一,used to do sth.和would的用法及区别.1.used to do sth.和would都可以表示过去反复发生的事情,动作. 王守廉,李秀芹 - 研究生入学英语动词用法例解=An Explanation of Commonly Used English Verbs For Graduate Students 被引量: 0发表: 1997年
摘要: PROBLEM TO BE SOLVED: To reduce contact stress by forming a patella prosthesis to have non-circular oueter circumferential edge and have a specified radius of a substantially certain sphere on the contact side with a groove for the petella prosthesis.收藏...
Bacillus stearothermophilus spore preparations used for monitoring steam sterilization]]>doi:10.1111/j.2042-7158.1982.tb04238.xN.DepartmentA.DepartmentHodgesDepartmentWileyJournal of Pharmacy & PharmacologyHodges, N. A., " A Comparison of Heat Resistance in Commercially Available Bacillus stearothermophilus ...
By virtue of their structure, the products exhibited excellent electrochemical performance when evaluated as anode materials for lithium-ion batteries (LIBs). Specifically, it delivered a high discharge reversible specific capacity of ~?550?mA?h?g?1 after 520?cycles at the current density of 100?
UUP Media Creator is an utility to create Windows Media files (.ISO, .WIM, .VHD) from Unified Update Platform files. You can download the version of Windows as an ISO image from Windows Update using this tool.
PURPOSE: To facilitate the structuring by forming a composite honeycomb panel having a frame material and a honeycomb core nipped by face plates, and mounting this composite honeycomb panel directly to a skeleton through a mounting metallic material. ;CONSTITUTION: A frame material 2 is arranged on...
The plate (19) and the plane are connected with each other by a rotation joint e.g. hinge, such that either the plate (19) or the plane is used in a coplanar extension position or in inclined position with respect to the other.
This invention relates to the transmission of impulses and particularly to impulse repeaters used in telephone or other communication systems. The objects of the invention are to simplify the structure and the operation of impulse repeaters; to obtain improvements in the registration and counting... ...
The following rate constants were derived, in units of cm3 molecule1 s1: CH3F, (3.7 ± 0.8) × 1011, CH3Cl, (3.3 ± 0.7) × 1011; CH3Br, (3.0 ± 0.7) × 1011; CF2H2, (4.3 ± 0.9) × 1012; CO, (5.5 ± 1.0) × 1013 (in 700 torr total pressure of N2 diluent); CF3H,...
The same seven humble boys that used to share a room and a dream. cr to /barbiefobia