超声波

Keywords apple seed oil;ultrasound;GC-MS analysis;physical-chemical properties

苹果籽油；超声波；气质联用分析；理化性质

We have extracted apple seed oil by using ultrasound and studied the effect of the parameters, such as the power, the temperature and extracting time of the ultrasound as well as the particle size, solvent dosage on extraction rate by using the single factor and orthogonal design.

应用超声波法提取苹果籽油，采用单因素和正交设计法研究了超声功率、超声温度、超声时间、物料粒度和溶剂用量对苹果籽油提取率的影响，研究结果表明，在超声强度为175W，超声温度为60℃，超声时间为30min，溶剂用量为8mL/g，物料粒度为60目的条件下，苹果籽油平均得率为26.5%。

A silent communications system in which nonaural carriers, in the very low or very high audio-frequency range or in the adjacent ultrasonic frequency spectrum are amplitude- or frequency-modulated with the desired intelligence and propagated acoustically or vibrationally, for inducement into the brain, typically through the use of loudspeakers, earphones, or piezoelectric transducers.

在一个无声的通讯系统中，一个非常低或者非常高的音频，或者接近超声波的频率，其波幅或者频率被调节到具有相当被理解能力并以合适的振动方式或者以听觉传输的方式来刺激一个昏睡者的大脑。典型的装置是用扬声器，耳麦，或者变压器。

If not carried out before the B-type ultrasonic inspection, this inspection is very necessary.

如果之前没有进行B型超声波检查，这时检查是很必要的。

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粤东最具规模、档次最高的水疗健康中心――&汕头世贸水疗中心&面积达4000多平方米，拥有男女宾水疗区，配备热带雨林浴、超声波泡泡浴、漂浮浴、涌泉气泡浴、漩涡池浴、鸭嘴按摩浴、按摩躺椅浴、休闲浮浴、桑拿干蒸、湿蒸、冰池、脚底按摩服务项目，聘有专人培训技师为您展示精湛按摩手艺，为您减压放松、身心康泰。宾客休息区及独立房间，典雅舒适，配备独立液晶电视的豪华太空椅，免费为客人提供卫星节目服务，让您了解最新各地潮流和商务资讯。

As well as a well-trained workforce; leading products have: 1200W-3200W power range of the ultrasonic welding plastic; foot double needle micro precision spot welder; battery voltage tester with overcast; lithium battery protection board testing equipment.

以及一支训练有素的员工队伍；主导产品有：1200W-3200W各种功率的超声波塑料焊机；脚踏双针微电脑精密点焊机；电池电压内阴测试仪；锂电池保护板测试仪。

The third,when ultrasonic transmiss in different bed plane on sandstone,P-wave and S-wave velocity and attenuation have different change.

第三，超声波在砂岩不同的层理面方向传播时，纵、横波的速度和衰减发生了不同的变化。

Main Productsèêitems: one, production and processing a variety of vacuum forming blister cover, blister Clamshell, blister pack, blister box, blister box manual folding. 2, sales Blister packaging whole plant equipment, high-frequency plastic welder, ultrasonic plastic welding machine, blister packaging machine hot, high-frequency mold, bakelite mold packing heat. 3, the United States agent Enos Innov-X ROHS detector, alloy analyzers, analyzer 4 ore, agent, laboratory testing equipment: tensile testing machine, rubber plastic, electrical and electronic categories, shoe leather, environmental categories, such as precision instrumentation.

厦门永鸿晖科技有限公司主要产品项目： 1、生产加工各种真空成型吸塑罩、吸塑泡壳、吸塑套、吸塑盒、吸塑手工折盒。2、销售吸塑包装整厂设备，高周波塑胶熔接机、超声波塑料焊接机、吸塑包装热合机、高周波模具、吸塑热合电木模。3、代理美国伊诺斯Innov-X ROHS检测仪，合金分析仪，矿石分析仪4、代理实验室试验仪器：拉力试验机、橡塑胶类、电子电气类、鞋业皮革类、环境类等精密检测仪器。

100KW factory specializing in the production of the following high-frequency machines, leading products: Automatic Blister molding machine, whole plant equipment ,5-30KW automatic synchronization slip Units fuse machine, double-headed synchronous machine fuse ,4-100KW automatic sliding Units welder, 4-15KW single turntable welder ,2-15KW welder-type double-headed foot, 8-25KW welder canvas ,4-15KW shielded single slip Units, rotary high frequency welding machine. 8-15KW environmental protection welder dedicated PET material, PP, PET, PVC plastic fuse box dedicated machines, ultrasonic plastic welding machine and so on.

本厂专业生产100KW以下高周波机器，主导产品：全自动吸塑成型机、整厂设备，5-30KW全自动滑台同步熔断机、双头同步熔断机、4-100KW全自动滑台熔接机，4-15KW 单头转盘熔接机，2-15KW双头脚踏式熔接机， 8-25KW帆布熔接机，4-15KW屏蔽式单头滑台、转盘式高周波熔接机。8-15KW环保料PET专用熔接机，PP、PET、PVC胶盒专用熔断机，超声波塑焊机等。

The factory has a modern professional test block production lines, mold production lines, with high-precision optical coordinates boring machine, CNC EDM, line cutting, CNC lathes, milling machine, processing center, with high-precision surface grinder, both inside and outside grinder, Curve grinder, NC engraving machine, and try block flat bottom hole covered inspection techniques, porous high-precision measuring instrument and multi-digital, analog ultrasonic flaw detector, test equipment, such as complete sets of professional quality equipment Bai Yutai, with more than 10 heat treatment equipment Taiwan, and has strong new product development capacity.

本厂具有现代化的专业试块生产线，模具生产线，拥有高精度光学座标镗床、数控电火花、线切割，数控车床、数控铣床、加工中心，拥有高精度平面磨床、内外圆磨床、曲线磨床、数控雕刻机，以及试块平底孔覆膜检验技术、微孔高精度测量仪，多台数字、模拟超声波探伤仪器、专业成套检测仪器等优良设备百余台，拥有热处理设备十余台，并具有较强的新产品开发生产能力。

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。