78 results about "Ice binding" patented technology

The invention relates to a control method for a frostless refrigerator. An additional heating wire is installed on the back of the refrigerating chamber of the frostless refrigerator. An air duct heating wire is arranged in the air duct system of the frostless refrigerator. Both the additional heating wire and the air duct heating wire are respectively connected with a magnetic sensitive switch and are controlled to heat by means of the magnetic sensitive switch. When the ambient temperature t is lower than or equal to t1, a heating wire control circuit is switched on and the additional heating wire and the air duct heating wire start heating. When the circuit is switched on and the ambient temperature t is higher than or equal to t2, the magnetic sensitive switch acts and the heating wire control circuit is switched off. The additional heating wire and the air duct heating wire stop heating. According to the invention, through increasing refrigerated load and refrigerated cycle wind, the functional faults, such as frosting and icing in an air duct system and the like, caused by less cycle wind when the refrigerator is used in a low-temperature harsh environment, can be solved, thus the stability and reliability of the mechanical frostless refrigerator can be improved.

Spin-labeled ice binding compounds (IBCs) including ice binding proteins (IBPs) or antifreeze proteins (AFPs) and their analogs may carry paramagnetic centers for dynamic nuclear polarization (DNP), for enhancing nuclear magnetic resonance (NMR) signal intensities. Use of spin-labeled IBCs to perform DNP exploits the IBCs' ability to homogeneously distribute the paramagnetic centers in frozen water solution at low temperature, leading to high DNP efficiency. Other advantages of using spin-labeled IBCs include cryo-protecting biological samples; cryo-preserving relative positions and orientations of the spin labeling groups; selecting positions and orientations of spin labeling groups with freedom and without technical barriers to making multiple spin labels in an IBC; and enabling use of a solvent that is primarily water for DNP at low temperatures in view of the potentially high water solubilities of spin-labeled IBCs.

The invention provides an anti-freezing explosion-roof valve used for a civil water-heating stove and the civil water-heating stove. The anti-freezing explosion-roof valve comprises a valve body screw cap (101), a valve body housing (102), a valve body embedded head (103), an explosion-roof membrane (104), a membrane fastening part (105), a spring (106) and a spring non-return part (107), wherein the valve body housing (102) is cylindrical, and outer threads are arranged on the side wall of the valve body housing; one end of the valve body housing (102) is fixedly arranged at one side of the valve body screw cap (101), and inner threads are arranged on the side wall, close to the valve body screw cap (101), of the valve body housing (102); a ring-shaped groove (1021) is formed inside the side wall of the valve body housing (102); the valve body embedded head (103) is cylindrical; one end of the side wall of the valve body embedded head is equipped with a first ring-shaped bump (1031) which is bulged outwards, and the other end of the side wall of the valve body embedded head is equipped with a second ring-shaped bump (1032) which is inwards bulged; and inner threads are arranged on the side wall of the valve body embedded head. According to the scheme, when circulating water in a water gasket is iced, ignition is carried out to burn the stove, so that the anti-freezing explosion-roof valve still can release pressure timely to achieve an explosion-roof function.

An anti-icing device for dry fog and dust suppression nozzles, which belongs to the field of fluid application technology, is characterized in that it fills the entire liquid circuit system with an antifreeze cleaning liquid composed of emulsified silicone oil and water at a ratio of 0.05%-5%. , and sprayed from the nozzle, the water molecules and air dissociated in the entire liquid circuit system are discharged or fused into the antifreeze cleaning liquid, the entire liquid circuit system and the dry fog dust removal nozzle will not freeze, and the water hole is always maintained Unobstructed device, the application of this device effectively solves the problem that the dry fog dust suppression nozzle cannot work normally due to freezing. In this way, the occurrence of vicious incidents caused by the loss of control of the nozzle icing liquid path can be avoided, and the whole process can be easily automated without causing secondary pollution to the environment, which brings great convenience for the maintenance of the dry fog and dust suppression system.