在标准以下

The experimental result shows that, when 200～400 g/t hydroxylapatite adsorbent is used and the stirring time is longer than 60 minutes at normal temperature, the mass density of Pb 2+ in chrome yellow wastewater is reduced to lower than 0.5 mg/L, which comes up to the standard of industrial drain water (1.0 mg/L).

羟基磷灰石吸附剂对铬黄废水中Pb2 +吸附的间歇实验结果表明：当每吨废水中吸附剂用量为 2 0 0～ 4 0 0g时，常温搅拌 6 0min后，在弱酸性或中性废水中，铅离子质量浓度由2 。74mg/L降至 0 。5mg/L以下，完全符合GB8978- 1996工业废水排放标准 1.0mg/L。

In the paper four aspects have been studied:(1) tree and distributing, belonging to the correlative contents of the dendrology,(2) the macroscopical character in virtue of magnifier and entitative microscope observing the three sections (cross section, radial section and tangential section );(3) the microcosmic character, in virtue of light microscope observing slices.

本文从以下四个方面进行了研究：(1)树木及分布，树木学方面相关的内容；(2)木材宏观特征，借助扩大镜和实体显微镜，在木材的三个标准切面，即横切面、径切面和弦切面上进行观察；(3)木材微观特征，借助光学显微镜观察切片。

And it presents in the following respect mainly; Firstly, the idea and mode of thinking can't suit the need of the new developing situation; Secondly, training policies and regulations system of the civil servant is not perfect, and it need to strengthen further in accordance with the law; Thirdly, the training system is not obeyed, organization structure is standard, training's standard is not unified; Fourthly, training's fund is insufficient, the teaching equipment is outmoded, the teaching means lags behind; Fifthly, target quality raise constantly, give training propose high demand; Sixthly, train teachers' team is unstable, the structure is unreasonable, whole quality remains to improve, the teaching method remains to improve; Seventhly, the cycle of renewal of knowledge accelerate, training materials, course offered can not catch up with the demand for development of era, can't meet need of civil servant's training; Eighthly, with the execution of educational industrialization and coming of training mercerization, targets face the challenge of the competition; Ninthly, there is less communication between the educational organizations, information does not flow smoothly; Tenthly, the function of scientific research and consult doesn't affect play enough, and the study of civil servant train theory is insufficient; Eleventhly, training content is not norm, and training method is not advanced.

主要表现在以下方面：一是观念和思维方式不能适应新形势发展的需要；二是公务员培训政策法规体系不完善，依法培训有待进一步加强；三是培训工作体制不顺，机构设置不规范，培训标准不统一；四是培训经费投入不足，教学设备陈旧，教学手段落后；五是培训对象素质不断提高，给培训工作提出了更高要求；六是培训师资队伍不稳定，结构不合理，整体素质有待提高，教学方法有待改进；七是知识更新周期加快，培训教材、课程设置跟不上时代发展要求，不能适应公务员培训需要；八是教育产业化的实施和培训11市场化到来，培训对象面临竞争的挑战；九是施教机构之间缺乏沟通，信息不流通；十是科研、咨询功能发挥不够，公务员培训理论研究不深；十一是培训内容不够规范、培训方法不够先进。

The main research work of this paper are focused on following areas:(1) Based on review of the theory and methods on measurements of particle fields, a new idea for obtaining particle size and velocity distribution within a spray through imaging the particle field with a laser light sheet was put forward;(2) A DPIV (Digital Particle Image Velocimetry) system, is fit for velocity measurements of low speed flows, was developed and expended to particle size distribution measurement;(3) An arithmetic for particle velocity field reconstruction was developed, and the velocity distribution of water mist was also obtained;(4) A software system for particle analysis, which based on image geometry emend, de-noise and image partition was developed, the parameters such as particle size distribution, mean diameter, number of particles, minimum and maximum diameter can be got with this system;(5) A water mist system was developed and its characteristics, such as droplet velocity, size distribution, number of droplets and spray cone angle under different conditions were obtained from experiments with PIVS;(6) The measurement results of water mist characteristics with PIVS were compared and analyzed with the simply simulated results, and in addition, in order to verify the accuracy of PIVS, some experiments were conducted with the standard particles, such as glass-ball with known mean diameter of 50μm and 115μm, metallic coated tracing particle with mean diameter of 12μm;(7) Some experimental studies on interaction of water mist with liquid pool fires were conducted.

