Excludes 1 It means " NOT CODED NORE!" Ib daim ntawv Excludes 1 qhia tau hais tias cov cai tsis suav nrog yuav tsum tsis txhob siv tib lub sijhawm raws li cov cai saum toj no cov cai saum toj saud Excludes 1. Ib qho Excludes 1 yog siv thaum ob qho xwm txheej tsis tuaj yeem tshwm sim ua ke, xws li daim ntawv congenital piv rau qhov tau txais ntawm tib yam mob .
[rau ib tus neeg lub npe] ntawm cov npe ntawm cov neeg tos lub sijhawm ua ib yam dab tsi. Kuv tsis tuaj yeem tau zaum ntawm lub dav hlau, tab sis kuv tau txais daim ntawv tos. Tsis muaj chaw rau koj, tab sis peb tuaj yeem muab koj lub npe tso rau hauv daim ntawv tos.
(C) Dimerisation ntawm benzoic acid: Hydrogen daim ntawv koom nrog hauv dimerisation ntawm benzoic acid vim H atom ntawm ib cov kua qaub molecule cuam tshuam nrog O atom ntawm cov nyob sib ze acid molecule los ntawm hydrogen bonding. Li no tsis muaj dative daim ntawv cog lus nrog rau qhov no thiab .
