1. Variety and selection of garlic cloves: After many years of experiments, it is proved that the early cultivated garlic varieties are Wenjiang Red Seven Stars, forty-six petals and two waters early, and the size of garlic slices is 100 grams with 100-200 petals. 2, sowing time: low-temperature ......
Zui big valve wholesale base in Henan area Electric shut-off valve >>>Back Structural features and uses 1. When fully closed, the handwheel rotates clockwise. 2. It can be installed at any position of the pipe, and the media flows from the bottom to the top. 3. Stainless steel globe ......
Process flow Main process steps 1 Selection of raw materials 2 egg shelling 3 Preparation of the aqueous phase, after weighing all the raw materials separately, dissolve a small amount of auxiliary materials, and turn on the mixer to make a uniform mixture. 4 Stir ......
= cell culture medium method = Â (1) Preparation and installation of filters (2) Preparation of synthetic medium (3) Treatment of calf serum (4) Preparation of growth medium (5) Recovery of cryopreserved cells (6) Passage (7) Frozen storage (8) Precautions (1) Prepare and install filters The ......
Cultivation site disinfection The local straw mushroom is mainly cultivated outdoors, mostly in a plastic greenhouse or in the open space behind a house. Mainly to do a good job in the surrounding environment, before the cultivation of formaldehyde, potassium permanganate, aerosol disinfectant, lim ......
Fresh sweet potato leaves will be washed, placed in boiling water and blanched for 5 to 10 seconds. The ratio of material to liquid will be 1:3, reaching 80% of maturity, and immediately sent to the pre-cooling room for cooling. After draining, the temperature will drop to about 10°C. Blanching ......
Zui big valve wholesale base in Henan area Stainless steel internal thread stop valve >>>Back Product reference standard: Threads can be produced according to BSPT, BSP, NPT, DIN259/2999 Main performance specifications: Nominal pressure: PN≤1.6Mpa Applicable medium: water, oil, ......
Temperature: Suitable for 20 °C ~ 30 °C, put the thermometer in the cylinder, if the temperature is low, you can set a hot water bottle, avoid touching the egg bag. Humidity: generally should be in the relative humidity of 50% to 80%, the cylinder should be placed hygrometer, humidity is to ......
Pharmaceutical Industry Pharmaceutical Industry Guide business background The drug is very sensitive to temperature. Producing sub-standard drugs can destroy a company. Use dry ice or gel packs to isolate and transport medicines to protect their quality and efficacy before they reach their de ......
Zui big valve wholesale base in Henan area    Flange floating ball valve >>>Back 　 Overview: Ball valves are an important type of valve and are widely used in petrochemical, long-distance pipelines and other fields. The closing member of the ball valve is a holed ball ( ......