可知的

The designated verifier signature scheme was proposed using the root problem and conjugacy search problem in the braid group. Analysis shows that it is a simple, fast and efficient scheme with security features.

介绍了辫群的基本概念和辫群中的困难问题，在此基础之上，利用辫群中左右子群的元素可交换性，提出了一个基于辫群上的共轭查找问题和p次根问题的指定验证者的签名方案，通过分析可知，该方案具有简单实用、算法速度快和高效安全的特性。

It is shown that beams of reinforced average strain distributing accord with flat section assume; The method of strengthening intension of concrete structure with reinforced materials is a feasible way. The strength of beam can be increased with the number of reinforcement materials be added; The strength of beam is affected by percentage of flexural reinforcement and the compound proportion and fashion of reinforcement materials and the number of reinforcement materials; The capability of bend and stretch and price of inner hybrid fiber is better than sole fiber and exterior hybrid fiber.

通过分析可知：加固后的梁，其平均应变的分布符合平截面假定；使用加固材料来提高混凝土受弯构件承载力的补强加固方法是有效的；构件受弯承载力随加固材料用量的增加而提高；纵筋配筋率、加固材料混杂比例及混杂方式、加固材料用量均对受弯承载力有一定的影响；层内混杂纤维的抗弯性能、延伸性能以及经济性均优于单一纤维和层间混杂纤维。

By the cooling curve and the temperature field, it can he known that, the solidification time of ribbon is 1.0×10^(-4)s, the even solidification rate of ribbon with 60 μm thickness is about 10^6K/s, and the temperature of cooling process does not obviously go back by the release of solidification latent heat. The solidification rate of ribbon is at 0.010-0.394 m/s, and it changes from high to low with the prolonged solidification time.

由冷却曲线和温度场曲线类比结果可知，带子的凝固时间为1.0×10^(-4)s；单辊快淬的平均冷却速度在10^6 K/s数量级，且凝固潜热的释放不会明显地引起冷却过程的温度回升；带子的凝固速度在0.010~0.394 m/s范围之内随凝固时间的延长逐渐由大变小。

Dendrochronology study in Kunming is feasible. RES Tree ring chronology has high sensitivity, but STD chronology can explain more population information.

5通过对云南松树轮样本的年代学和气候学分析可知，在昆明地区可以利用云南松进行树木年轮研究，所建立的树轮宽度指数年表中自回归年表的敏感性较高，但去趋势序列年表反映的群体信息更多；轮宽与气候要素的显著相关关系，使利用轮宽变化的指数年表重建气候变化的历史过程具有可能性。

The seeds could not be stored for a long time and the number of germination was 50% or so when seeds were cold stored . We can infer through analyzing the inheritance of some character of Gerbera jamesonii that the expression of red flower color of hybrids somewhat trended to that of female parents , plant height、flower diameter and flower doubleness had a declined tendency .

通过对杂交组合F1代的部分性状遗传变异情况分析可知：非洲菊舌状花瓣的红色具有偏母性遗传的倾向；单瓣性具有一定的遗传优势，重瓣型不具有遗传优势；杂交F1代的株高和花径呈趋小性衰减的趋势。

According to the system specification of DRM given by ETSI, the channel coding scheme applied to the system is a set of combination schemes of the multilevel coding and modulation.

根据欧洲电信标准化委员会提供的数字调幅广播系统说明书可知，该系统采用的信道编码方案是一套基于删除卷积码的多级编码和调制的组合方案，它机制灵活，可以针对不同的数据通道和不同的信道条件选择不同码率的分量码和星座图。

The comparison between the obtained EC50 values and toxicity data from the literature points out the good agreement between the BOD bottle test (Raphidocelis su.) and those of nine widely used test methods, i.e., Fathead minnow, Vibrio fi., Microtox, Polytox, Spriotox, Shk1, Activated sludge, Daphina ma. and Tetrahymena. In this study, log Kow values of narcosis Ι compounds (using the BOD bottle test and nine bioassays) were reported.

实验中选定DO观测终点所求得的毒性数据与其他物种进行回归分析，回归结果则皆呈现高度相关（R2值≧0.84），这可推论出藻类与其他物种的分析方法（不含Nitrosomonas）的致毒机制有很高的相关性，且可知本试验方法不仅敏感性高且与其他的物种且有良好的相关性可做为替代性试验。

In this paper, the technical conditions of preparing TiO2 ultrafine particle used as photocatalyst by Radio Frequency Plasma Chemical Vapor Deposition is studied, then suggest some methods of controlling the size and crystal type of TiO2 particles. And with the existent equipment prepare TiO2 particle taking on varies size by controlling the flow velocity of Ar as loading gaseity in the system of TiCl4+O2. By characterizing we know the particle prepared is the mix type of rutile and anatase.

本论文探讨了高频等离子体化学气相淀积法制备光催化剂用二氧化钛粉体的工艺要求，提出了一些控制粉体粒径和晶型的方法，并以现有的实验设备为基础，在TiCl_4+O_2体系中，通过控制载气的流量制备出了不同粒径的二氧化钛粉体，通过表征可知所制粉体为金红石型和锐钛型的混晶体。

The image showed that the ratio of raw material of RPC and particle distribution accorded with maximum packing density theory, and the porosity of accumulation was the least. The DSC showed the reaction rate of RPC was very fast and main hydration process focused in shorter time; SEM and X-ray showed that structure of the harden body of RPC was much denser, which mainly composed of some abnormal flat grains that got maximum packing density, and hydration products were mostly composed of Ⅲ type C-SH gel and a small amount of Ca2 and no AFt crystal.

由图象分析可知，即C原材料的比例及颗粒度符合密实堆积原理，堆积物的孔隙率达到最小；差示扫描量热分析表明，RPC的水化反应速度很快，主要的水化过程集中在较短时间内；扫描电镜及X衍射试验表明，RPC硬化体的结构非常致密，主要由一些不规则状的扁平粒子紧密堆积在一起，水化产物主要是Ⅲ型C-S-H， Ca2晶体的量稀少且没有钙矶石。

Understanding this is to understand the true meaning of Heraclitus' words: a man ought to know his own character and lead a consistent life, which will be the best life he derserves to have.

明确了这一点，可知赫拉克利特的名言的真正含义是：一个人应该认清自己的天性，过最适合于他的天性的生活，而对他而言这就是最好的生活。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。