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Nursing and operating techniques for the use of ice packs【Objective】 Cooling, hemostasis, analgesia, anti-inflammatory[Material preparation] Ice bag (ice bag) and cloth cover, towel, ice cubes, washbasin and cold water, mallet, canvas bag, spoon.【Instruction content】1. Inform the patient of the purp
Volumetric flasks cannot store standard stock solutions?Guide: 1. The volumetric flask is a measuring instrument. If the reagent or standard substance (especially corrosive, strong acid, strong alkali, etc.) is assembled for a long time, the volume of the volumetric flask may be inaccurate...1. The
How to realize scientific management of laboratory consumablesWhen purchasing materials, we should put the supply quality of the goods first. It is not only necessary to investigate and evaluate the qualifications, credibility, business scope and prices of suppliers; it is also necessary to regularl
The following will teach you how to properly maintain and maintain laboratory glass instruments by Nanjing Santa Buffalo. The details are as follows:Avoid strong thermal shock1. Wait for the temperature of the glassware to be the same as the room temperature. The thicker and heavier the glass, the l
Guide: Before using the new bottle, it should be simply brushed with tap water, and then soaked in dilute hydrochloric acid solution (5%) overnight...1. Washing of glassware(1) Immersion The new bottle should be simply washed with tap water before use, and then soaked in dilute hydrochloric acid s
Guide: 1. Burner: The main purpose of the burner is heating, so the wall thickness is required to be uniform, and it should not be too thin or too thick, so that it is better when heated...1. Burner: The main purpose of the burner is for heating, so the wall thickness is required to be uniform, and
Guide: After the volumetric flask is purchased, it must be cleaned and calibrated; so that it will be used only after the calibration is qualified...1. After the volumetric flask is purchased, it must be cleaned and calibrated to be used only after the calibration is qualified.2. Substances that are
Guide: The instruments that are often used in experiments should be washed and dried for use after each experiment. Different experiments have different requirements for drying. Generally, beakers, conical flasks and other instruments used for quantitative analysis can be used after washing. In
As for beauty care, I can only share it with you from the book: 1. Ayurvedic cosmetology: Individual skin type, skin state and skin cell organization will determine skin aging, wrinkles, skin relaxation, dry crack and other problems. Generally speaking, if the skin is thin, it is dry skin, and it is
Organic chemistry laboratory glass apparatus can be divided into ordinary glass instruments and ground glass apparatuses. Standard interface glassware is a glassware with a standardized ground mouth or ground plug. Due to the standardization, systematization and matte tightness of the instrument plu
Frigid weather is the time when the hot water bottle comes into play, but using the hot water bottle as a simple heating device is a bit overkill. In fact, it also has many unexpected health care uses.1. Promote wound healingI poured warm water into the hot water bag and put it on my hand. At first,
Is the hot water bottle washable?When the surface of the hot water bottle is dirty, remember not to wash it with soap, the best choice is to wash it with water. When the hot water bottle is not in use and ready to be stored, remember to fill it with air or put some cool water in it, then hang it ups
A hot water bag is very meaningful for our healthy life. In addition to keeping the body warm, it can also relieve anxiety to treat various discomforts in the body. How can I buy a high-quality, satisfying hot water bag? This article will help you understand how to distinguish good and bad hot wat
Microscopes enable scientists and students to study the cell structure of plants and animals. The crystal structure of minerals and the content of a drop of pond water can also be observed. Microscope glass slides and coverslips are used to mount or place specimens in an easy-to-handle manner and to
