Researchers have developed a nondestructive and noninvasive optical technique that can determine the setting times for various types of cement paste, which is used to bind new and old concrete ...
WASHINGTON -- Researchers have developed a nondestructive and noninvasive optical technique that can determine the setting times for various types of cement paste, which is used to bind new and old ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果
反馈