标准溶液所消耗的当量数与待测物质所消耗的当量数相等时的点叫()。滴定时指示剂的转变点叫()。
参考答案:化学计量终点、滴定终点
没有昼夜节律性变化的激素是
A.血浆醛固酮
B.睾酮
C.VMA
D.ACTH
E.甲状腺素
Originally introduced by Netscape Communications, () are a general mechanism which HTTP Server side applications, such as CGI () , can use to both store and retrieve information on the HTTP () side of the connection. Basically, Cookies can be used to compensate for the () nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based () .
The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based () .
A.programs
B. applications
C.frameworks
D.constrains