加工处理

Through the test,the optimal hydraulic retention time was found to be within 6h～8h,NH3-N increasing rate,within 90%~96%,and a new phenomenon of anaerobic ammoniation was found.

采用ABR工艺对肉类加工废水进行前期氨化处理，通过试验得到最佳水力停留时间为6～8h，氨氮递增率在90%～196%之间；同时发现了厌氧氨氧化这一新现象；最后对氮素、pH等水质指标在氨化反应过程中的的转化规律进行了分析，以期为肉类加工废水的生物脱氮处理工艺提供一定的理论指导。

Water quality indexes in the course of ammoniation reaction was analysed to provide theoretical guiding for the biological denitrification of meat processing wastewater .

采用ABR工艺对肉类加工废水进行前期氨化处理，通过试验得到最佳水力停留时间为6～8h，氨氮递增率在90%～196%之间；同时发现了厌氧氨氧化这一新现象；最后对氮素、pH等水质指标在氨化反应过程中的的转化规律进行了分析，以期为肉类加工废水的生物脱氮处理工艺提供一定的理论指导。

Aimed at DMU 70V model machining center by DECKEL MAHO company in Germany of Advanced Manufacturing Technology Lab, by means of 3-D graphics coordinate transformation, on the basis of the procedure of deduction of post-processing algorithm of other mode of motion axes and detailed deducing, the paper gives the post-processing algorithm for DMU 70V model machining center.

本文针对大连理工大学现代制造技术实验室购进的德国DECKEL MAHO公司出品的DMU 70V型加工中心，从三维图形坐标变换入手，借鉴其它运动轴方式的后置处理算法确定过程，通过详细的推导，得出了DMU 70V型加工中心的后置处理算法。

After analyzing the results, the best processing technique for UHP of hairtail is achieved, which is after 30 seconds of the pre-processing, holding it for 15min with the pressure of 350MPa. In this way, more than 99% of the bacterias are killed, and the preserving period of the processed hairtrail is extended to 15 days under normal temperature.

对检测结果进行数学分析后，得到了超高压处理带鱼的最优加工工艺，为预处理30s后加压到350MPa保压15min，灭菌率达99％以上，并使加工后的带鱼在常温条件下的保质期达到了15天。

Taking Master CAM as an example, the paper introduces the technique of postposition dispose for numerical automatic control programming based on CAD/CAM integration, and explains by the example the process of postposition dispose for numerical control programming, generating the numerical control programming, and then producing and machining.

以Master CAM为例，介绍了基于 CAD /CAM一体化的数控自动编程加工中的后置处理技术，以及在当前条件下如何进行数控加工后置处理。

The key technical problem of roughcast in the virtual machining environment is to handle three-dimensional shape, which includes the method of setting up geometrical model of three-dimensional shape of roughcast , the data structure that displays three-dimensional shape, process compiling three-dimensional shape, etc.

在虚拟加工环境中，毛坯的三维图形处理主要包括毛坯三维图形的几何建模方法、三维几何图形的显示数据结构和三维图形的编译处理等，提出了一种能够满足虚拟加工环境的三维图形的数据结构，给出了实现方案，实现了三维图形的环境调入和毛坯的对接等功

H.伸缩环转动环伸缩环垫片前轴封 S D / L D / S L M E C H A N I C A L S E A L P U M P S SD/LD/SL SERIES PUMPS The SD/LD/SL series are dependable, self priming pumps. The full motor horsepower is translated into fow via the shaft. These pumps are used for a wide range of applications, from chemical transfer to process solution recirculation to waste treatment. This series is capable of self-priming up ro 20 feet of lift. The mechanical seal is a self-cooling, Tefon bellows which is cooled by the solution being pumped. The construction materials and seals avaiable make this pump extremely versatile. The horizontal design has a working temperature from167℉ to 194℉(75℃ to 90℃), depending on the material of construction, and can handle most chemical solutions. The SD/LD/SL series pumps are designed to run outside the tank or process module. The SD/LD series pumps incorporate a FRPP molded base, legs and pump-to-motor casing. There are no bolts or metallic parts in contact with the solution being pumped.

