E. H. Appelman of Argonne used XeF2 in aqueous solution to prepare the first examples of perbromates, and this could have involved attack of bromate by XeO as a singlet oxygen carrier.
阿尔贡实验室的E·H·哀朴曼(e . H . Appelman)在水溶液中用XeF2制备了第一个过溴酸盐样品，这可能涉及XeO对溴酸盐的攻击，XeO是单线态氧的载体。
It is shown here that S-L-H scheme is insecure against the public key substitution attack and an improved threshold proxy signature scheme is proposed.
这里指出s - L - H方案不能抵抗公钥替换攻击，并给出了一个改进的门限代理签名方案。
The influence of solidity and aspect ratio on power coefficient of H-type vertical axis wind turbine, and the change of attack Angle with tip speed ratio were analyzed.
采用多流管模型分析了H型垂直风力机展弦比和实度对其功率系数的影响，并对叶片旋转过程中攻角随尖速比的变化进行了分析。
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