PMP柱前衍生法用于还原性双糖的衍生,同样能取得较好的结果。
The use of PMP method in reducing disaccharides gave good results.
采用X光电子能谱(XPS)及化学衍生法探讨了硝酸氧化前后的碳纤维表面化学的变化。
The surface chemistry of a high modulus and a low modulus carbon fiber, both before and after nitric acid oxidation, were studied by X-ray photoelectron spectroscopy (XPS) and chemical derivatization.
近年来许多研究人员将化学衍生法应用于高效液相色谱中,试图提高检测灵敏度和改善分离效果。
In recent years, many researchers have used chemical derivatization in HPLC in attempt to improve detection sensitivity and separation efficiency.
在2005年破产法修订案中,国会再次免除了衍生产品合约方的一项自动暂缓执行权——该权利阻止债务人从申请破产保护的公司处索回欠款。
Under the 2005 bankruptcy reform, Congress once again exempted derivatives from the automatic stay that prevents creditors from collecting what they are owed by a company that files for bankruptcy.
衍生著作在版权法中属于灰色地带,尚待解决。
Derivative works is a particularly messy area of copyright law and one that is still being settled.
一个很有前景的刺激反应模型衍生的治疗方法是旋律吟诵法。
A promising modification of the stimulus-response model is Melodic Intonation Therapy.
本文用衍生物合成、降解反应、红外光谱、核磁共振谱及x -射线衍射晶体分析法研究了它的化学结构。
Its structure has been studied through a series of chemical synthesis, preparation of derivatives, degradations and IR analyses, and ultimately determined by X-ray diffraction.
目的:探讨胶束纸色谱法在分离、鉴别黄酮类及其水溶性衍生物中的应用。
OBJECTIVE:To investigate the use of micellar paper chromatography on the isolation and identification of flavonoids and their soluble derivatives.
方法以苯甲醛衍生物和苯乙酮为原料,弱碱碳酸钾为催化剂,水为溶剂,用相转移催化法合成查耳酮衍生物。
Methods Chalcone derivatives were synthesized from benzaldehyde derivatives and acetophenone by using weak alkali potassium carbonate as based catalyst in water via phase - transfer catalysis.
运用衍生化气相色谱法和GC/MS对黄磷诱发氧化水中苯酚的降解产物进行了定性、定量分析,并初步探讨了反应机理。
The mechanism of yellow phosphorus induced oxidation of phenol in water has been tested with the products analyzed by GC and GC/MS after derivatization to study the reaction pathway.
实验结果表明,柱后衍生高效液相色谱法适用于水产品中河豚毒素的检测。
From the results of above, detection of TTX in aquatic products by post column derivation HPLC is feasible.
在柱内衍生反应色谱法中,选择的分析对象为建筑材料中的甲醛测定。
In in-column derivatization reaction chromatography, the chosen analyte was the free formaldehyde in building materials.
方法利用体外细胞培养模型,应用MTT法分析姜黄素衍生物对不同肿瘤细胞生长的影响。
METHODS Based on cell culture model in vitro, MTT test was used to study the inhibitory effect of curcumin derivatives on tumor cell lines.
运用MNDOMO法对五种四唑衍生物的互变异构反应进行了理论计算。
Theoretical calculations on the tautomerization of five tetrazole derivatives are performed with MNDO MO method.
以化学衍生结合电喷雾电离质谱(ESI-MS/MS)法研究银莲花素A的质谱裂解方式。
The fragmentation pathway of raddeanin A was studied by electrospray ionization mass spectrometry(ESI-MS/MS) together with chemical derivatization.
提出了柱前衍生高效液相色谱法检测工业合成牛磺酸及其中间产物2-氨基乙基硫酸酯。
This paper presents a method for separating and determining industrial synthetic taurine and intermediate product 2-aminoethyl sulfate by pre-column high performance liquid chromatography (HPLC).
方法采用自制装置双相水解连续萃取法提取蒽醌衍生物,并和常用的3种溶剂法对比。
Methods The extraction of anthraquinone from rhubarb was performed by liquid-liquid continuous biphasic extraction and this method was compared with 3 general solvent methods.
罗马法的家长权和日耳曼法的父权,这两种原生权力在近代法上揉和而衍生出亲权,探视权就是从亲权制度中逐渐演变出来的一种具体权利。
Visitation right is a concrete right comes to existence gradually from the parental power system, which developed from the parental right from Roman law and the Father right from Germanic law.
气浮法是用于回收纤维素衍生物废水中纤维素的一种非常有效的方法。
Gas floatation process is a very effective method to reclaim the cellulose in wastewater, which produced by the technics of manufacturmg nitrolcell.
建立柱前衍生化-毛细管气相色谱法分离2,5 -己二醇对映体的方法。
A method for the enantioseparation of 2, 5-hexanediol by capillary gas chromatography with precolumn derivatization was proposed.
同时,用钯催化“一锅法”反应以较高的收率合成了关键中间体2-乙酰基茚衍生物。
The key inter- mediate 2-acetylindene compounds were synthesized by one-pot palladium-catalyzed reaction in goody.
运用HMO法对卤化苯及其硝基衍生物的电子结构进行系统的校正计算和研究。
The electronic structure of the halogenobenzene and theirnitroderivatives has been systematically calculated and studied by HMO method.
比较了可用于2-FBA衍生反应的三种途径,选定PFB脂化法为本工作的衍生反应途径。
Three routes of derivation for 2-FBA are compared and the PFB-ester method is selected to be the radical route of the sample treatment.
建立了一种EDTA直接滴定,减量法计算叶绿素铁锌衍生物中锌离子含量的测定方法。
Built up a kind of measurement method that is an EDTA direct titration, which USES reducing method to calculate the zinc ion content of the chlorophyll iron zinc derivatives.
讨论了等效转动矢量法及其衍生的一系列修正算法和优化算法,并作了精度分析和数字仿真,并对根据角增量提取角速率的方法进行了研究和验证。
It is discussed that the optimized attitude algorithms and corrected attitude algorithms which are derived from the former. Then those are analyzed and emulated in Matlab.
讨论了等效转动矢量法及其衍生的一系列修正算法和优化算法,并作了精度分析和数字仿真,并对根据角增量提取角速率的方法进行了研究和验证。
It is discussed that the optimized attitude algorithms and corrected attitude algorithms which are derived from the former. Then those are analyzed and emulated in Matlab.
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