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Contracts for Difference and margined Foreign Exchange are leveraged products which carry a high degree of risk which may result in you losing more than your initial deposit.

差价合约和保证金外汇是杠杆交易产品，具有高度风险性并可能导致您的损失超过初始投资。

It has been found that the cation exchange on diffusivity may play the role in different ways for different zeolites. When the diameter of the diffusant molecule is much smaller than the pore or cage size of the zeolite, the influence of exchanged cations is mainly by way of altering the electric field intensity (or the density of electric charge), the large the Z/r of the exchanged cations, the smaller the diffusivity; while the diameter of the molecule is apporsi- mately equal to the pore or channel size of the zeolite, the exchanged cations may affect the diffusivity by means of blocking up or narrowing the channels of the zeolite.

金属阳离子交换对扩散的影响表现为：当扩散分子的直径比分子筛孔道直径小得多时，交换阳离子以改变分子筛内部电场强度或电荷密度的方式影响扩散速度，阳离子的Z/r越大，扩散系数越小；当扩散分子直径与分子筛孔道直径相近时，交换阳离子则因堵塞或窄化孔道而改变分子的扩散速度。

Secondly, the silver based catalysts modified by phosphorus, zirconium, zinc, potassium and so on using molecular sieve as carrier, which were produced by ion-exchange method, had also good catalytic performance for 1,2-propane glycol oxidation to methylglyoxal. The conversion of 1,2-propane glycol and the selectivity of methylglyoxal were both high, and the impurity such as formaldehyde and acetaldehyde in the product is little. At the condition of the temperature 300 ℃, the molar ratio of oxygen to 1,2-propane glycol 1.7:1, the space velocity 6000h~(-1), and the concentration of 1,2-propane glycol 70wt%, the conversion of 1,2-propane glycol is 90% and the selectivity of methylglyoxal is 45% on the Ag-P catalyst.

其次对采用离子交换法制备的负载在分子筛上的银系催化剂进行了研究，发现此催化剂在助催化剂磷、锆、锌、钾等的作用下对丙二醇的低温氧化脱氢具有很高的活性，可以得到较好的丙酮醛的收率，并且产物中的甲醛、乙醛副产物的量比较低；经过对Ag-P催化剂上反应条件的考察，发现当温度为300℃、氧醇比1.7：1、空速6000h~(-1)、丙二醇浓度为70wt%时，丙二醇的转化率为90%，丙酮醛的选择性为45%。

She cared nothing and lived contentedly, never feeling as tortured as Diana or Sek Ji Ming, both of whom were greedy women, desiring to exchange with their true love to sincerity from the one they loved, without noticing that it was too hard for Cai Kiu Zeng and Cai Hou Naam, who was under the regulation of his stepfather, to provide any sincerity.Since there was too big burden in their hearts impossible and unwillingly to share with others.

她 什么都不在乎，满意的活着，所以绝不会像戴安娜抑或石伊明那样痛苦--她们都是贪心的女人，妄图以为自己一颗真心就可以换得他们所爱男人的十分真诚，只是她们不明白，齐乔正和之前齐乔正调教下的齐浩男，给的真诚，永远不可能是十分，因为他们心里装载了太多不可告人的压抑，不想也不可能分享给别人。

A Pd /D005 resin catalyst was prepared by using ion exchange method.Selective hydrogenation for pentadiene in FCC C5 fractions and hydroetherification of tertiary pentanes with methanol were investigated.

摘 要：采用离子交换法制备了Pd/D005树脂催化剂，对催化裂化C5馏分中戊二烯的选择性加氢和叔戊烯与甲醇的临氢醚化反应进行了研究。

In addition, we make a perturbative QED correction to the effective one gluon exchange process and expect that this QED and QCD interference effect will give us a good guide for understanding the charge symmetry breaking.

并指出由此得到的三体夸克—夸克对之间的相互作用在扩展的夸克势模型中可能是有用的。

In contrast, Web Services follow the XMLprotocol for data exchange, thus allowing complex data type predefinition.

相反的，Web服务依据XML数据交换的协议，以此方式允许复杂的数据类型的预先定义。

Exchanging security information between reliantly parties, it defines a mechanism for exchanging authentication and authorization information among different systems, Single Sign On is an effective method which implement Integrated authentication and authorization.Base on analyze traditional SSO ,this paper discussed an effective application system using SAML and PKI/PMI technology , which resolved Security information exchange among heterogeneous system through once authentication realize full access. This technology was used successful in the project of "third of CTAIS".

构，它定义了不同系统之间安全服务交换认证和授权信息的机制，单点登录技术SSO是实现集成身份认证和授权服务的有效方法，通过对传统的SSO分析，提出一种基于SAML、利用PKI/PMI的单点登录企业级的应用系统，有效解决跨域系统和异构应用平台的一次认证、全程访问的安全信息交换；成功在&金税三期&资源整合中界面整合及门户项目得到应用。

Beijing reprehensive office is mainly in charge of the promotion of the airline service college, the marketing and organization of the international education exhibition. At the same time, it is responsible for the reception of the college leaders' business visit to China and the exchange of international students and the teachers of the colleges which belong to China Education Office.

北京办事处主要负责航空服务学院在华宣传和招生推广工作，市场策划及组织大型国际教育展会，同时将负责学校相关领导的来华商务访问与中国教育部的部委直属院校进行国际学生交流和教师互换。

Beijing reprehensive office preparation work is mainly in charge of the promotion of the airline service college, the marketingorganization of the international education exhibition. at the same time, it is responsible for the reception of the college leaders' business visit to chinathe exchange of international studentsthe teachers of the colleges which belong to china education office.

北京办事处主要负责航空服务学院在华宣传和招生推广工作，市场策划及组织大型国际教育展会，同时将负责学校相关领导的来华商务访问与中国教育部的部委直属院校进行国际学生交流和教师互换。

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。