If you don't want to get pregnant, you have to get pregnant, and you have to take some safety measures. Normally, contraception is condoms and emergency contraception. However, because emergency contraception has a lot of side effects on the body, condoms have become the best option for everyone. The condoms we've heard of before are …
What is a female condom? Can Condoms Prevent AIDS? Read More »
Engineers have developed a modern solar cell with record voltage and efficiency for its kind. These all-peroxide series solar cells or solar pv cables use two layers of peroxides that can take advantage of different wavelengths of light, plus a special surface treatment that reduces energy waste. In photovoltaics, peroxidase is a particularly promising material …
Also because of this, in the video of the doll, other, is the baby owners of the current persuasion. Today, the development of life-size dolls has gone through a history of 20 years in China, and its adult color is gradually faded, replaced by BJD (refers to a variety of relatively tiny delicate and movable …
It's not that the electrons don't fall to the nucleus, but typically they don't fall to the nucleus, otherwise the atom is too unstable. But under the right conditions, electrons can fall to the nucleus, but it takes a lot of energy. Here's a layman's explanation of why this is so. First of all, say …
A netizen commented that the same phone, Samsung Note9, saves battery power far more when plugged into the mobile card alone than when plugged into the Unicom card alone. Online, wifi is also used in this case. This IS THE BATTERY LIFE OF THE MOBILE CARD INSERTED YESTERDAY AFTERNOON UNTIL 8:20 AM TODAY. Besides SCROLLING …
Use mobile phone card, save electricity more than Unicom telecom card? Read More »
Hardware FITTINGS IS THE SMALL HARDWARE THAT SHOWS METAL TO PASS THE PROGRAM SUCH AS STAMPING TO MAKE AND BECOME, WAIT LIKE GASKET, RIVET, BUTTON. These hardware products are widely used in all walks of life, people's production, life. What are those areas? First, clothing bags The buttons and rivets in the hardware accessories are …
What are the application areas of hardware accessories? Read More »
Scientists have long predicted that electrons can flow like water, but this behavior has never been observed. Now, Israeli scientists report in the latest issue of the journal Nature that they have observed this strange behavior for the first time, in a new study that could lead to low-power electronic devices. Professor Shahar Irani, of …
Seeing is believing: Electrons really do flow like water Read More »
With the rise of artificial intelligence, intelligent chips have been developed vigorously in recent years. Compared with traditional chips, smart chips are larger in scale, more complex in structure and more powerful in computing power, which can provide new technical support for complex intelligent processing requirements such as large data volume, multi-task and high throughput. …
What are the well-known smart chip brands on the market Read More »
A dc voltage regulator power module consists of four parts, respectively is the transformer, rectification, filtering and voltage regulator, about the transformer, rectification, filtering, in the previous article has been roughly introduced, also a voltage regulator, this paper focuses on the regulator circuit. The circuit through the voltage regulator, the output waveform can be basically …
I believe that we are not unfamiliar with diode, on two legs, perhaps, engaged in electrical professional you can see it every day. Diode has two legs, a Yin and a Yang, the anode is a, the cathode is K, pay attention to its drawing and marking, wiring do not make the wrong polarity, or …
