查询词典 O.P.

In th is paper, w e p ropo se a cert ificateless ring signature scheme, based on the bilinear pairings, w h ich p rovides uncondit ional anonym ity, and p rove th is scheme is existent ially un fo rgeable under adap t ive cho se2message at tack s, in the random o raclemodel, assum ing that the computat ionalD iffie2Hellman p roblem is hard to so lve.

摘 要 在这篇文章里，我们用双线性对构造了一种无证书的环签名方案，并证明它是无条件匿名的，且在随机预言模型中，计算性D iffie2Hellman 问题是难解的，我们方案在适应性选择消息攻击下是存在性不可伪造的，它的安全性比在基于身份的公钥密码体制下高。

Medicare's prospective payment system and Medicaid's policy of deinstitutionalization have apparently substantially increased the clinical needs of patients entering nursing homes.2,3 Consequently, the nursing h o m e is expanding its role in patient care and has b e c o m e an integral c o m p o n e n t of the health care system.4 Patients in skilled nursing facilities suffer from numerous problems: incontinence; mental impairment; difficulties with one or more activities of daily living; immobility and falling episodes; and malnutrition.l.3,6There is a high rate of acute illness superimpose don multiple medications and several simultaneous chronic illnesses.

医疗保险的潜在支付系统和医疗补助的政策，非机构化，显然大大增加了患者的临床需要进入护理homes.2 ， 3因此，养老院正在扩大其作用，病人护理，并已成为一个不可分割的组成部分保健system.4

We are not responsible for a nyacts o r o missions o f your b roker, in cluding, b ut not limited to , sales p ractices, trad ing practices o r

我们对您经纪人的任何行为和失职，包括但不限于，销售行为、交易行为和推荐行为，不负责

There was no difference in the areas of alpha zone atrophy and total peripapillary atrophy between POAG and NTG eyes. There was no significant difference in the occurrence and area of beta zone atrophy among the three types of glaucoma.

带面积、PPA总面积、则无统计学差异(分别为：拼一0.011，p一 0.991；t=o.148，p一0.883)；不同类型青光眼之间已带发生率与面积无统计学差异(xZ一1.756，p一0.416；介1.362，p一0.262)。

During the BDST task, areas showing activation in healthy volunteers include bilateral middle frontal gyrus, left superior frontal gyrus, inferior frontal gyrus, precentral gyrus, superior parietal lobe, suprarnarginal gyrus, Inferior temporal gyrus and occipitotemporalis lateralis gyrus, however, the left superior frontal gyrus, inferior frontal gyrus and bilateral posterior parietal cortex in schizophrenic patients showed significantly less activation.

在＊M河的侧m检查中治疗后，IA亚组的左侧额上回及左侧额下口的激活低下明显改善（P＜O.05），H A亚组的左恻额上回及左侧额下回的激活低下明显改善P＜O刀5），右侧领下回的激活降低（P＜0.05）。结论门）首发精神分裂症患者在发病初期就存在认知缺陷症状，工作记忆等与前额区相关的功能缺陷是普遍而严重的。

First, by using p-methoxybenzaldehyde , p-hydroxybenzaldehyde and pyrrole as raw materials, 5-(p-hydroxyphenyl)-10,15,20-tri(p-methoxyphyenyl)porpyrin was prepares under acidity condition and the let reacted with benzoyl chloride, o-nitrobenzoyl chloride, m- nitrobenzoyl chloride and p- nitrobenzoyl chloride respectively under alkalinity condition with DMF as solvent.

以对-甲氧基苯甲醛、对-羟基苯甲醛和吡咯为原料，在酸性条件下合成了5-对羟苯基10，15，20-三对甲氧苯基卟啉，再以该化合物为原料分别与苯甲酰氯、邻-硝基苯甲酰氯、间-硝基苯甲酰氯和对-硝基苯甲酰氯反应，在碱性条件下以DMF为溶剂合成了四种目前尚未见文献报道的对-甲氧基卟啉硝基苯甲酸酯类化合物。

The UHF/AMl calculations were applied to study the thermolyses of o- dimethylaminobenzoyl, o-dimethylamino-p-methylbenzoyl and o- dimethylamino-p-nitrobenzoyl azides.

采用UHF／AM1方法对2－二胺基苯甲酰叠氮、2－二甲胺基－3－甲基苯甲酰叠氮和2－二甲胺基－3－硝基苯甲酰叠氮的热分解反应进行了研究。

W h e th er a plan et can sup p o rt life de p e nd s on th e size and br i gh t ness o f its star, th at i s its 'sun'.

是否一行星能维持生命取决于那大小和亮度的它的恒星，那是它的&太阳&。

It can be observed from cyclic Volt-Ampere curves of LiNiO〓 that the insertion and extraction of Li〓, at the site of interlayer octahedra and tetrahedron of LiNiO〓 take place in two steps.

研究了P〓O〓、H〓BO〓、SiO〓和Al〓O〓对LiNiO〓结构和充放电机理的影响。P〓O〓提高了充放电过程中晶型转变的可逆性。H〓BO〓和SiO〓使LiNiO〓由六方晶系向无定形态转化。

Hi沙er-rank profession of mothers means more protection and interference but less biased favor of the subj ects.2. Parental r ea.ring p attems p rove t o b e a n m ost l nfluential f actor t o t he c ognitive styles of university students.

父母教养方式是影响大学生认知方式重要因素，父亲教养方式的过分干涉及母亲教养方式的过干涉过保护可以促使大学生形成场独立的认知方式。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。