在进行中

In this work, three certified milk powder materials with different PCDD/Fs levels were Soxhlet-extracted and then cleaned up using Power-Prep system automatically. PCDD/Fs and planar PCBs were determined using isotope dilution and high resolution gas chromatography-high resolution mass spectrometry.

自动样品前处理在乳品中二恶英和共平面多氯联苯同时测定中的应用张磊，李敬光，吴永宁，赵云峰(中国疾病预防控制中心营养与食品安全所，北京 100050)摘要：采用索氏提取及自动净化处理系统对乳品进行提取和净化，在高分辨气相色谱-高分辨双聚焦质谱仪上进行定性和定量检测。

In this thesis, researches have been made on the structure of membrane protein and the process of protein aggregation and disaggregation by employing the two advantages of atomic force microscopy : nanometer resolution in liquids and in situ observation following a biological dynamical process during a long period. This thesis consists of four parts.

本论文利用原子力显微镜能够在溶液中观察生物大分子的结构并可以达到纳米级分辨率和能够在近生理的环境中对生物样品的活性过程进行跟踪观察的两大优势分别对膜蛋白的结构和蛋白质积聚、解聚的过程进行了研究。

Cold maceration before fermentation; alcoholic fermentation with endogen yeasts; 27-days vatting with micro-oxygenization; Malo-lactic fermentation in vats; 12-months ageing in French oak barrels.

酿造过程：低温浸泡技术，用茎类酵母进行酒精发酵，在桶中放置27天进行微观氧化和宏观的乳汁蒸馏和发酵。在法国橡木桶中陈酿12个月。

Then, N-for-aspartame was obtained from the reaction of 3-formyl-4-carboxymethyl-1,3-oxazolidine-5-one and L-phenylalanine methylester hydrochloric acid under sodium acetate anhydrous in ethyl acetate, and the target product was prepared after removing formyl in the mixture system of hydrochloric acid, methanol and water, the yield of aspartame reaches 89.2%.

最后，用3-甲酰-4-羰基口恶唑烷-5-酮乙酸与L-苯丙氨酸甲酯盐酸盐在溶剂中进行接肽反应，然后在甲醇/盐酸混合体系中进行脱甲酰保护基，从而得到最终目标产物，产率为89.2%。

Water-rock interaction demonstrates that, a gold-boring formation , i. e., a set of light metamorphic clastic gritstone, sandy slate, and tuffaceous slate in Wuqiang Runnel Formation, Ban Stream Group, act as the source of gold deposits in South-West Hunan. The gold is originally derived from volcanic eruption materials in Wuling-Xuefeng period; for the typical single gold deposit such as Mobin, which is short of sulphide, chlorine is very important in the metallogenic process; sulphur and chlorine perform as the major negative ions to form complex ions with Au throughout the gold activation and migration movement. The complex ion of chlorine and gold may keep stable in a wide range of temperature; the physical-chemical conditions in typical geothermal fluid system are of deciding significance for gold activation, migration and precipitation.

特定体系的水岩实验证实了漠滨及整个湘西南金矿的成矿元素Au和伴生元素主要源于赋矿围岩-板溪群五强溪组的一套浅变质碎屑砂岩、砂质板岩和凝灰质板岩；首次突破传统认识，证明氯在中低温热液体系中能与Au形成稳定络合物的形式进行运移，因此氯在本区Au成矿过程中起着相当重要的作用；成矿热液流体中Au主要以金硫、金氯络合物形式在溶液中迁移，阴离子∑S、Cl〓对金的活化、迁移及沉淀起主导作用，Au的伴生元素As、Sb在热液体系中与Au形成金锑、金砷络合物有利于金的进一步活化、迁移及沉淀；中低温热液流体成矿过程中，体系的物理化学参数对Au的活化、迁移及沉淀富集起决定性作用。

First, UWPBL model(The University of Washington Planetary Boundary Layer Model) is used to retrieve typhoon's sea level pressure from sea surface winds data of SeaWinds which aboard on QuikSCAT and these strength results are analyzed. Then the variational method is applied to decompose the sea surface winds field into two parts: the vortex and irrotational environmental flow field, the UWPBL model is used again to retrieve ShanShan and YaGi typhoons' sea level pressure from the vortex flow field, the results of typhoon's central positions are analyzed by comparing the results with the results of direct retrieving, NCEP's data and typhoon annual reports. It turns out that the accuracy of the typhoon's sea level pressure central position has been obviously improved, This method offers a new idea for the study of typhoon from microwave scatterometer data.

