SMD

1.This document identifies the classification level of nonhermetic solid-state surface mount devices (SMDs) that are sensitive to moisture-induced stress.

本标准用于确定非密封装的表面安装器件（SMD）的湿度等级。

2.Semiantigen sulfamethoxydiazine (SMD) was coupled with carrier protein bovine serum albumin (BSA) to prepare complete antigen SMD BSA by glutaraldehyde method.

采用戊二醛法,将半磺胺对甲氧嘧啶(SMD)载体牛血清白蛋白(BSA)偶联,制得磺胺对甲氧嘧啶全SMD-BSA。