Bu makalede Windows Server 2012 R2 (OTP) bir defalık parola kimlik doğrulamasıyla DirectAccess'i yapılandırmadan sonra oluşan bir sorun açıklanır. Bu sorunu çözmek bir düzeltme kullanılab...
astructures of asphaltenes and preasphaltenes in detail, because of their low solubility in common solvents such as CDC13 and CD2C12. Although solid-state n.m.r.is one answer to the problem , its resolution is still low. 详细asphaltenes和preasphaltenes结构,由于他们的低可溶性在共同的溶剂例如CDC...
Synthesis of new glycosyl based meso-substituted dipyrromethanes 1–3 has been described. Crystal structure of the representative compound 1 has been determined by X-ray single crystal analysis. The compounds 1 and 3 exhibit fluorescent 'Turn-On' and 'Turn-Off' signaling for Cd2+ and Cu2+...
如何鉴定溶液中离子:Pb2+、Bi3+、Cu2+、Cd2+、Hg2+、AsⅢ,Ⅴ、SbⅢ,Ⅴ、SnⅡ,Ⅳ? 相关知识点: 试题来源: 解析 答:包括Pb2+、Bi3+、Cu2+、Cd2+、Hg2+、AsⅢ,Ⅴ、SbⅢ,Ⅴ、SnⅡ,Ⅳ等离子,称为铜锡组。它们的一起特点是不被HCl沉淀,但在L HCl酸性溶液中,可与H2S生成硫化物沉淀。详细的分...
— Have you called 9? — As soon as I saw the smoke, I called the firemen, but they ___ yet.[ ] A. didn39t arrive B. hadn39t arrived C. haven39t arrived D. wouldn39t arrive 相关知识点: 试题来源: 解析 C.haven39t arrive 反馈 收藏 ...