譜純度 的英文怎麼說
中文拼音 [pǔchúndù]
譜純度
英文
spectral purity-
1 - butene for industrial use - determination of purity and hydrocarbon impurities - gas chromatographic method
工業用1 -丁烯純度及烴類雜質的測定氣相色譜法05. 01 analysis of high - purity n - heptane and isooctane by capillary gas chromatography, method for
用毛細管氣相色譜法分析高純度正庚烷和異辛烷的方法Standard test method for analysis of high - purity n - heptane and isooctane by capillary gas chromatography
用毛細管氣相色譜法分析高純度n -庚烷和異辛烷的標準試驗方法Female mice serum and vaginal secretion antibodies, their fertility and the pathological changes were determined. on the other hand, the effects of the anti - serum against synthetic peptide on the sperm - egg interaction during ivf and the location of p3 peptide in sperm were watched. the main results and conclusions were as follows : 1 ) the new antigen p3 peptide which harvested from the 430a peptide synthesizer were verified by the mass spectrograph and hplc, that the ratio of mass / charge of the synthetic peptide was equal to the molecular weight in theory and its purity was above 95 %
本研究的主要結果和結論如下：一、經抗原分子設計，在430a自動肽合成儀上合成的新抗原p3 ，經質譜儀分析證明其荷質比與理論一致；純化后，其純度大於95 ；將新抗原與klh偶連后免疫小鼠，經westernblot證實其誘導的特異性抗體可識別小鼠、大鼠、人睪丸組織中分子量約為22kd和55kd左右的蛋白質。Standard test method for ethyl methyl pentanol content and purity value of 2 - ethylhexanol by gas chromatography
用氣相色譜法測定2 -乙基已醇純度值和乙基甲醇戊烷含量的標準試驗方法The reason to cause this phenomenon is due to the change of electric field in the blue oled to induce the probality of the carrier shifted and the hole - electron recombination zone changed, which was a possible alternative to achieve color display. 3 ) device with the structure of ito / npb / adn : balq3 / alq3 / mg : ag was fabricated. when the balq3 dopant concentration was about 25 mol %, a high performance devcie with luminous efficiency of 1. 0 lm / w, the peak of emission spectrum at 440 nm, the cie coordinate at ( 0. 18, 0. 15 ), and half lifetime of unencapsulated device about 950 hrs was achieved
導致本現象的原因是由於各有機層電場強度的變化影響了空穴和電子的隧穿幾率，從而導致載流子的復合區域發生改變而發出不同顏色的光; 3 ）制備了結構為ito / npb / adn : balq3 / alq3 / mg : ag的藍光oled ，空穴阻擋材料balq3的摻入顯著影響了oled的光電性能，當balq3的摻雜濃度為25mol %時， oled的發光效率為1 . 0lm / w ，發光光譜的峰值為440nm ，色純度為（ 0 . 18 ， 0 . 15 ） ，未封裝器件的半衰期達到了950小時; 4 ）在藍光材料adn中摻雜npb 、 balq3和tbp三種材料時，不僅改善了器件的發光亮度和色純度，而且提高了器件的發光效率和壽命。According to the comparation among the three kinds of crude extraction methods including acid dissolve, enzymolysis and neutral salt solution. the method of enzymolysis combined with hplc was chosen to prepare cp i. the physico - chemical property of, cp i was identified
以豬皮為材料，比較酸溶法、酶解法、中性鹽溶液法三種粗提方法，選擇得率和純度都較高的酶解法為最佳粗提法，結合高效液相色譜進行cp的分離純化。Fluorinated methanes for industrial uses - determination of purity - gas chromatography
工業用氟代甲烷類純度的測定氣相色譜法3. with comprehensive improvement of transponder including structural adjustment to lna ; optimization of ( phase locked loop ) pll filter ; structural adjustment to the transmitter and phase error adjustment to the intermediate frequency demodulation circuit, we have successfully enhanced sensitivity, expanded dynamic range, increased transmitting power and improved the spectrum purity ; decreased capture time for pll ; improved the signal quality after demodulation ; reduced its volume and power consumption. 4
