w66利来最给利的老牌

How 🅺to maintain the integrating sphere? Importance and method of maintaining integrating sphere

The inner wall of the large integrating sphere in the🌌 integrating spꦯhere instrument is coated with a white coating, which is used for diffuse reflection light to ensure that the inner wall of the inte…

Eight Common Techniques for Measuring Optical Paramet♈ers of LED Lamps

The intensity of light, that is, the intensity of light, refers to the amount of light emitted at a certain angle. According to CIE127 standard, inve🎐rse square law is not applicable to LED b🔥ecause of …

w66利来最给利的老牌:Sunlight makes t🎃he benevolent live longer.

On February 1, 2020, the joint meeting of directors꧟ of China Solar Photothermal Industry Technology Innovatio♒n Strategic Alliance (hereinafter referred to as "National Photothermal Alliance") entruste…

The first low-speed unmanned 👍industrial alliance in China was fo🌼rmally established!

On Septem🎶ber 8th, the "2021 Functional Low-speed Unmanned Vehicle Industry Technology Development Summit" jointly spons꧑ored by Shenzhen Pingshan District Development and Reform Bureau, Shenzhen Pingsh…

Key technology analysis🦩 of measuring total luminous flux of LED with spherical photometer

Spherical photometer is a fast and effective device for measuring luminous flux and luminous efficiency of LED products, which involves luminous flux measurement of LED p💜roducts, product testing and e…

w66利来最给利的老牌:Brief int🀅roduction of ꦛspectrometer application

In Harry 𓄧Potter's world, the spell "prank over" and the click of a wand can reveal hidden maps.

Sunlight makes the benevolent live longer.

On February 1, 2020, the joint meeting ♋of directors of China Solar Photothermal Industry Technology Innovation Strategic Alliance (hereinafter referred to as "National Photothermal Alliance") entruste…