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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RS-FS-9001 362A1052P104 Flame detector
1769-L23E-QB1B CompactLogix 5370 L2 package controller
1747-ACNR15 SLC 500 I/O adapter module
1756-PA72 ControlLogix Standard power supply
1756-PA75 Power module
086349-002 Controller card module
086349-002 Controller card module ABB
086329-004 Frame module
1C31124G01 Analog Volume input card
CDIO 16/16-0,5-1131 BERGHOF servo drive
1768-L43 CompactLogix series industrial controller
TC-PRR021 Redundant module
TC-4000-P-PB-ES power driver
SAN4-40M DDK servo drive supporting controller
SR1030B62 YOKOGAWA AC servo motor DD motor
DR1030B60 YOKOGAWA Yokogawa AC servo motor
6410-009-N-N-N pulse encoder
IC200CHS022 Input/output carrier module
IC695PSA040J Power module
UP55A-020-11-00 Program controller
IC200PWR002 Power supply miniature
CE4003S2B9 16-channel dual-wire AI terminal board
VE4035S2B1 Redundant analog output card
3500/53-03-00 3500/53 Electronic speed detection system
FDPI-02 3AUA0000108650 Panel Bus adapter
IC695PSD040F Power module
RDCO-04C 68882915 DCS communication adapter
DI581-S 1SAP284000R0001 Digital input module
DX581-S 1SAP284100R0001 Digital input/Output module
TU582-S 1SAP281200R0001 I/O terminal device
TU516 1SAP212000R0001 I/O terminal Unit
DO524 1SAP240700R0001 Digital output module
HDS04.2-W200N-HT01-01-FW Drive controller
HDS04.2-W200N-HS32-01-FW Drive controller
HDS05.2-W300N-HT46-01-FW Drive controller
140NOC78000 Ethernet DIO network module
WS-C2960X-48TS-LL Ethernet switch
1756-OF6CI isolation analog output module
1783-ETAP Embedded switch
R88D-KT10F servo driver Omron
MPL-B890C-MJ74AA high quality permanent magnet rotating servo motor
2198-D032-ERS3 dual-axis Kinetix servo drive
1769-IF4XOF2 analog input/output combination module
1769-OF8V analog output module
AAI141-h00/K4A00 AAI141 Analog input module
330103-00-04-10-02-05 3300 XL 8mm short range probe
2093-AC05-MP5 Integrated shaft module
2198-D012-ERS3 dual-axis inverter
1756-OF8A analog output module
1756-IF8A Analog input module
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