3 、對通信機的全面改進，包括lna結構的調整、鎖相環環路濾波器的優化、發射部分結構的調整以及中頻解調電路的相差調整，提高了系統的接收靈敏度、改善了本振的頻譜純度、減少了鎖相環的鎖定時間、使中頻解調后的信號質量大為提高，同時還減少了體積、節約了系統的功耗。Fos contain mixture of gf2, gf3 and gf4 sugars ( where g = glucose molecule and f = fructose molecule ) and a dp ( “ degree of polymerization ” ) of 3 - 5 ( “ neosugar ” ), are not naturally - occurring but are enzymatically synthetized from sucrose by action of an enzyme from the fungus aspergillus niger
詳細說明：是以蔗糖做底物，採用呋喃果糖苷酶轉果糖基作用，在蔗糖分子上以（ 1 2 ）糖苷鍵上與1 - 3個果糖分子結合，形成的蔗果三糖（ gf2 ） 、蔗果四糖（ gf3 ） 、蔗果五糖（ gf4 ）屬于果糖和蔗糖構成的直鏈雜低聚糖，在形成的產物中還有果糖、葡萄糖和未反應完全的底物蔗糖，採用色譜法除去單糖和雙糖制得高純度的低聚果糖。Ultraviolet absorption detector, photodiode array detector ( dad ), fluorescence detector, and electrochemical detector are optional detectors, response value of which is relative to not only quality of the object under test, but also structure of the compound ; refractive index detector and evaporative light - scattering detector are universal detector, responding to structure of all compounds ; evaporative light - scattering detector is quality - type detector, whose responding value only relates to quality of the object under test for compounds with similiar structures ; photodiode array detector ( dad ) can, at the same time, record absorption spectra of the object under test in a prescribed wave scope, consequently, it can be used in spectrum control and inspection of purity of chromatographic peaks of the object under test
紫外、二極體陣列、熒光、電化學檢測器為選擇性檢測器，其響應值不僅與待測物的質量有關，還與化合物的結構有關；示差折光檢測器和蒸發光散射檢測器為通用型檢測器，對所有的化合物結構均有響應；蒸發光散射檢測器屬質量型檢測器，對結構類似的化合物，其響應值幾乎僅與待測物的質量有關；二極體陣列檢測器可以同時記錄待測物在規定波長范圍內的吸收光譜，故可用於待測物的光譜管制和色譜峰純度的檢查。Gas chromatographic internal standard method was considered to determine purity for 1, 1 - dimethylhydrine ( udmh ) instead of the standard working curve method
研究了氣相色譜內標法代替常規的標準工作曲線法測定偏二甲肼純度（ udmh ） 。Solvents for paints and varnishes - ethylene glycol ethers - gas chromatographic determination of the degree of purity
顏料和清漆用溶劑.乙烯乙二醇醚.純度等級氣相色譜分Solvents for paints and varnishes - propylene glycol ethers - gas chromatographic determination of the degree of purity
顏料和清漆用溶劑.丙烯乙二醇醚.純度等級氣相色譜分Standard test method for p - phenylenediamine antidegradants - purity by high performance liquid chromatography
使用高效液相色譜的p -苯二胺抗降解劑純度的標準試驗方法Standard test method for trace metallic impurities in high purity copper by high - mass - resolution glow discharge mass spectrometer
使用高質量解析度輝光放電質譜儀測量高純度銅中痕量金屬雜質的標準試驗方法Solvents for paints and varnishes - acetic esters - gas chromatographic determination of the degree of purity
油漆和清漆用溶劑.醋酸酯.氣體色譜法測定純度Through the research of direct digital synthesizer ( dds ) used as a divider in phase lock loop ( pll ), a frequency synthesizer with small frequency resolution ratio and high purity frequency spectrum can be realized
摘要通過對直接數字合成器在鎖相環路中作為分頻器應用的研究，使頻率合成器可以在實現超細頻率解析度的同時達到高的頻譜純度。Sinewave spectral purity
正弦波頻譜純度The technology of frequency synthesis is important in latter - day communication system. it ’ s widely used in wireless communication and electron system. with the high - speed development of technologies, higher stability, higher purity, broader range and larger output number of frequency are required in the frequency source of frequency synthesizer which is the core of this technology
頻率合成技術是近代通信系統的重要組成部分，在無線電通信與電子系統的各個領域中得到了廣泛的應用。隨著各種技術的飛速發展，人們對頻率合成器的頻率穩定度、頻譜純度、頻率范圍和輸出頻率的個數提出了越來越高的要求。分享友人