The flower type surgical lamp is designed at 2016, when it was been pushed into the market, it has good echo from the customers, because the flower type surgical lamp outlook is different with normal round types lamps, its outlook is just like a flower, it is very beautiful , also can add beauty in the operation room, the flower type ot lamp change the normal condition for baldness operation room style, can make doctor and patients feel much difference; for the flower type surgery lamps specification, it is almost same as round type surgical lamp, in the first year, it also has good selling;
Flower type surgical lamp also has three types, ceiling types which include single dome, double dome , with camera or without camera; wall type and mobile type flower operation lamp;
Flower Type LED Operating Lamp LED Ot Lamp,LED Operation Lamp,LED Surgery Light,LED Surgical Light Shandong Lewin Medical Equipment Co., Ltd. , http://www.lewinmed.com
Qiuyan eggplant farmhouse simple modified atmosphere fresh-keeping technology
Eggplant is a thermophilic vegetable. In the winter and spring seasons, the north of China alone depends on greenhouse cultivation. The technical conditions are strict, the investment is large, and the cost is high. It is difficult to meet the market demand. The price difference between the light and high seasons is several times or more than ten times. For the eggplant cultivated in late autumn, simple air-conditioning technology is applied to keep fresh, natural loss is low, cost is low, and operation is simple. It not only effectively alleviates the contradiction between supply and demand in the market, but also prolongs the supply period. It can also greatly increase revenue, increase value and increase efficiency. Farmers welcome. The specific technical points are as follows: 1. Site clearing The selection of vacant residential houses with high topography, unobstructed air, clean environment, and convenient transportation serves as a storage repository. Flatten the floor, reinforce the doors and windows, leave a ventilation opening, and cover the roof with linoleum to enhance the insulation effect. No direct sunlight, no air leakage, no rodent damage standard. In particularly cold areas, "land heating" should be installed to make up for temperature. Thoroughly clean the warehouse before storage. Together with framing bricks, square timbers and storage plastic storage boxes, spray disinfect with 1% potassium permanganate solution, 0.7% peracetic acid solution or 0.5% bleach solution. Then, close the doors and windows, add sulfur to the sawdust at a dosage of 5 to 8 g/m 3 , and condense the smoke for 24 hours to open the doors and windows for ventilation. 2. Proper harvesting When the minimum temperature of the greenhouse is close to 5°C, select eggplant varieties with tough pericarp, bright skin, moderate growth period, and strong storage, and store them. In the later stages of growth, ammonia fertilizer is strictly prohibited. Before harvesting, spraying 75% chlorothalonil wettable powder 600 to 800 times for 10 to 15 days to eliminate the bacteria infection source and stop watering for 7 to 10 days to improve the quality of storage and preservation. When harvesting, it is necessary to use fruit and scissors to cut short the fruit stalk, avoid pulling hard pull, so as not to pull the pulp tissue. The harvested solanaceous fruit should be gently discharged into a soft grass-covered appliance. During the transportation and transportation, care should be taken with care to avoid collisions and scratches or sticking. 3. Pre-storage treatment 3.1 Solanum fruit after pre-cooling heat-dissipation and picking should be placed in an environment of 10 to 12°C, pre-cooled for 24 to 48 hours, and the field heat and respiratory heat carried by the fruits should be dissipated as soon as possible. Combined with pre-cooling, if 10 °C water, and 80% of the bacteria net wettable powder, dubbed 2500 ~ 3000 times liquid capsule, can be pre-cooled cooling, but also sterilization, to prevent storage period disease, kill two birds with one stone. In the pre-cooling process, not only ventilation and heat dissipation but also cold damage should be avoided. 3.2 Select the fruit package After pre-cooling and drying, select the fruit shape, uniform, no pests, no mechanical injury of eggplant, wrapped individually with a soft paper, light weight in a sterile storage box. The bottom of the box can be lined with 12 layers of soft paper, in order to facilitate ventilation and moisture, but also conducive to the absorption of condensation inside the box. When loading the fruit, try to put it sideways and be careful not to get too full to avoid sticking or crushing injuries. 4. Storage method 4.1 Storage pallets A layer of polyethylene plastic film with a thickness of 0.2-0.25mm is first laid on the floor as a "base fabric". Then use the bricks that have been sterilized and dried. The square wood supports are 15 to 20 cm thick. The boxed solanaceous fruit is coded as a "flower bud" with good ventilation. Before the palletizing process, the building's foam bricks are broken or new kiln bricks are fired to saturate the saturated potassium permanganate solution. The solution is placed in a storage box and absorbs the ethylene gas released from the solanum fruit to delay the ripening of the eggplant fruit. Decay, to prevent fruit stem loss, fruit rot, maintain the original flavor and freshness. Between the box and the box, between the box and the box, between the box and the wall, enough space should be left to facilitate the smooth flow of gas, equalization of the temperature of the warehouse, and ease of management. Generally speaking, the width is about 2m, depending on the storage capacity, the height is limited to the pressure that the bottom box can withstand, but not less than 60cm from the top of the library. 