Energy Saving Most glass greenhouses now use systems that burn natural gas to concentrate water supply and heat. Part of the exhaust gas generated by the combustion can also be fully reused. The use of pipes to introduce carbon dioxide from the combustion of natural gas into glass greenhouses can be used for production because carbon dioxide can promote photosynthesis and growth of plants. To save energy, glass greenhouse vegetable growers have reached an agreement with the government that by the year 2000, energy efficiency will increase by 50% over 1980. Today, energy efficiency has increased by 37% compared to 1980. The agreement also guarantees that carbon dioxide emissions by the year 2000 will be 3% lower than in 1990. Increasing energy efficiency can be achieved by increasing unit production or saving energy. An energy-saving method is greenhouse warming, the use of protective curtains that can be performed along the walls and above the crops at night to improve the insulation effect. Combined heat supply systems More and more growers are using combined heat supply systems. To achieve this goal, they built a total energy plant so that they could produce both heat and electricity. It generates much more heat and electricity than a device that separately supplies heat and electricity. Vegetable farms generally produce more electricity than they actually need, so the remaining electricity can be sent to public power stations. More and more glass greenhouses now obtain the required heat from third parties. The heat comes from companies that produce more heat than they need. Today, 6% of greenhouse heating power is provided by this method. At the end of the last century, the Netherlands established its first auction market. The auction market is the place where sellers and buyers conduct transactions. The auction market is an organization in the form of cooperatives and belongs to growers. Growers want to show buyers their strong united front in this auction market. The seller on the auction market is a grower, and the grower himself is not necessarily present, and the sale is operated by an auction cooperative. Buyers are exporters, wholesalers and vegetable brokers. Vegetable brokers do not often participate in auctions themselves, but purchase them through agents. Several batches of products from different growers may be sold in the auction market as the same batch of goods. Vegetable sales are conducted using auction clocks. The pointer of the auction clock moves from a high price to a low price counterclockwise. The buyer presses the button to stop the movement of the auction clock hand so that he buys the vegetables at the price indicated on the auction clock. If the auction clock hands move below the original lowest price, the vegetables will no longer be sold, they will be destroyed after the withdrawal, and the growers will be paid the lowest price.
Fitness Sports Equipment
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BL-8009
Main features of this electric freeline skate /electric mobility scooter/ cheap electric scooter for adults, two wheel electric mobility scooter, self- balancing mini scooter electric / chic smart two 2 wheels self balancing electric scooter
1. Wireless Remote Controllers
2. 4 level sensor under the pedal and imbalance alarm
3. Over-speed alert and speed control to protect drivers
4. waterproof design
Electric Mini Bike. Easier to use ,carry , storage.
Exercise muscle strength,enhance endurance activity can also be used for the elderly limbs and rehabilitation of adjuvant therapy.
*RatedPower:70W
*Rated Frequency:50/60HZ
*Rated Voltage:AC 110-240V
*Large LCD Display speed,time,distance,calories.
*1 PC/Color box;4 color boxes /CTN;
* Color box Size:425x300x210mm;
*CTN size:620x445x435mm.
*N.W: 4.6kg
*G.W:5.2kg
*1 x 20'GP: 900pcs;
*1 x 40'GP:1800pcs;
*1 x 40HQ: 2100pcs.
Multifunctional Execise bike With Low Price : BL-8011
Adjustable movement speed,movement time;prevent brain aging,improve the agility of the nervous system;
Passive movement,thus effectively reducing ankle and knee stress,help to improve training effect.
Improve heart and lung function;exercise muscle strength,enhance endurance activity can also be used for the eldly limbs and rehabilitation of adjuvant therapy.
Fitness Sports Equipment
Fitness Sports Equipment,Fitness Gym Equipment,Indoor Sport Equipment,Bike Sports Equipment
Ningbo Berkeley Electronic Technology Co., Ltd. , http://www.bonlifemassage.com