140DDM69000 赤水县
140DDM69000 赤水县
传统的电镀抑制副作用的产生、改善电流分布、调节液相传质过程、控制结晶取向显得毫无作用,面对络合剂和添加剂的研究成了电镀工艺研究的主要方向。纳米开关电源解决了传统高频直流电源存在的缺陷。
电源变压器
电网提供的交流电一般为220V(或380V)。而电子设备所需要直流电压的幅值却各不相同。因此,常常需要将近电网电压先经过电源变压器,然后将变换以后的副边电压再去整流、滤波和稳压,后得到所需要的直流电压幅值。 二、整流电路
整流电路的作用是利用具有单向导电性能的整流元件,将正负交替的正弦交流电压整流成为单方向的脉动电压。但是,这种单向脉动电压往往包含着很大的脉动成分,距离理想的直流电压还差得很远。
三、滤波器
滤波器由电容、电感等储能元件组成。它的作用是尽可能地将单向脉动电压中的脉动成分滤掉,使输出电压成为比较平滑的直流电压。但是,当电网电压或负载电流发生变化时,滤波器出直流电压的幅值也将随之而变化,在要求比较高的电子设备中,这种情况是不符合要求的。
四、稳压电路
稳压电路的作用是采取某些措施,使输出的直流电压在电网电压或负载电流发生变化时保持稳定。
MOTOROLA COMPACT PCI CPV5370 BOARD 01-W3545F NTAR02NV
MOTOROLA COMPACT PCI CPV5370 BOARD 01-W3545F
MOTOROLA COMPACT PCI CPTM-04 BOARD 01-W3764F
MOTOROLA BOARD 01-W3739F
MOTOROLA 01-W3749F P/S MODULE PULLED FROM WALKair 3000
MOTOROLA 01-W3739F NORTEL NTAR02JY
Motorola 01-W3658F-06B cPCI BOARD 01-W3658F W/0181F-02A
Motorola 01-W3632F-12A cPCI BOARD 01-W3632F
MOTOR I/O BOARD TKB2133 CPC-G221D01A-11
MIZAR 7710 VIDEO Board 7710-00011-01 REV-W
MICRON 1GB SYNCH 100MHZ CL2 ECC MEMORY MODULE
MICRO SYS SB8486 REV J1 W/ MP3861 & SBX-SPIO-00
MICRO DESIGN SYSTEMS MPB2-TP 97-003-01/4
METACOMP VMEcomm20 VME MODULE
MERCURY RACE MCH9 BLADE
MENTEC MXV4040 VIDEOCONFERENCI?NG PCI CARD MXV3000/4000
MELLANOX MTPB23108-C Infiniband HBA TopSpin MTPB23108
MELLANOX MTEVB23108-C02 Infiniband HBA PCI-X MTEVB23108
MCDATA SPHEREON 4500 FABRIC SWITCH
MATSUSHITA LF-D311SC 4.7GB IDE DVD RAM DRIVE
MATSUSHITA LF-D211V IDE 4.7/9.4GB REWRITABLE DVD-RAM
MATROX ODYSSEY XPRO PLUS Y7196-04 0+161G13332 NEW
MATROX ODYSSEY XPRO 7116-01 OP413G1G NEW
MATROX NS-QNIC Quad Fast Ethernet PCI Interface
MATROX MM/VGA32K/B ISA INTERFACE CARD
MATROX MGA-MIL/4/DELL 00053248 PCI BOARD
MATROX GENESIS PRO GPRO/P/64/P/64
MATROX GENESIS PRO GPRO/F/64
MATROX GENESIS PRO GPG4N/400/128/2
MATROX GENESIS PRO GP60/F/64/F/64
MATROX GENESIS PLUS GPG4N/500/128/1 PCI processor board
MATROX GENESIS PLUS GPG4N/400/128/2 PCI processor board
MATROX GENESIS GPRO/F/64/F/64 721-02 REV.A
MATROX GENESIS GN60/F/64/8/STD
MATROX GENESIS GN60/F/64/8 PCI VIDEO CARD
MATROX GENESIS GEN/P/64/8
MATROX Gen/pro ppc 925-0101 GPG4N/500/256/2 PCI
MATROX Gen/pro PPC 925-0101 GPG4N/400/128/1 PCI
MATROX Gen/pro 925-0101 GPG4N/500/128/2 PCI
MARCH NETWORKS VTU 2103 MULTI MEDIA MODULE 11870 12168
