Is Yuan Feng Xing Ye silicone cooking bag priced the lowest?
Shenzhen Yuan Feng Xing Ye Technology Co.,Ltd.has developed the business in a brand-new way and has won many honorary qualifications in the industry. Now we enjoy a large influence in the industry. Yuan Fengis located in the area with traffic convenience, which is good for timely delivery of the products. With rich manufacturing experience and strong production capability, Yuan Fengis able to provide professional solutions according to customers' actual needs. ODM services are in offer at .
Why does a signal with small noise introduce high-frequency noise after passing through the first-order active low-pass filter? There are generally several situations,The power supply is not clean,Bad circuit shielding,There is self-excitation.From the circuit,First-2 times magnification,Clutter is non-linear,And in the first half of the week,Similar to the modulation state,There will also be problems with amplifier failures,I have encountered the same situation.
Self made water filter-how to make water filter? Self-made water filter is a necessary means to survive in the wild,1. preparation materials: a pair of scissors, a piece of gauze, a pile of fine sand, charcoal, an empty plastic bottle, some gravel, a water container (Cup), a rope and so on.1 subtract the bottom of the empty plastic bottle with scissors,Drill multiple small holes on the plastic bottle cap (usually 7 to 10 is enough );2 Cut the clean gauze into a square shape (about 3 to 4 pieces stacked ),The flat cushion is in the bottle cap,Close the lid;(3) grind charcoal with gravel,Make it powder,Then put it in the bottle in order 3-Fine sand, charcoal, fine sand, charcoal, fine sand, 5 cm thick (About 5 to 7 floors ).Such a simple water filter is successful.3. inspection experiment: take unclean water,Such as toothpaste water, foot washing water, face washing water Slowly put into the homemade simple water filter,It is fixed with a rope in a place where the trunk is not easy to shake,Set