4results about How to "Reduce dilution" patented technology

The present application belongs to the technical field of traditional Chinese medicine composition, and relates to a traditional Chinese medicine transdermal external preparation for treating vulvar hypopigmentation disease. The preparation is a paste prepared by mixing traditional Chinese medicine powder and horse oil. The traditional Chinese medicine powder is composed of the following raw materials by weight: Xuchangqing 10-12, Pugongying 10-15, Difusiduo 12-15, Tuzifuding 12-15, Baiji 10-15, Huzhang 9-12, Quansie 6-10, Diyu 10-12, Xuezhi 10-12, Danggui 6-10, Rushang 6-10, Miedu 6-10, Bingpian 1-3. The traditional Chinese medicine transdermal external preparation has definite and significant effects on vulvar hypopigmentation disease, especially in relieving intractable pruritus, promoting pigment recovery and improving skin sclerosis / atrophy. The traditional Chinese medicine transdermal external preparation has high safety, few adverse reactions and low recurrence rate.

This invention relates to the field of sediment remediation, and more particularly to a device for treating river and lake sediment. Existing devices are inconvenient for judging the thickness of river and lake sediment during use, making it difficult to inject liquid bacteria into sediment of varying thicknesses, resulting in uneven distribution of the liquid bacteria. This invention includes a hull, with a mounting base fixedly connected to the bottom of the hull. A feed hopper is fixedly connected to the mounting base, and a hollow tube is rotatably connected to the lower part of the feed hopper. This invention uses a disc positioned on top of the river and lake sediment, allowing a guide pipe, threaded rod, and agitator to enter the sediment. An appropriate amount of liquid bacteria is then added to the feed hopper. This allows for the injection of liquid bacteria into sediment of varying thicknesses while minimizing dilution by the water, thus improving the treatment effect of river and lake sediment.

This invention relates to the field of gas detection technology and discloses an intelligent gas concentration detection device, including a detection box with a gas chamber inside. The gas to be tested is delivered into the gas chamber, and a detection mechanism is installed inside the gas chamber. An adjustment mechanism is also installed inside the gas chamber to isolate and expel air from the gas chamber before the gas to be tested is introduced. By setting up the adjustment mechanism, this invention isolates and expels air at the detection position inside the gas chamber before the gas to be tested enters for detection, thus reducing the dilution of the gas to be tested by air during the detection process.

The application discloses a nitric acid preparation system and method, and relates to the technical field of chemical industry, and can reduce tail gas emission and nitrogen oxide content in the tail gas during nitric acid preparation.