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光透过率测试仪
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光透过率测试仪
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光透过率测试仪
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optical transmittance tester
光透过率测试仪
用于测量物体在某个光波长或某段波长的透过能力的仪器。采用紫外光源、可见光源或红外光源照射被测透明物质,用相应的探测器进行光强探测。透过光强与入射光强的比值即为透过率,用百分数表示,它反映了光经过整个光学系统或光学元件后的能量损失程度。
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soil enzyme
soil enzyme activity
soil enzyme stability
soil equivalent pore
soil erodibility
soil erosion
soil erosion agency
soil erosion degree
soil erosion in China
soil erosion index
soil erosion intensity
soil erosion map
soil erosion monitoring
soil erosion prediction
soil erosion simulation test
soil erosion tracer measure
soil evaporation
soil evaporation pan
soil exchangeable acidity
soil exchangeable adsorption
soil exchangeable base
soil exchangeable cations
soil exchangeable hydrogen
soil exchangeable sodium
soil exhaustion
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