4.2 After deduction, the appropriate amount of hydrated lime is applied around the box to regulate the environmental humidity and absorb excess carbon dioxide released from the respiration of eggplant. In a representative location, put a thermometer and hygrometer. When the storage temperature drops to 12～13°C, the MAP modified by high-tensile-strength polyethylene plastic film with high tensile strength, strong anti-aging performance, good gas permeability ratio and thickness of 0.04~0.06mm is used. Detained. The bottom edge of the air curtain is tightly wound with the bottom cloth and compacted with sun-sterilized sand. 5. Storage period management 5.1 Temperature and humidity adjustable eggplant suitable storage temperature of 12 ~ 13 °C, relative humidity of 92% ~ 95%. After the beginning of debit, when the temperature of the warehouse is high, the doors and windows can be opened, the ventilation openings can be ventilated, and the ventilation can be reduced. When the storage temperature is stable at 12-13°C, the doors, windows and ventilation openings can be sealed tightly with plastic sheets to maintain the storage temperature. Balanced and stable, when the temperature of the library continues to fall, cotton curtains can be added to the doors and windows to keep warm; when the temperature of the warehouse drops to 5°C, freezing damage can easily occur. When the relative humidity in the account is less than 90% and the water loss rate of eggplant exceeds 5%, the sepals may curl up, the peel may wrinkle, and the fruit may wilted, affecting the appearance and the value of the commodity. At this time, the water should be sprayed or increased on the ground inside the account. Suspended linen moisturizer. When the humidity in the account is too large and excessive condensation occurs, the eggplant will be easily contaminated and the disease will be induced. As a result, the quality of food will be reduced, and even the preservation will fail. At this time, lime, charcoal, calcium chloride, etc. shall be placed along the four edges of the account. The agent absorbs moisture and cools down. 5.2 After reasonably adjusting the air charge, the airtight system formed by the air account relies on the natural oxygen reduction of the solanum fruit's own breathing, so that the gas composition in the account rapidly reaches 2% to 5% of the oxygen content, and the appropriate level of 4% to 5% of the carbon dioxide content. In order to reduce the respiration intensity of eggplant, block the synthesis of endogenous ethylene, maintain the original quality of goods and longer storage period. If it is found that the oxygen concentration is too high, mostly caused by tight sealing of the gas trap, it is necessary to check the leakage timely; when the concentration of carbon dioxide is found to be high, the corner of the gas account may be properly opened, the gas in the account may be replaced with outside air, or the lime may be placed Carbon dioxide adsorbents, absorb excess carbon dioxide. Throughout the entire storage process, gas analyzers should always be used to monitor the gas composition in the account to ensure that the gas composition in the account is stable at the level required for preservation. 5.3 Inspection During the fresh-keeping process, in addition to checking the changes in the temperature, humidity, and gas composition of the monitoring account in due course, it is also necessary to check the preservation quality of solanaceous fruit in a timely manner. When it was discovered that eggplant rot, it should be quickly brought out of the account for deep-buried treatment. According to the preservation quality of eggplant and market conditions, timely delivery of the library. When out of storage, together with the wrapping paper, the polyethylene preservation bag with a thickness of 0.01 mm and a capacity of 5 to 10 kg is packed into the polyethylene fresh-keeping bag, so that the solanaceous fruit can continue to maintain the atmosphere during the transportation and shelf life, so as to obtain the best economic benefits. 6. The storage effect investigation showed that the preserved solanaceous fruit with modified air-conditioning had bright green, bright black skin, white flesh, and flavor. After 60 days of storage, the good fruit rate was 98%, 29% higher than the control. After 90 days of storage, the good fruit rate was 89%, while the control was dehydrated or rotted. According to rough statistics, during the period from the New Year's Day to the Spring Festival in 2004, the price per kilogram increased by 2.4 to 2.8 yuan. Author unit: Bureau of Forestry, Botou City, Hebei Province Botou Agricultural Technology Promotion Station, Botou City, Hebei Province Qiqiao Town Government, Botou City, Hebei Province