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Laboratory

What is the difference between a biosafety cabinet and a microbiological culture cabinet?
01/08/2026 09:50:45

In the laboratory, both biosafety cabinets and microbiological culture cabinets are associated with air control and sample manipulation requirements. Because they both appear in biological research environments, these two types of cabinets are often considered the same or interchangeable. In reality, they were developed for entirely different purposes.

Using regenerative DC dummy loads: An effective solution for testing high-power power supplies.
12/12/2025 10:41:21

In electrical and electronics labs, testing power supplies is always a mandatory step to ensure stable operation of equipment before real-world use. However, connecting the power supply directly to a real load such as a motor or circuit carries a high risk. A sudden change in current or a small deviation during testing can cause overload or short circuits. Therefore, engineers often choose dummy loads to simulate real-world operating conditions more safely and accurately.

Secret to remove voids in castings, comparison of hot pressing and cold pressing
11/14/2025 09:04:38

For sample preparation, the ultimate goal is to obtain a perfect casting, that is, one that does not have any voids or gaps sticking to the surface of the sample. The presence of air bubbles, no matter how small, will seriously distort the results when we analyze the microstructure, measure hardness, or check for material defects. That is why the choice of casting method is a key technical decision that cannot be taken lightly.

Advantages of ultrasonic cleaning tanks compared to other cleaning methods
09/18/2025 10:09:34

In daily life, we often encounter many situations where we need to clean an item, be it a household item, work equipment or food. In addition to familiar cleaning methods, many people now choose ultrasonic cleaning tanks. So how is this method different from the traditional method?

Instead of oven drying, why not try a moisture meter?
09/12/2025 14:22:40

Moisture balances (also known as moisture analyzers) are increasingly trusted by many units in the food, pharmaceutical and laboratory sectors. Compared to traditional oven drying, this type of balance is integrated with more intelligent features, both shortening the time and increasing accuracy. If you are wondering whether to choose a moisture balance or continue to use an oven, the following sharing will help you make a more reasonable and effective decision.

EXPERTS RECOMMEND SH SCIENTIFIC FURNACE FOR EVERY LAB? ANSWER NOW
09/08/2025 09:55:04

In recent years, a brand from Korea has emerged in the Vietnamese market, which is SH Scientific. Many customers ask EMIN, is this a good choice or not? Is the advertisement true to reality? With my experience, today I will "dissect" this furnace with you, from its outstanding advantages to the problems we often encounter.

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