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--Basis brasses: oxygen-free copper

--Basis brasses electrical resistivity: oxygen-free copper wire ≤0.0165Ωmm2/m

--Solder tin component:

63%Sn 37%b; 60%Sn 40%Pb; 99%Sn 1%Ag; 96.5%Sn 3.5%Ag; 62%Sn 36%Pb 2%Ag

--Solder tin melting point: 179-224℃

--Tin thickness: One-side coated≥0.02mm

--Extensibility: Soft phase≥25%, semi-soft phase≥15%

--Width error: ±0.05mm Thickness error: ±0.01mm

--Packing: paper disk, ABS cylinder, paper box for cut off

Q:Solar energy has some disadvantagesDetailed description of the problem, to help the respondents give accurate answers: Disadvantages of solar energy:The use of solar energy has its drawbacks:First, the current density is low, the sun is better, the ground floor area of 1 square meters of energy received only about 1 kilowatts. It is often necessary to set up a large number of lighting surface to meet the use requirements, so that the large area of equipment, materials, cost increases.Second, the greater the impact of the atmosphere, to bring a lot of difficulties.

Q:Or must there be built - in battery? If yes, then use the mobile phone lithium battery can?: Solar panels can not be used directly to charge mobile phones and other products. The output voltage of the charger for mobile phone and other products at around 5V, and the output voltage of the solar panel is not fixed, fluctuated, when more than 5.5V or higher, causing permanent damage to products such as mobile phone, must control the output voltage between 4.5 ~ 5.5V through the conversion circuit.Built in battery is in order to output more stable, but the premise must be configured safe and effective protection circuit and voltage conversion circuit.

Q:Advantages and functions of solar energy: The advantages of solar energy: solar energy as a new energy, compared with conventional energy it has three major characteristics: first, it is the most abundant energy source. It is estimated that in the past 1 billion 100 million years, the sun itself consumes energy in the future 2%. is sufficient to supply earth, using billions of years it is inexhaustible, inexhaustible.

Q:As a new energy solar energy has attracted more and more attention has been paid more and more practical application at home and abroad, I really want to know what are the solar energy application is very hope that we put forward their own views and even science fiction book that I want to do research on solar solar energy market in the military and political life etc.: Uses as follows:Photothermal utilizationIts basic principle is to collect the solar radiation energy, and convert it into heat energy. At present, the most widely used solar collector, there are 4 types of flat plate collector, vacuum tube collector, ceramic solar collector and focus collector (trough, dish and tower). Usually according to the temperature and the use of the different, and the use of solar thermal light is divided into low temperature (<200 DEG C), the use of medium temperature (200 ~ 800 C) and high temperature utilization (>800 C). At low temperature using mainly solar water heater, solar dryer, solar distiller, solar heating (solar room), solar greenhouse, solar air conditioning system, the temperature is mainly using solar cookers, solar thermal power generation heat collecting device, mainly using high temperature high temperature solar furnace etc..

Q:Solar energy application technology, there is no prospect: However, from a policy point of view, there is no industry like solar energy so much attention by the country. Compared with the traditional fossil energy, solar energy has obvious advantages. Therefore, the prospects are good.In a word, the future is bright, the road is tortuous!!

Q:Solar products must be in the sun: Other light sources can be used to meet the needs of the product (e.g., solar watches can be recharged by other light sources)

Q:Household solar energy productsThe product can be used at home, do not mention the solar energy, answer the water heater: Solar thermal products are solar water heaters, as well as solar heating systems (usually in the North). Solar water heaters are used in several sets of hot plate, the more common is flat solar and vacuum tube solar two, the former used more in the south, the latter used more in the north.

Q:Solar electric vehicle charging device: Performance characteristics of solar charger for electric vehicle:1 suitable for 36V, 48V configuration of the electric vehicle voltage conversion2 unique electric vehicle battery repair function, because of its continuous battery to supply electric power to prevent and remove the battery plate sulfide, recovery of battery capacity, prolong battery life, reduce the economic burden of the users.3 using the level of intelligent tracking system, the use of a new track concept, to achieve a day in the system of the sun's automatic tracking, improve the photoelectric conversion rate, increase the power supply to the battery.4 unique overvoltage protection technology to ensure the safety of charging equipment.

Q:Is there any water in the solar energy to water?: Yes, but it's best not to add water during the day

Q:Solar energy product development prospects?: 2012-2016 China solar cell market analysis and Investment Research Report1 solar water heater industry faces new integration. Industry concentration is not high, at present the country's top ten brands of solar companies together market share is less than the national market of 10%, companies want to get a larger market share is difficult. A line of enterprise and brand most high-end centralized development mode, to keep the solar intelligent and widely used will be closer, the solar water heater into the application of high-end, intelligent, integrated, brand enterprises lead the development direction of the industry's highest level and lead the industry, sales of high-end products less.

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