APCI相关论文
【目的】分析叶菜专用型甘薯茎尖总酚含量及抗氧化活性，为筛选优质菜用甘薯品种及其开发利用提供数据参考。【方法】测定华南地区11......
目的 采用中心切割在线二维液相色谱四级杆飞行时间质谱法定性鉴别盐酸特比萘芬乳膏中相对保留时间(relative retention time,RRT)......
Triacylglycerides (TAGs) are a large class of complex neutral lipids that naturally occur in both plants and animals.The......
本文将电喷雾解吸电离(DESI)和APCI两种方法的优点结合在一起,提出了表面解吸常压化学电离技术,由于使用空气、水、氮气等无毒无害......
This paper described a simple method to separate and identify the nitrogen compounds in RFCC diesel oil. A 2％ H2SO4 - CH3......
贵刊2001年第3期发表了崔其新、曹峰老师《一道几何题的演绎》一文.文中原题曾多次出现在近几年的各地中考题中,它实际源自人教版......
患者徐某,女,13岁。1987年2月26日因感冒发烧服 APC 1片,3小时后全身皮肤出现荨麻疹、哮喘、口唇发紫、大汗淋漓,烦躁不安,继而不......
建立了高效液相色谱串联大气压化学电离源质谱(HPLC-APCI-MS)测定水中三氯生的方法,预处理采用正己烷液液萃取法萃取三氯生,回收率......
Exact Mass Measurements for α-Allenic Alcohol by Atmospheric Pressure Chemical Ionization/Time-of-fl
The atmospheric pressure chemical ionization/time of flight mass spectrometry (APCI/TOF MS) was applied to determine ......
Simultaneous pharmacokinetic assessment of cefadroxil and clavulanic acid in human plasma by LC-MS a
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APC（腺癌样结肠息肉病）基因起着防止结直肠肿瘤形成的作用，这个基因的种系突变体即APC11307K等位基因。在6．1％AshkenziJewish人群具有结......
“宾州理海谷讯”气体制造及化学公司日前宣布扩大对中国大陆及马来西亚的投资。位于崔克斯勒城的气体制造及化学公司（川rl）rw：luctsa......
东向空气产品上海有限公司 ( Eastern Airproducts,简称 EAP) ,是美国空气及化工产品有限公司 ( Air products andchemicals Inc简......
目的:研究急性进展性脑梗死(APCI)患者外周血清可溶性CD40配体(sCD40L)水平及外周血单个核细胞(PB-MC)胞核核因子κB(NF-κB)p65表......
蛋白C:1976年Stenflo将牛血浆先经枸橼酸钡沉淀,然后将沉淀物溶解,加入到二乙基氨基乙基葡聚糖凝胶(DEAE Sephadex)柱上进行分离,......
目的探讨对急性进展性脑梗死(APCI)患者检测炎症因子表达及凝血相关指标的临床意义。方法 48例APCI患者作为进展组,48例非进展性脑......
香港一工场乙炔瓶爆炸3死4伤2000年2月12日晨，香港元郎大生围一机器维修工场发生大爆炸，7名工人于春节假后首天开工即遭遇事故，3人被......
用高效液相色谱-大气压化学电离-质谱(HPLC-APCI-MS)的方法对18C_(20)-二萜类生物碱和14C(?)去甲二萜类生物碱进行定量分析。通过......
中国药典记载中药丹参由唇形科植物丹参(Salvia miltiorrhiza)的根和根茎制备而成,然而除此之外,尚有11种丹参属的植物作为丹参的......
报道应用 L C- MS/ MS,采用音喷离子化 (SSI)与大气压化学离子化 (APCI)对利血平的比较分析 ,应用这两种离子化方法比较所得的利血......
从八角属植物假地枫皮的石油醚提取物中分离出5个二萜酸类化合物,经波谱数据分析(1HNMR、13CNMR、1H1HCOSY、NOESY、HSQC和HMBC),......
AIM: To develop a sensitive method for measuring theputative endocannabinoid 2-arachidonylglycerol (2-AG)in the periphe......
A FAST,HIGH SENSITIVITY AND HIGH MASS ACCURACY API TIME-OF-FLIGHT MASS SPECTROMETER AND ITS APPLICAT
Greatdemandarenowbeingplaceonliquidsampledetectorsduetonewemergingfastseparationtechnology,highnumberofsamplenowneededto......
英国著名Micromass质谱公司并入美国Waters公司,使原本各自独立发展的高超LC与MS技术终于合二为一,走向共同发展、完美默契之路.带......
Deoxyglycychloxazol(TY501) is a glycyrrhetinic acid derivative which exhibits high anti-inflammatory activity and reduce......
PURPOSE: The probability of colorectal cancer is moderately increased among carriers of the APC I1307K polymorphism. How......
New chiral C_2-symmetrical bis(oxazoline) compounds bearing one isobutyl-, secbutyl-, benzyl- or isopropyl-substituent a......
Methanolisoneofthemostimportantbasicfeedstockfortheorganicchemicalindustryandalsoisapotentialfuel.Althoughthetechnologyf......
A series of UV-curable liquid crystalline diacrylates were synthesized by using 4, 4’-(terephthaloyldioxy) dibenzoic a......
IntroductionFlavones and their derivatives existing in natu-rae are commonly contained in plants.The mem-bers of the fla......
从天南星科植物鞭檐犁头尖的根茎中分离得到 3个化合物 ,运用波谱技术 (UV ,IR ,1HNMR ,13 CNMRand 2DNMR)对它们的化学结构进行解......
通讯员姚光裕报道芬兰Jyvakyla大学化学系应用化学实验室科技人员采用高效液相色谱-大气压化学电离源-质谱(HPLC-APCI-MS)方法分析......
确定了一种简单,明确和灵敏的高效液相测定和检测超临界二氧化碳萃取物中生育酚的方法。通过加入携带剂,超临界二氧化碳从菜籽脱臭......
New Fragmentation Pathways for Cephalosporins by Electrospray Ionization Quadrupole Time-of-flight M
Introduction Cephalosporinsareantibioticsofβ-lactam family.Theyhaveabroadspectrumofantibiotic activityduetotheirability......
Introduction Metformin(1,1-dimethylbiguanide)(Fig.1)is anoralanti-hyperglycemicagentusedinthetreat- mentofnon-insulin-de......
Polar components play a very important role toward light stability of hydrotreated naphthenic rubber process oil. Polar ......
Two eremophilane-type sesquiterpenoids from the rhizomes of Ligularia veitchiana(Hemsl.) Greenm were isolated and determ......
Electrospray ionization(ESI) and atmospheric pressure chemical ionization(APCI) techniques for liquid chromatography–ta......
A series of 3-substituedmethylenethiochroman-4-ones was designed and synthesized, and their structures were confirmed by......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
本文以我们几年来的实际工作为素材，对电喷雾和大气压化学电离这一近年发展起来的软电离质谱接口技术做了应用性介绍。文中列举了该......
为了考察主流烟气气相成分的逐口释放特征，建立了在线分析卷烟主流烟气中丙烯腈、丙烯醛、巴豆醛、苯、甲苯、吡啶和苯乙烯7种有机......
