1 Scope and object This clause of the General Standard applies except as follows: 1.1 Scope Addition: This Particular Standard applies to therapeutic X-RAY EQUIPMENT with NOMINAL X-RAY TUBE VOLTAGES in the range 10 kv to 1 MV when connected to a

定价： 1593元 / 折扣价： 1355 元

Information technology - Coding of audio-visual objects - Part 4: Conformance testing AMENDMENT 9: AVC fidelity range extensions conformance

定价： 910元 / 折扣价： 774 元

Information technology - Coding of audio-visual objects - Part 5: Reference software AMENDMENT 8: AVC fidelity range extensions reference software

定价： 182元 / 折扣价： 155 元

1 Scope This part of IEC 61000 relates to the immunity requirements and test methods for electrical and electronic equipment to conducted, common mode disturbances in the range d.c. to 150 kHz. The object of this standard is to establish a common and r

定价： 865元 / 折扣价： 736 元

CSA Preface This is the second edition of CAN/CSA-E60335-2-31, Household and similar electrical appliances - Safety - Part 2-31: Particular requirements for range hoods, which is an adoption, with Canadian deviations, of the identically titled CEI/IEC (Co

定价： 592元 / 折扣价： 504 元

INTRODUCTION Subclause 29.3.1.1 of IEC 60601-2-1:1998 sets limits to X-ray leakage radiation through beam limiting devices (BLDs) in the patient plane in order to reduce the detrimental effects on the patient due to leakage radiation. This clause restr

定价： 228元 / 折扣价： 194 元