beckmann 中文意思是什麼
beckmann
解釋
貝克曼-
Furbenicillin sodium, a known semi - synthetic ureide type of antibiotic firstly marketed in china, was synthesized from starting material 2 - furaldehyde via six steps including oximation reaction, beckmann rearrangement, isocyannuration, amination, condensation and salification etc
摘要以呋喃甲醛為起始原料，經厲化、貝克曼重排、異氰脲酸化、氨基化、縮合和成鹽6步反應，合成了酰脲類青霉素抗生素呋布西林鈉。 -
Bdt beckmann differential thermometer
貝克曼差示溫度計 -
Very large data bases, brighton, england, 1987, pp. 507 - 518. 26 beckmann n, kriegel h - p, schneider r, seeger b. the r - tree : an efficient and robust access method for points and rectangles. in proc
Iv在各種各樣的設置下利用合成的與真實的數據進行大量的實驗評估實驗結果表明本文提出的演算法在效率和擴展性上均大大勝過其它同類演算法。 -
Management data, boston, usa, 1984, pp. 47 - 54. 3 beckmann n, kriegel h - p, schneider r, seeger b. the r - tree : an efficient and robust access method for points and rectangles. in proc
對cdt索引來說，首先高維數據點通過k平均聚類演算法得到若干類，然後分別計算該點對應的始點與質心距離，並且將這兩個距離通過線性組合得到該點的復合索引鍵值。 -
Beckmann thermometers are designed to measure small temperature differences. hence the calibration of a beckmann thermometer refers to comparing the true temperature differences obtained from the laboratory s standard thermometers against the observed temperature differences indicated by scale readings of the unit under test
貝克曼溫度計是用於測量微細的溫差，因此本所將其標準溫度計所錄得的真正溫差與接受測試元件的標度讀數所顯示的觀察溫差進行對比，以校正貝克曼溫度計。 -
Verification regulation of beckmann thermometer
貝克曼溫度計檢定規程 -
Laboratory glassware ; beckmann thermometers, adjustable range enclosed scale thermometers
實驗室玻璃儀器.貝克曼溫度計.量度范圍可調的封裝式 -
Mathematical relationships between the three - parameter zipf law and the beckmann model of city hierarchies
規模模型的分形與分維 -
The reflective light filed distribution is studied in great detail with diffraction approach, which is based on the quasi - gaussian beam model of the light emitted from the multimode transmitting fiber and conclusions drawn by beckmann on the scattering light from random rough reflector
引入了beckmann關于隨機粗糙表面光散射理論的相關研究結論，基於衍射分析法建立了準高斯光經過反射面后的反射光分佈模型。
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