A simple LCMS question please# Chemistry - 化学w*y2011-09-15 07:091 楼刚找到的工作,在new york州大学的职位。但是学校要我自己找律师办H1B,他们推荐的律师非常贵, 不知道版上有没有同仁知道那个好一点的收费合理的律师?看到有些帖子说自己准备的。我的opt7/1就结束了,会不会来不及?先谢谢了
a*n2011-09-15 07:094 楼Under ESI source, is it possible to form (MH+)+H2O adduct (M+19) for a smallmolecule?
F*a2011-09-15 07:095 楼DIY吧,并不难.【在 w***y 的大作中提到】: 刚找到的工作,在new york州大学的职位。但是学校要我自己找律师办H1B,他们推荐: 的律师非常贵, 不知道版上有没有同仁知道那个好一点的收费合理的律师?看到有些帖: 子说自己准备的。我的opt7/1就结束了,会不会来不及?先谢谢了
Y*m2011-09-15 07:096 楼真不错, 不过人家是专业, 有好相机, 照完了要出书的...http://www.books.com.tw/exep/prod/lookinside.php?item=0010414169#tt我要是能不上班儿, 光在家咕咚吃的多好.. :)【在 r*z 的大作中提到】: http://blog.yam.com/kitty_bistro/article/24300784: 偶觉得色香味看上去比最高级的店还要好看。。。
b*g2011-09-15 07:098 楼I think it is NH4+ adduct.small【在 a***n 的大作中提到】: Under ESI source, is it possible to form (MH+)+H2O adduct (M+19) for a small: molecule?
c*n2011-09-15 07:0913 楼do you have a CN group in your molecule?small【在 a***n 的大作中提到】: Under ESI source, is it possible to form (MH+)+H2O adduct (M+19) for a small: molecule?
c*n2011-09-15 07:0915 楼or an aldehyde【在 c******n 的大作中提到】: do you have a CN group in your molecule?: : small
d*s2011-09-15 07:0916 楼yes, very common.try to increase your declustering potential see if the water adduct(s)breaks offsmall【在 a***n 的大作中提到】: Under ESI source, is it possible to form (MH+)+H2O adduct (M+19) for a small: molecule?
w*o2011-09-15 07:0917 楼try ESI negative.small【在 a***n 的大作中提到】: Under ESI source, is it possible to form (MH+)+H2O adduct (M+19) for a small: molecule?