An apparatus for the measurement of photoplethysmograph (PPG) using ambient light as the light source, whose characteristic is that the light source is not embedded in the apparatus. Photoplethysmograph reflects the changes in the blood volume in the human peripherals. It can be applied to the noni.....
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1、 等离子点火系统中： 等离子喷枪采用目前国际先进的管状等离子发生器，它属于旋气稳定压缩的等离子发生器。从热效率角度看，管弧等离子发生器比同轴磁稳式等离子发生器的热效率高10%左右，管状电弧加热器的电极烧损率低、电极寿命长、气流污染小。供电装置采用IGBT晶体管整流电源，功率因数可以达到0.95以上，最大限度减少电网中的无功功率，同时最大程度的减少对电网的谐波干扰。煤粉燃烧器采用多级浓缩方式。各级浓缩器之间的距离可以进行调整，从而保证了煤粉的浓缩效果，达到等离子点火最合适的煤粉浓度。等离子喷枪与煤粉燃烧器同轴，保证等离子喷枪电弧火焰与煤粉运动具有相同的轴向方向，同时还能够卷吸煤粉，使等离子喷.....
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this invention relates to a novel extract of Garcinia esculenta were found to show cytotoxicity against human cancer cells
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Silica coated super-paramagnetic iron oxide particles with diameters ranging from 4 to 10 nm with different functionalities on the thin silica layer surface are prepared. These nanoparticles with amine functional peripheries increase intracellular cells (including mesenchymal stem cells) labeling ef.....
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The present invention discloses the utility of factions and compounds from Polygonum chinense Linn in anti-diarrhea. The invention also includes their preparation and application method for anti-diarrhea treatment
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