本论文的主要工作包括以下几个方面：（1）在对粒子场测量的相关理论和具体方法进行综述分析的基础上，提出了通过采用激光片光对粒子场进行成像以获取其粒径和速度等参数分布的新思路；（2）研制了适宜于低速流动速度场测量的DPIV(Digital Particle Image Velocimetry)系统，并使其实现了对粒子场粒径分布的测量功能；（3）研制了基于粒子运动轨迹的速度场重建算法，获取了细水雾雾场的速度分布；（4）研制了基于几何校正、去噪、图象分割等图象处理方法的"粒度分析软件系统"，该系统既可分析给出粒子场的粒径分布直方图和平均粒径，还可给出粒子的数目以及最大、最小粒径等信息；（5）建立了一细水雾发生系统，并应用上述方法对不同压力条件下细水雾系统的雾场特性（如速度分布、雾滴粒径分布、雾滴的数目、喷雾张角以及雾化长度等）进行了实验测量研究；（6）对细水雾特性参数的PIVS测量结果与计算机简单模拟计算结果进行了定性比较分析，并利用平均粒径为50μm和115μm的玻璃球以及12μm的标准示踪粒子对PIVS系统的粒径和速度测量结果进行了实验验证，同时对其局限性进行了分析讨论；（7）对不同工况条件下细水雾与油池火相互作用的过程进行了模拟实验研究。

For instance, in the Foxfire method on-going reflection, assessment and evaluation are very important. In the class we were given examples and materials that explain how this can be more fully integrated into a project.

我们打破了以往的以课本为标准，以教师为中心的教学思路，取而代之的是完全以儿童的认知结构为中心的一种新的教学思路，主要体现在备课上，主要包括以下几个方面

The problems the traditional translation study explored are concentrated on the following aspects: traditional criteria, the argument between "metaphrase" and "paraphrase", the problem of translatability and untranslatability, and the style in literary translation.

传统的翻译研究探讨的问题往往集中在以下一些问题上：翻译的标准问题，翻译的"直译"与"意译"问题，翻译的可译性和不可译性问题，文学翻译的风格论问题等。

Microcephaly, characterized by a reduction of brain mass and head size with an intact bony calarium, is defined as a fetal head circumference either 2^57 or 3^58 standard deiations below the mean of that expected for menstrual age.

具有脑质量减少、头体积变小、有完好颅盖骨特征的头小畸形的定义是胎儿头围在胎龄预期均值的2^57 或3^58个标准差以下。

The statistical result shows that the mean and standard deviations of the relative difference between the MBRO and radiosonde below 2100m are -2.0% and 7.3%, respectively.

统计结果显示，在2100 m以下，山基掩星折射率与探空折射率相对偏差的平均值为-2.0%，标准偏差为7.3％。

Taiwan had no standard until last week, when it set a tough limit of 0.05 parts per million.

台湾上周第一次颁布相关规定，将安全标准限制在0.05ppm以下。

A systematic literature search of PubMed, MEDLINE, BIOSIS, EMBASE, and Cochrane EBM databases during the period of 1990–2007 was made, objective being the randomised controlled trials in patients with AMI who underwent primary percutaneous coronary intervention and received intracoronary BMSC transfer, and were followed up for at least 3 months.

目前，冠脉内自体骨髓干细胞移植在AMI的临床应用仍存在较大争议。研究者检索了1990年至2007年间PubMed、MEDLINE、BIOSIS、EMBASE和Cochrane EBM等数据库收录的文献，根据以下标准纳入临床研究：以AMI症状出现24小时内接受PCI治疗者为研究对象；试验设计体现随机对照原则；移植细胞种类为非动员的自体骨髓干细胞；具有3个月以上的随访资料。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了