本文首先利用QuikSCAT散射计获取的海面风场资料，利用华盛顿大学行星边界层模式对台风海平面气压场进行反演，并对其强度进行了分析；然后对获取的海面风场，采用变分方法对风场进行分解，分解出无旋和有旋风场，对分解出的有旋风场，再利用UWPBL模式对珊珊和魔羯台风的海平面气压场进行了反演，对所得结果与通常直接反演、NCEP海平面气压场及台风报文资料进行一一对比，结果表明：新的反演定位的方法对台风海平面气压场中心气压的定位精度有了大幅度的提高，此种定位的方法为散射计资料在台风中的实际应用开辟了一条新的思路。

Meanwhile, in September 2009 in the agricultural Cadre, Shandong Shouguang has some co-head of the country to conduct business training and networking remote training, daily on-line staff working 16 hours, and throughout the country co-director of communication and answer key community on how to do by law, regulate social issues run the system to explain, for them to learn information, encourage them to do in practice, an accurate grasp of social direction, a clear work plans.

同时， 2009年9月份在农业干部学校，山东寿光先后对全国部分合作社负责人进行业务培训和网络远程培训，每日工作人员在网上工作16小时，与全国各地合作社理事长进行沟通和解答，重点就如何依法办社，规范办社问题进行系统讲解，供大家学习参考，促使他们在实际中准确把握办社方向，明确工作思路。

To study the ecophysiological effects of low temperature stress on podocarpus fleuryi Hickel seedlings, two-year-old seedlings were selected as experimental material. We conducted comparative study. On the one hand, seedlings were separately placed in the plots located at the top, half-way-up and the foot of Jinyun Mountain (different altitudes at Jinyun Mountain led to the difference in air temperature) and subjected to winter low temperature stress. On the other hand, in laboratory, seedlings were exposed to simulated low temperature stress which were artificially controlled .

为了探讨低温胁迫对长叶竹柏幼苗的生理生态影响，本试验选取长叶竹柏的二龄幼苗为试验材料，在试验方法上采取了对比研究方法：一方面，利用缙云山不同的海拔造成的温度差异，分别将幼苗置于山顶、山腰和山脚下三个样地中，进行野外冬季自然低温胁迫处理；另一方面，在实验室中，利用人工控制的不同低温进行模拟低温胁迫处理。

The paper introduces PLL with elaborating its principal, the filter of the loop and the theories of noise. In the following chapter, some binds of dielectric resonator oscillators, especially, their operational principle, are introduced. And then the paper expatiates the design, emulation and the implementation of hardware of the DRVCO in this task, and the design and debugging of the PLL.

本文先介绍了锁相环，对它的的工作原理，环路滤波器的设计及噪声理论进行了阐述，然后介绍了振荡器的工作原理，分类和噪声；并在此基础上介绍了一些常见结构的介质谐振器稳频振荡器的工作原理，接着详细论述了本课题中DRVCO的设计、仿真和硬件实现，以及锁相环路的设计和调试，以及在调试中对低相噪的实现所进行的研究，并给出了结论。

Even more, in order to make the two parties to achieve an agreement, referees put off the date of handing in the appraisal report .So some courts had to modify the laws to limit the referees power in helping to bring about reconciliatory attitude In the third part of the paper ,the writer analyze China's judicial appraisal condition.

但是，由于专家的鉴定结论对法官就事实的认定具有重大的影响力，甚至代替法官从事职务性活动，使鉴定人过深地卷入诉讼之中，以至于有学者指出：实际上几乎是由鉴定人在进行事实认定，并且在进行调查和鉴定过程中常常引导当事人和解，甚至出现了以进行和解为借口而阻碍拖延提出鉴定报告的情况，不得不修改法律以限制鉴定人对当事人进行调解的权限。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。