主页
学科
搜索
账户
常见问题
当前学科:药学专业知识一
题目:
单选题
控释小丸或膜控释片剂的包衣液中加入PEG的目的是()
A
助悬剂
B
增塑剂
C
成膜剂
D
乳化剂
E
致孔剂
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
使用37°探头探测钢轨时,时基线声程为200mm,其代表的垂直深度为()。
按资源的更替特点来分,资源可以分为()。
根据以下材料,回答题[A] Some archaeological sites have alwaysbeen easily observable—for example, the Parthenon in Athens, Greece, the pyramids of Gizain Egypt; and the megaliths of Stonehenge in southern England. But these sitesare exceptions to the norm. Most archaeological sites have been located bymeans of careful searching, while many others have been discovered by accident.Olduvai Gorge, an early hominid site in Tanzania, was found by a butterflyhunter who literally fell into its deep valley in 1911. Thousands of Aztecartifacts came to light during the digging of the Mexico City subway in the1970s.
关于奥林匹克格言的描述正确的是?()
代理网点受理对公通存通兑业务时需审核哪些事项?
加法的学习影响着乘法的学习,而乘法的学习反过来也影响着对加法的重新理解,这在心理学中叫()。
闭式齿轮传动的主要失效形式是磨损。()
腹肌的说法中,正确的有()。
口苦,咽干,寒热往来,胸胁苦满,脉弦,其证候是()
商品生产国与消费国通过第三国进行的贸易叫做()