MANGO DSP MVP-03229 BOARD MVP 03229 MVP03229 NEW
MANGO DSP 350-00010-001 503-00038 P.N. 0660-A0972
MAGNETEK SLI-48-230 SLI INVERTER 48V SL48-230
MAGMA 4 PCI DMA 4 PORTS Serial adapter 01-03450-00
LUFF RESEARCH SLS 01 SINGLE LOOP SYNTHESIZER
LUCENT SUPERPIPE 95 SP155-2S-E1 PN:0710-0292-003
LUCENT SUPERPIPE 155 SP155-2S-V35 0710-0292-006
LUCENT SUPERPIPE 155 SP155-2S-T1 PN:0710-0292-005
LSI LOGIC DF4000R / DF4000J AC POWER SUPPLY DPSN-540BB
LSI LOGIC 10941-01 DF4000R / DF4000J LAN NETWORK MODULE
LSI 348-0049600 DF4000R AC POWER SUPPLY DPSN-540BB
LOW NOISE BLOCK DOWN CONVERTER NJR2144HWI LNB LOT OF 50
Lot of 576 STMicroelectron?ics M29W800DB70N6 Flash 8mb
LOT OF 53 MICRON 1G SDRAM 100MHZ CL2 ECC MT36LSDF12872G
LOT OF 5 FANS FROM V251 SERVER PULLED
LOT OF 5 ALVARION AC POWER ADAPTOR UNIVERSAL IDU PS1078
Lot of 480 AMD AM29LV800DB-90EI Flash Memory 8MB
LOT OF 4 SUN MEMORY 370-6208-01 1GX4 370 6208
LOT OF 4 IBM 23L3337 GBIC 21H9834 Optical Converter
LOT OF 4 HYNIX PC2100R-25330 2GB DDR 266MHz CL2.5 ECC
LOT OF 4 GIGABIT ETHERNET SFP TRANSC. KS48-C3U-TC-N-D?Z
lot of 3 Lavian Inc. RD323 BPC1828A Video Card 46070
LOT OF 2 HP E4209A CELL PROTOCOL PROCESSOR HP 75000 C
LOT OF 2 ALVARION TDM-IDU-1P 742000
Lot of 120 Motorola MC68EN360CEM25K Electronic Componen
LIS 073320-183 CLOCK PROCESSOR 133 BLADE
LEITZ 81L LENS FOR MICROSCOPE
LEICA MICROSYSTEMS VISTEC SEMICONDUCTOR 11307072067/BZ
LEICA 301-389.040 VME BOARD
Kramer VM-1110 Balanced Audio Distributor
Kramer 1010 Balanced Video Distributor
KONTRON PEP CP610 CPU BOARD FOR CompactPCI SYSTEM CP600
KONTRON PEP CP602 CPU BOARD FOR CompactPCI SYSTEM CP600
KONTRON PEP CP6000 CPCI/PICMG PENTIUM M EMBEDDED BLADE
KONTRON PEP CP330 UNIVERSAL XGA GRAPHICS CONTROLLER
KONTRON CTM80-2 REAR I/O T6701AC FOR DT64/CP6010/CP6?000
JENOPTIK JENmetar 0,6x/8 Telecentric Inspection Lens
JAVELIN ELECTRONICS CHROMACHIP JE3362 CAMERA 12 VOLTS
JAVELIN ELECTRONICS CHROMACHIP II JE3462RGB/E 12 VOLTS
JASPER DPCI204-1022-4-NN DC DPCI 204-1022-4-NN
JASPER DPCI204-1022-4-M1131 DC DPCI 204-4-M1131
JAI CV-S2524 CCD COLOR CAMERA TWIN SERIES
JAI CV-M10RS W/ COSMICAR/PENTAX 8-48mm 1:1.0 TV LENS
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IRONICS IV3234 VME 16 SIO BOARD VM-3234-10
