(1)将等质量的Zn粉分别投入:a:10 mL 0.1 mol·L-1 HCl和b:10 mL 0.1 mol·L-1醋酸中。 ①若Zn不足量,则反应速率a___b。(填“>”、“=”或“<”,下同) ②若Zn过量,产生H2的量a___b。 (2)将等质量的Zn粉分别投入pH=1,体积均为10 mL的a:盐酸和b:醋酸中。 ①若Zn不...
We have recently shown that addition of human erythrocyte glycosphingolipids (GSL) to non-human CD4+ or GSL-depleted human CD4+ cells rendered those cells susceptible to gp120-gp41-mediated cell fusion (Puri et al., BBRC, 1998). One GSL fraction (Fraction 3) isolated from human erythrocy...
A disposable tape tab for a diaper or a like article is provided with at least a fastening tape tab portion and a release tape tab portion, the fastening tape tab portion having a fastening surface which fastening surface is on a face opposite the adhesive surface face of the release tape ...