SD/LD/SL泵是可靠的自吸泵，马达全部的马力经由轴心完全转化为流量，此型泵广泛地使用於从化学药水循环或加工溶液循环到废水处理等各种用途，此型泵可自吸达20英呎，机械轴封是自我冷却的，经由抽送的溶液来冷却，可供应的不同结构材质及轴封使此种泵的用途非常多样化，依其结构材料的不同，其卧式设计的工作温度由75℃到90℃(167℉到194℉)，而且可处理绝大部份的各种溶液，SD/LD/SL是设计用於槽外或加工模组之用，SD/LD加入一个FRPP射出成型的脚座，脚架及泵到马达的外罩，没有螺栓或金属会接触到所抽送的溶液。

Here make further analysis and comparison with the traditional processing welding spark mosaic surface electric sparking, CAD/CAM intergneated techniques used in the fabrication of two halt mold and introduced techniques of chrominum plating, sand blast and spraying dry ice for surface treating the developing trend of tire mold prospected.

对传统轮胎两半钢质模的加工工艺和焊花、镶花轮胎模具的加工工艺，电火花加工轮胎模具技术，CAD/CAM集成技术在模具加工的应用作了剖析和比较。轮胎模具型腔的镀硬铬、喷砂和喷干冰表面处理技术也一并作了介绍。探讨和展望了轮胎模具设计制造的发展趋势。

In this study, a commercial CAD/CAM Software is used to plan and generate the multi-axis tool path, and a table rotating/tilting type five-axis machining center is used to perform the experimental machining operation. The material of the die studied is NAK 80 die tool steel, and the geometries are modeled as concave and convex spherical surfaces. Milling parameters considered are spindle speed, feed rate, and different types of cutting tool path. The experimental results show that the surface roughness for concave spherical surface is about 0.247 μm and roundness is about 0.0283 mm and the surface roughness for convex spherical surface is about 0.250 μm and spherical roundness is about 0.0551 mm under the cutting conditions mentioned in this study.

本研究的实验方法与步骤包括利用商用CAD/CAM系统针对实验对象规划三轴/五轴同动加工路径，并经后处理程式转换，在本实验室之平台倾斜/旋转型之五轴加工机上进行实验，实验对象为NAK80模具钢材料之凹与凸球形曲面之加工，此外考虑的切削条件有主轴转速、进给速度、加工路径等，在本研究所设定之最佳切削条件下，凹球形曲面之真圆度约为0.0283 mm，粗糙度为0.247 μm，而在相同切削条件下，凸球形曲面之真圆度为0.0551 mm，粗糙度为0.250 μm。

Technological superiority:"saving energy, reducing dust, green environmental protection" is our consistent goal of scientific research personnel through the company's unremitting efforts, we developed extruded fish meal, blood meal, feather meal production line with the traditional processing methods than with less equipment investment, processing low-cost, non-polluting process, product palatability, and high rate of digestion and absorption characteristics; Extruder screw, gas plug, such as the service life of wearing parts is a measure of the merits of Extruder key performance indicators, U.S. Extruder wearing parts and the use of special wear-resistant material with a special deal with the characteristics of long life; we develop SJWK-type feed processing equipment Hebei Feed Industry Association recommend designated as high-quality products and by patent country.

技术优势：&节能降耗、减少粉尘、绿色环保&是我们一贯追求的目标，经过公司科研人员的不懈努力，我们开发的膨化鱼粉、血粉、羽毛粉生产线与传统加工方法比具有设备投资少、加工费用低、加工过程无污染、产品适口性好、消化吸收率高等特点；膨化机的螺旋、气塞等易损件的使用寿命是衡量膨化机性能优劣的关键指标，我们的膨化机易损件采用特种耐磨材料并经特殊处理，具有寿命长的特点；我们开发的SJWK型饲料加工设备被河北省饲料工业协会指定为名优推荐产品，并获国家发明专利。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。