Description
hardware flow control. It is an ideal choice in the field of industrial automation.Cryo-electron microscopy can take high-definition 3D “color photos” of microstructures and is a
powerful tool for life science research. The production capacity of transmission electron microscopes
is one of the foundations of cryo-electron microscope manufacturing capabilities. Currently, there are only three manufacturers in
the world that produce transmission electron microscopes, namely JEOL, Hitachi, and FEI. There is no
domestic company that produces transmission electron microscopes. The tools used to match the
cryo-electron microscope need to be original. If the parts are broken and you
can’t find anyone to repair them, you can only wait for the parts to arrive in the mail and replace them.
For Chinese cryo-EM users, this experience may last for a long time.
Tunneling machine main bearing 19″My own tunnel boring machine has to use someone else”s main
bearing” (Science and Technology Daily, June 7)
The main bearing, known as the “heart” of the full-section tunnel boring machine, bears the main load
during the operation of the tunnel boring machine.
It is a key component of the cutterhead drive system and works in very harsh conditions. Compared
with traditional rolling bearings with a diameter of only a few hundred millimeters, the main bearing of a
tunnel boring machine is generally several meters in diameter. It is the most complex bearing and requires
hundreds of manufacturing processes. In terms of the manufacturing capacity of the entire boring machine
, domestic boring machines are close to the world”s most advanced level, but the most critical main bearings
all rely on imports. Germany”s Rothe Ed, IMO, FAG and Sweden”s SKF occupy the market.
Microspheres 20″Microspheres: The unbearable lightness of the national industry” (Science and Technology Daily, June 12)
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KW3400F Cutler-Hammer TYPE KW FRAME ONLY 3P 400A 660VAC MAX
330104-00-05-10-02-CN Bently Nevada 3300 XL 8 mm Proximity Probes
1794-TB3 Allen-Bradley terminal base unit
1756-TBCH Allen-Bradley ControlLogix Removable Terminal Block (RTB) component
1756-PA75/B Allen-Bradley ControlLogix Power Supply
1756-L61/A Allen-Bradley standard ControlLogix series controller
1756-L61/B Allen-Bradley standard ControlLogix series controller
1756-L72S Allen-Bradley Programmable Automation Controller
3VL9440-7DC30 Siemens release
1756-IF8 Allen-Bradley analog input module
PP845 3BSE042235R1 ABB Operator Panel
3BDH000364R0002 PM783FB0 ABB CPU Module
1C31234G01 Westinghouse Compact Contact Input Module
PW301 Yokogawa Power Module
DR-100-24 MEAN WELL Single Output Industrial DIN Rail Power Supply
1756-PA72C Allen-Bradley ControlLogix Standard Power Supply
1C31179G02 Westinghouse I/O modules
5X00070G04 Westinghouse INPUT MODULE
140CPS12400 Schneider POWER SUPPLY MODULE
YPK112A 3ASD573001A13 ABB PC COMMUNICATION BOARD
YPP110A 3ASD573001A1 ABB PC DRIVE BOARD
YPQ110A 3ASD573001A5 ABB MIXED I/O BOARD
MM-PM41400CPM+4000 Schneider power-supply module
IPM2-P0904HA Foxboro Power Supply Module
G122-824-002 MOOG SERVO AMPLIFIER
HC-KFS23K-S49 MITSUBISHI servo motor
AS-J890-102 Schneider Remote I/O Processor Module
AS-BADU-204 Schneider INPUT MODULE
1756-EWEB Allen-Bradley Ethernet I/P Enhanced Web Server module
GDB021BE GDB021BE01 HIEE300766R0001 ABB Gate control unit
FBM212 P0914XL FOXBORO Differential 14 Input Thermocouple/MV
0880001-01 GE man-machine interface
086339-001 004707001474 ABB PWA,SENSOR MICRO INTELL
216AB61 HESG324013R0100 HESG435572P1 ABB
PC-E984-685 Schneider PROGRAMMABLE CONTROLLER
216DB61 HESG324063R0100 HESG216882A ABB Control Unit
PCD1.M120 SAIA input module
97590-8 BD-PCI4PORT GE
1756-CNBR Allen-Bradley ControlLogix communication module
IC693CMM302 GE Enhanced Genius Communications Module
IC693PCM311 GE Programmable Coprocessor Module
IC693CHS391 GE expansion plate with ten slots
IC693BEM331 GE Series 90-30 PLC System manufactured
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