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- In this way, the different grades of acetonitrile and methanol were tested to show the feasibility with which they are applied in gradient elution. 按照此法，對國產(chǎn)不同等級的乙腈和甲醇進(jìn)行了測試，指明這些試劑用于梯度洗脫的可能性。
- Percentage of network bandwidth in use on this network segment. 在網(wǎng)絡(luò )這一段上處于使用的網(wǎng)絡(luò )帶寬的百分比。
- METHODS Gradient elution HPLC was used to analyze the alcohol extracts of Radix Salviae Miltiorrhizae. 方法采用梯度洗脫高效液相色譜法分析丹參乙醇提取物。
- The HPLC was subjected to gradient elution and negtive ion mode was adopted in mass spectrum. 高效液相色譜用梯度洗脫,質(zhì)譜用負離子模式。
- The extracted phenols were detected by an ODS column, gradient elution and programmable UV wavelength detector. 實(shí)驗以ODS柱為分離柱，采用梯度洗脫，可編程紫外檢測器進(jìn)行樣品檢測。
- The effective and active components in bamboo leaves were separated using gradient elution and column chromatography. 采用梯度洗脫及柱色譜法對竹葉中的有效活性成分重點(diǎn)為黃酮進(jìn)行了分離研究、提純。
- In order to get better resolution, a simple device which can produce gradient elution is designed. 為了達到更好的分離效果,我們參考文獻上有關(guān)于梯度沖堤的方法,設計出一個(gè)簡(jiǎn)單的裝置。
- A simple gradient elution device and a UV-Vis spectrophotometric detector for HPLC was de, signed. 設計了一種用于高效液相色譜分析的簡(jiǎn)易梯度洗提裝置及UV分光光度檢測器。
- Microcystins were successfully separated under isocratic and gradient elution,and the latter has better efficiency. 在等度及梯度洗脫條件下,三種毒素均被完全分離,梯度洗脫時(shí)峰形更好,檢測靈敏度較高。
- Gradient elution HPLC was used to analyze methanol extracts from white muscardine silkworm,and analyzed the data of their fingerprints by similarity. 采用梯度洗脫高效液相色譜法對獲取的指紋圖譜數據進(jìn)行相似度分析,建立了白僵蠶的指紋圖譜。
- METHODS Gradient elution method was used to determine the content of andrographolide and dehydroandrographolide in Qinghuo Zhimai tablets. 方法:用梯度洗脫法測定清火梔麥片中穿心蓮內酯和脫水穿心蓮內酯的含量。
- A novel method for the fast optimization of binary multi-step gradient elution in reversed phase-high performance liquid chromatography was proposed. 提出了一種反相高效液相色譜中二元多臺階梯度分離條件快速優(yōu)化方法。
- Dual linear gradient elution can be performed with two specially made glass container and a high pressure constant flow pump. 用兩個(gè)特制的玻璃容器及一臺平流泵即可實(shí)現二元線(xiàn)性梯度洗提。
- Gradient elution HPLC was used to analyze methanol extracts from white muscardine silkworm, and analyzed the data of their fingerprints by similarity. 采用梯度洗脫高效液相色譜法對獲取的指紋圖譜數據進(jìn)行相似度分析，建立了白僵蠶的指紋圖譜。
- But this approach has limitations.Since there is no inherent broadcast containment, the widespread propagation of broadcasts can waste precious bandwidth in large networks. 但這種方法也有局限性，由于沒(méi)有固有的廣播包容，所以廣播的廣泛傳播浪費了大網(wǎng)絡(luò )上的寶貴帶寬。
- Prevents users from sharing applications in true color. True color sharing uses more bandwidth in a conference. 防止在真彩色中共享應用程序。真彩色共享在會(huì )議中使用太多的帶寬。
- Objective:To study on chromatography fingerprint(CFP) of Huangqi herbs.Method: HPLC was used on a Hypersil ODS column with water-acetonitriles gradient elution. 應用高效液相色譜法研究了黃芪的指紋圖譜,并對毛蕊異黃酮、芒柄花素及黃芪甲苷進(jìn)行了含量測定。
- Because it is digital, XDSL can divide the total bandwidth in various ways, which in part accounts for all the flavors of XDSL. 由于是數字的，所以XDSL能夠以不同方法分隔整個(gè)帶寬，這是人們喜歡XDSL的部分原因。
- This paper presents a method determining analytical and process bandwidth in load identification. 本文研究在載荷識別中確定載荷的分析處理頻帶寬度的方法。
- Shim-pack VP-ODS is used as column, ACN: EtOAc(21:3, V/V) as mobile B, and aqueous acetic acid (50:1,V/V) as mobile A, linear gradient elution is adopted. 流動(dòng)相A為2%25醋酸(HAc)，流動(dòng)相B為乙腈(ACN)； 乙酸乙酯(EtOAc)=21：3(v/v)，梯度洗脫；
