研究了超声振荡技术应用于乙酸萃取硅灰石时的钙离子萃取率。
The use of ultrasonic vibration in acetic acid extraction of Ca2+ from wollastonite increased obviously the extraction ratio of Ca2+ ion.
研究了纳米氧化铁颜料的制备工艺，采用超声振荡和固相法相结合的方法合成纳米氧化铁。
Through orthogonal experimental design, the preparation of iron oxide nanometer particles by ultrasonic-solid phase reaction was studied.
以两种典型结构为例，比较了超声波接近传感器与高频振荡型接近传感器的差异性。
With two of typical structures as example, The difference between ultrasonic proximity sensor and inductance-type proximity sensor is compared.
采用对所研制的粘结剂进行超声波振荡及混砂时加入有机高聚物yppj对铝镁硼复合磷酸盐铸造粘结剂热硬砂进行改性。
The heat cured sand of Al-Mg-B compound phosphate inorganic binder was modified by ultrasonic oscillation to binder and adding organic polymer YPPJ while mixing of sand.
以时差法为例，分析了超声波探头中超声射线入射角及振荡频率对测量精度的影响，给出了探头的选择原则。
This paper analyzes the influence of incidence and oscillation frequency of ultrasonic sensor on measuring accuracy. The option principle of ultrasonic sensor is presented.
文中以时差法为例，分析了超声波换能器中超声射线入射角及振荡频率对测量精度的影响，给出了换能器的选择原则。
The paper analyzes the influence of incidence and oscillation frequency of ultrasonic sensor on measuring accuracy and the choose principle of ultrasonic sensor is presented.
超声波振荡检测了氧化铝涂层的附着牢固度。
The fastness degree of coating was determined by ultrasonic vibration.
目的：探讨采用草酸铵作为提取溶剂和超声波振荡处理法提取菠萝皮渣果胶的工艺条件。
Objective An extraction process for pectin from pineapple residue was studied using ammonium oxalate as the extraction solvent combined with ultrasonication.
在超声速或高超声速绕流中，一种很严重的脉动压力环境是由激波边界层相互作用引起的激波振荡。
One of the more severe fluctuating pressure environments encountered in supersonic or hypersonic flows is the shock wave oscillation driven by interaction of a shock wave with boundary layer.
用超声技术提取沉积物样品中松散结合态磷，并与振荡提取结果进行比较。
Ultrasonic vibration technology was used to extract loosely sorbed phosphorus fraction in the sediments from Guanting Reservoir.
介绍了用超声波振荡法能使可吸入颗粒物中的阴离子完全溶解在水中，然后用离子色谱法测定，可获得良好的准确度和精密度。
Anion in inhalable particulate matter can be completely dissolved in water by using ultrasonator and then measured by ion chromatography. Good accuracy and precision can be obtained.
对土壤样品中吡虫啉快速压力溶剂萃取技术（PSE）与传统提取方法（超声波萃取、振荡提取和索氏萃取）进行了对比研究。
Pressurized solvent extraction (PSE) of imidacloprid in soil comparing to traditional method such as ultrasonic extraction, shaking extraction and Soxhlet extraction were studied.
方法 采用机械振荡法制备正电荷氨基化超声微泡（MB-NH2）。
Methods Positive charge of amino ultrasound microbubbles (MB-NH2) were prepared with mechanical shaking.
本实用新型涉及一种双极式超声波换能器，它由紧固件、反射板、压电晶体、单向输出板、振荡放大电路等组成。
The utility model relates to a two-polarity ultrasonic transducer, composed of a fastener, a reflecting plate, a piezocrystal, a sound direction output plate, and an oscillation amplifying circuit.
采用自由振荡法数值模拟了平头、钝头外形的超声速俯仰振荡时间历程，并应用奇异分解线性最小二乘法辨识稳定性导数，得到动导数随马赫数和攻角非线性变化的规律。
The dynamic derivatives conception is used as the index for the vehicle stability, but it is looked as the function of angle of attack and Mach number to induced nonlinear characteristics.
方法：通过X -射线衍射(XRD)分析比较超声波振荡几种不同季铵盐对蒙脱土进行有机改性的效果。
Methods: Comparing the effect of organization modification by XRD analysis. Results: It showed that interval-distance of CTAB is larger than that of DDTAB.
目的：探讨采用草酸铵作为提取溶剂和超声波振荡处理法提取菠萝皮渣果胶的工艺条件。
Study is made of a new process for directly extraction of the cobalt oxalate from ammonium oxalate in the acid solution directly dissolved from lithium cobaltate.
目的：探讨采用草酸铵作为提取溶剂和超声波振荡处理法提取菠萝皮渣果胶的工艺条件。
Study is made of a new process for directly extraction of the cobalt oxalate from ammonium oxalate in the acid solution directly dissolved from lithium cobaltate.
应用推荐