共找到 150 條與 脫鹽率 相關(guān)的標(biāo)準(zhǔn)，共 10 頁(yè)
本規(guī)程適用于頻率測(cè)量范圍在10Hz～20kHz的各種指針式頻率表和數(shù)顯式頻率表、工頻頻率計(jì)（以下簡(jiǎn)稱頻率表）的首次檢定、后續(xù)檢定和使用中的檢驗(yàn)
Frequency Meters
本標(biāo)準(zhǔn)規(guī)定了采用外部點(diǎn)火器，試樣在水平定位受到可控制等級(jí)的熱輻射時(shí)，測(cè)定熱釋放速率的方 法。熱釋放速率的測(cè)量是通過(guò)燃燒產(chǎn)物氣流中氧氣濃度計(jì)算出的氧消耗量和燃燒產(chǎn)物的流量來(lái)確定 的，同時(shí)也對(duì)試樣引燃(持續(xù)有焰燃燒)時(shí)間進(jìn)行了測(cè)量
Reaction-to-fire tests - Heat release, smoke production and mass loss rate - Part 1: Heat release rate (cone calorimeter method)
Transformers and Inductors (Audio, Power and High-Power Pulse), Inductors, Audio Frequency
Recommendation ITU-R P.453 provides methods to estimate the radio refractive index and its behaviour for locations worldwide; describes both surface
The radio refractive index: its formula and refractivity data
TRANSFORMERS AND INDUCTORS, (AUDIO, POWER AND HIGH-POWER PULSE), TRANSFORMER, AUDIO FREQUENCY
? ??? ?? ??? ??? ?? ??? ??? ???? ??? ???? ????? ??
Reaction-to-fire tests－Heat release, smoke production and mass loss rate－Part 1：Heat release rate(cone calorimeter method)
Measurement of input power of power klystrons
The radio refractive index: its formula and refractivity data
Provides the specification of preferred frequencies, band centre frequencies, and frequency labels which form a geometric series for acoustical
Acoustics - Preferred frequencies and band centre frequencies
TRANSFORMERS AND INDUCTORS (AUDIO, POWER, AND HIGH-POWER PULSE) INDUCTORS, POWER (100 VA)
Energy effectiveness. Centrifugal pumps for water. Evaluation of the minimal required efficiency and index of energy effectiveness
Paper - Determination of transmittance by measuring diffuse reflectance
the necessity of utilizing a single formula for calculation of the index of refraction of the atmosphere
Radio Refractive Index: Its Formula and Refractivity Data
What is ISO 26723 about? ? ISO 26723 discusses plastics. ISO 26723 specifies the determination of?total luminous
Plastics. Determination of total luminous transmittance and reflectance
German Standards: Light transmittance, radiation transmittance and total energy transmittance of architectural glass