INVACOM TUL-204A KU BAND VSAT TX - 2,0 WATT TUL-204
INTEL RADISYS SBC38612 MULTIBUS I BOARD SBC3861220F08M
INTEL PSXM552A PBA 440005-005 MULTIBUS BOARD
INTEL PSBC3861220F01M MULTIBUS I BOARD
INTEL PHD A505-0002 BARKAN SV BOARD
Intel NetStructure ZT 5515 Compactpci Board CPCI ZT5515
INDUSTRYPACK IP-RELAY IP RELAY
Imperative Networks 802 fibre channel switch
IML ARTEMUX IML-S007 S007-155-SMF NMS PN:50174
IMEDIA S25-7000146 PCI
IMEDIA S25-7000145 PCI
IMC NETWORKS MEDIA CHASSIS 2-AC 2 SLOT 50-13101
IMC NETWORKS MEDIA CHASSIS 1-AC 1 SLOT 50-13100
IMC NETWORKS IMEDIACHASSIS SNMP MODULE 50-39950
IMC NETWORKS IMCV-GIGA-FIBER TX/LX-SM1310-SC 56-14870
IMC NETWORKS IMCV-FIBERLINX TX/FX SM1310 56-14516
IFB ADD ON BOARD TKB2151 AP9E-0209A-11 W/ STP IF BOARD
IBM HS20 Blade Server 8843-PST Dual Xeon 3.6GHz 4G RAM
IBM HS20 Blade Server 8843-PLV Dual Xeon 3.6GHz 2G RAM
IBM HS20 Blade Server 8843-PLS Dual Xeon 3.6GHz 2G RAM
IBM HS20 Blade Server 8843-CTO Dual Xeon 3.6GHz 2G RAM
IBM HS20 Blade Server 8843-45G Dual Xeon 3.6GHz 2G RAM
IBM 96P1774 23R3214 LTO GEN-2 TAPE DRIVE
IBM 71P9141 18P7552 LTO ULTRIUM2 TAPE DRIVE
IBM 24R0585 100/200GB LTO-1 with Tray
IBM 08L9760 100/200GB LTO-1 Storage Tape
HUAWEI S3952P ETHERNET SWITCH WITH 48 10/100 BASE-TX
Huawei RT-SIC-2FXS Voice Interface Card new in box
HUAWEI RT-SIC-2FXO 2 PORT VOICE INTERFACE MODULE
HUAWEI RT-SIC-1FEA 10/100M ETHERNET INTERFACE CARD
HUAWEI RT-SIC-1E1-F 1x E1 INTERFACE SIC E1-F CARD
HUAWEI RT-SIC-1BS 1PORT ISDN BRI S/T INTERFACE CARD
HUAWEI RT-1ADSL 1 PORT ADSL OVER POTS MODULE 1ADSL
HUAWEI QUIDWAY S3026G SWITCH 24 PORT+ 2x GBIC S3000
HUAWEI QUIDWAY S2403H SWITCH 24 PORT S2000 SERIES
HUAWEI QUIDWAY S1026T SWITCH 26 PORT S1000 SERIES
HUAWEI QUIDWAY S1024 SWITCH 24 PORT S1000 SERIES
HUAWEI QUIDWAY S1024 SWITCH 24 PORT S1000 SERIES
HUAWEI QUIDWAY S1016 SWITCH 16 PORT S1000 SERIES
HUAWEI QUIDWAY AR 18-30 ROUTER BRAND NEW AR 18 30
HUAWEI AOLYNK EP201 BROADBAND SIP PHONE NEW EP201S
HUAWEI AOLYNK DR814 ADSL2+ BROADBAND ROUTER BRAND
HUAWEI 3COM SFP-GE-SX-MM850-A 1000BASE-SX SFP LOT OF 2
HP/COMPAQ AIT 50/100 TAPE DRIVE 190716-001 175010-001
HP SureStore DLT 70 C5657-60033 TAPE DRIVE
HP PROLIANT ML350 E5320 QUAD 2x1.86GHz 440189-421 2GB
HP PC BLADE SWITCH 0 PCA 410400-001