超声波

Production and sales companies: particle detector strength, freeze-drying machine, snow ice machine, glass reactor, rotary evaporator, electronic balance, ultrasonic cleaning machines, ice making machine, industrial ice-making machine, constant temperature and humidity box, microscope several significant oil bath temperature pot / water bath pot, Ma fluoride furnace, low temperature cooling liquid circulating pump, circulating water-type multi-purpose vacuum pump, mold incubator, biochemical incubator, constant temperature incubator, vacuum oven, blast oven, super - net workbench, biosafety cabinets, magnetic stirrer, centrifuge, ultrasonic cell pulverizer, ultra-pure water machines, autoclaves, laboratory various beaker, Bio-Rad power supply, test-bed, constant temperature circulator, low temperature cycle at high pump, pesticide Tachometer, UV analyzers, liquid machine, PCR device, liquid chromatography, weather chromatograph, total acidity / PH, the spectrophotometer, ultra-low temperature refrigerators, constant-current pumps, rotary vane type vacuum pump, auto parts traps, low-temperature thermostat bath; and other products.

公司生产销售：颗粒强度测定仪，冷冻干燥机，雪花制冰机，玻璃反应釜，旋转蒸发器，电子天平，超声波清洗机，冰块制冰机，工业制冰机，恒温恒湿箱，显微镜，数显恒温油浴锅/水浴锅，马氟炉，低温冷却液循环泵，循环水式多用真空泵，霉菌培养箱，生化培养箱，恒温培养箱，真空干燥箱，鼓风干燥箱，超净工作台，生物安全柜，磁力搅拌器，离心机，超声波细胞粉碎机，超纯水机，高压灭菌器，实验室各种烧杯，电泳仪电源，实验台，恒温循环器，低温循环高空泵，农残速测仪，紫外分析仪，移液枪，PCR仪，液相色谱，气象色谱仪，酸度计/PH计，分光光度计，超低温冰箱，恒流泵，旋片式真空泵，自动部分收集器，低温恒温槽；等系列产品。

The optimum conditions for extraction was proved practicable by condition filtration and orthogonal design with supersonic wave method .The results showed that the optimum conditions for extraction to ultrasonic method is : methanol (φ=40,20ml),and 15℃ for 30 min ,this paper has determined nicotine contents that is 23.50mg/g at absorption peak (λ=262nm) by HPLC with an eluent consisting of methanol –potass Phosphate alleciate (pH=3) with the recovery and coefficient of variation are 101.52% and 0.91%.

通过超声波提取方法进行条件筛选和正交化实验，确定了烟草中尼古丁的最佳提取条件，结果表明，超声波最佳条件是：甲醇浓度40%，固液比1：20，提取时间30 分钟，超声温度15℃，用高效液相色谱方法在波长262nm 处测定尼古丁的含量，流动相组成为甲醇：磷酸二氢钾缓冲溶液=10：90，测得烟草中尼古丁的含量为23.50 mg/g，平均回收率为101.52%，相对偏差为0.91%。

Secondly, the paper introduced how to implement safety detection by ultrasonic sensor, and presented systemically all the design of collecting and processing signals, storage circuit, lithium battery charging and discharging circuit, data communication circuit, keypads and LCD. This paper studied the code of uC/OS-II and introduced how to port uC/OS-II onto LPC2214. The Real-Time Kernel uC/OS-II is a highly portable, ROMable, very scalable, preemptive real-time, multitasking kernel for microprocessors and microcontroller.

然后论文具体介绍了如何实现超声波传感器进行实时安全监测，并系统的介绍了超声波监测系统的信号采集，处理，存储电路，锂电池充放电控制电路，数据通讯电路，键盘，显示器等的设计；也详细的介绍了多任务操作系统uC/OS-II的源代码及如何在LPC2214上移植等。uC/OS-II是一个移植方便的、可固化的、可裁剪的、占先的多任务实时内核。

In this paper, a new and novel method has been introduced to degum apocynum venetum, that is to pretreat apocynum venetum with microwave, and then ret with low-frequency ultrasonic and high-frequency ultrasonic under alkaline condition.

文章针对罗布麻胶质含量高，脱胶比较困难的特点，介绍了一种新型的脱胶方法，即利用微波预处理、低频超声波和高频超声波相结合的方法对罗布麻进行脱胶处理。

The results indicated that both heating and ultrasonic pretreatment can increase the degree of hydrolysis of duck meat proteolysis.

结果表明，热处理和超声波预处理都可以提高鸭肉蛋白的水解度，相比较而言，超声波预处理时水解度的增加更加明显。

The effect of heating and ultrasonic pretreatment on duck meat proteolysis were studied by assaying the degree of hydrolysis.

实验对鸭肉浆分别进行热处理和超声波预处理，通过测定鸭肉水解后的水解度，探讨热处理及超声波预处理对鸭肉蛋白酶法水解的影响。

The Radiographer / Ultra-sonographer's role is to independently perform radiographic / ultrasonic examinations and produce images of diagnostic quality for radiological reports with due regard to patient welfare, clinical responsibility, radiation protection and effective use of technology.

放射影像技师/超声波检查技师的职责是独立操作并完成放射影像/超声波的检查并制作可用于相关诊断的影像图片，作为放射影像报告的参考。同时也要考虑和兼顾到病人的利益，相关临床职责，辐射保护和对技术的有效运用。

In this paper, ultrasonic transmission distance and of time, using AT89S52 micro controller and data processing, designed to accurately measure the distance between two ultrasonic range finder.

详细说明：本文利用超声波传输中距离和时间的关系，采用AT89S52单片机进行控制及数据处理，设计出了能精确测量两点间距离的超声波测距仪。

According to characteristic of ultrasonic spreading in the air, the data disposal method of ultrasonic range finder, the hardware realization of the equipment and the method of temperature compensation used in order to improve the measuring precision had been discussed.

根据超声波在空气中的传播特性，重点讨论了超声波测距的数据处理方法、装置的硬件实现以及为提高测量精度采用的温度补偿方法。

This paper studies the test of the dry reaming technology by applying ultrasonic vibration to the reamer.

通过将超声波能量施于铰刀，使其以超声频振动进行干式铰孔的工艺方法，试验研究超声波激振干式铰孔对加工精度、表面粗糙度的影响规

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。