 1137nm and 456nm, respectively. 中文摘要本論文主旨在利用電子束微影術(shù),完成邊射型雷射、二維光子晶體微共振腔以及用來(lái)量測量子點(diǎn)之金屬奈米電極之研制。
- In addition, we reduced the air columns around the cavity and simulated the photonic bandgap and fabricated the devices by E-beam lithography and deep dry etching process. 未來(lái)將會(huì )對共振腔的幾何形狀做修正來(lái)符合光傳播時(shí)的場(chǎng)型,并以此設計做出元件并加以量測。
- By using a non-polar column separation, the equilibrium conditions for the determination of residual solvents in edible vegetable oils by headspace gas chromatography (HSGC) have been developed. 在采用非極性色譜柱對溶劑組分進(jìn)行分離的基礎上,對食用植物油殘留溶劑頂空分析的相平衡條件進(jìn)行研究。
- The lack of air in the room make everyone sniffle. 屋子里空氣缺乏,使得每個(gè)人都頻頻吸氣。
- During the intermission, let's go out for some fresh air. 幕間休息時(shí),我們出去呼吸呼吸新鮮空氣吧。
- The air held a foretaste of a storm. 天氣有要括大風(fēng)的跡象。
- The air was reeking with the smell of tobacco. 空氣中彌漫著(zhù)煙草的氣味。
- A walk in the fresh air will pep me up. 我在空氣新鮮的地方散步就感到精神飽滿(mǎn)。
- He served one month with the Air Army in Kuwait. 他在科威特的空軍里服役1個(gè)月。