CFHI Technology 2002 Issue 4 On-line detecting of earth failure of low voltage DC power supply network

On-line detecting of earth failure of low voltage DC power supply network
du qing bo

..............page:50-50

Testing by T-R probe
bian heng cai ; pu qi xia ; zhao zhi qiang

..............page:48-49

Investigation of crown occur red in house by anti-water asphalt felt
sun zuo ; zhang lin ; qiao li qiang

..............page:90-91

Elementary discussion on step frozen expansion in special cold area
zong jia ning ; tian zhi ge ; kang yong

..............page:91-92

Generating and control of large cubic steel concrete crack
zong jia ning ; chen zhong jie ; wu qing jun

..............page:92-93

How to control water lose rate of heat supply pipeline
wang ge ; wang ying

..............page:93-94

Thinking on quality evaluation of utilizing test piece for steel concrete structure
duan fa hong

..............page:94-95

Influence of enter WTO for building building enterprise of our country
wang wei kun ; xu xiang yong

..............page:95-96

Elementary talk on how to reduce production technical preparation cycle
chi xiao feng ; xiao jian ; jiang yan chun

..............page:97-98

Relationship between cost facticity and product marketing price anticipation
zhang jing ping ; wang an chun ; liu jin hong

..............page:98-99

Talk on validity of management evaluation and review
yang tao

..............page:99-100

Elementary talk on basic work of enterprise power management
li xiao feng ; lv yan ; zhang mei hua

..............page:100-101

Talk on conversion function of enterprise production system
song cheng hai ; gao lian qun

..............page:101-103

Brief introduction of testing method on pressure vessel helium leakage
liu yan dong ; liu jin hua ; gao zhen bo ; sun qi jun

..............page:51-52

Anatomy on running of 75t/h circulating fluid bed boiler
wang ling ; chen shu xia

..............page:52-53

Fuel returning stop of circulating fluid bed boiler
wang yan jun ; li xiang ; chai yong guo

..............page:54-55

Reason on failures happened easily during fuel oil (gas) boiler running
qi wei min ; wang ting ying

..............page:55-56

Development and application of Information management system on Bill of Material of hot processing manufacture
yin yan ling ; jia zuo ; liu jia qi

..............page:56-57

Elementary talk on application of computer for file management
zou jin zuo ; zhao hui

..............page:57-58

LAN (local area network) configuration plan
wang ; zhang de quan ; zhao wen hui

..............page:58-59

Research and application of welding production information management system
hu yu jie ; xu feng

..............page:59-60

Management of production process by computer aided cold procedure
hu yu jie ; zhang li

..............page:61-62

Computer monitoring of DC system
li jing yu

..............page:62-63

Elementary analysis of post fracture reason of 6000t hydraulic press
guan teng ; fang chun lin

..............page:63-65

Repairing cylinder plunger of hydraulic press by build-up welding
deng zhi hui ; wang jun ; wang zhan hua

..............page:66-66

Feeding system of Czech W160HA boring machine
zhu bo ; yao li hua

..............page:67-68

Technical revamping of 300t cold shear
han yue chun

..............page:68-69

Special problem treatment during application of ZQJ-230E mass-spectrometer leak detector
li jing chun

..............page:69-70

Revamping construction of anti-friction coating rail of working table of large scale gantry-type milling machine
cui bao rong

..............page:70-71

Insertion and arrangement of cylindrical gear wheel tooth
shao hong xia ; wang ying li

..............page:72-73

Several basic requirements should be considered during inspection and maintenance of sliding bearing
qu zai hua

..............page:73-74

Countermeasure for pulling damage of pneumatic cylinder of engine
zheng wen hai ; guan jian

..............page:74-75

Application of mechanical sealing for bellows
jing liu ji ; jiang xiao dong

..............page:76-77

Brief description of utilizing lathe to machine thread
han hua qin

..............page:47-48

Brief description of key points of cross shaft machining
tian xing yan ; han hua qin

..............page:46-47

Application and procedure of built-up welding material of 5CrMnMo hot forging die steel
zhao guang yu

..............page:45-46

Principle to choose the optimum welding process method of pressure vessel
qiao li qiang ; sun qiang ; yuan yu jie

..............page:43-45

Treatment of coking of tar tube-type furnace by burning method
wang ming ce

..............page:77-78

Failure analysis on supply pump of MC50 hydrolysis tower
wang fang

..............page:78-79

Analysis on coking happened in reaction system of catalysis/cracking device
qi wei min ; wang ting ying

..............page:79-80

Application of PC-PLC constant arc impedance control technology for high power electric furnace revamping
li guang jun

..............page:80-82

Countermeasure on leakage of hot water circulation pump
wu shu zuo

..............page:82-83

Main reason of influencing engineering machinery service life
zheng wen hai ; jiang hong tao

..............page:83-84

Installation construction of Russian large scale NC gantry-type milling and boring machine
zhu wei ; chen yong chang

..............page:84-85

Performance and application of bridge support base
wang feng mian ; zhu wei

..............page:85-86

Reason analysis and prevention countermeasure of pouring reinforced concrete building floor crack
zhang lin ; qiao li qiang

..............page:86-87

Application of direct-inserted pipe with heat preservation by polyurethane
jiang jin hang ; yang guan qiu

..............page:88-89

Application and caution of ceramic imitating coating
wu qing jun ; zhang wen ying

..............page:89-89

"Five cycle operation plan" and its application
song cheng hai ; ge shu yi

..............page:103-105

Several points should be considered during high temperature adjusting valve manufacturing
he pei tang ; xu ji yang

..............page:25-27

Application of intermediate voltage frequency variable technology for improving running features of electric motor
liu xin min

..............page:23-25

Talk on concrete measures of whole machine preventing thunderbolt
wang zhong xiao ; liu wen liang

..............page:21-22

Design of digital modulator with multi-frequency modulation system
zhang hui

..............page:20-21

Network plan of 120t converter gear box of Jinan ISC
song cheng hai

..............page:105-107

Elementary talk on material management of industrial enterprise
zhang yong zuo

..............page:107-108

Management of bearing
zhang yong zuo

..............page:109-110

Elementary talk on development and utilization of file
liu ya juan ; wang zuo

..............page:110-111

Talk on how to well done file protection
wang zuo ; liu ya juan

..............page:111-112

Research on reform and opening and enterprise file/information demand
zhao hui ; zou jin zuo

..............page:112-113

Elementary talk on change of file and file management work
li hong xi

..............page:113-114

Safety education deeply execution to ensure safety in production
zhao xue dong ; wang zuo ling

..............page:114-115

Application of Pd catalyst for H2O2 production process by EAQ+AH method
xu xiu ping ; pei zhao fu

..............page:125-126

Regeneration role of Al2O3 for H2O2 production process by EAQ+AH method
ding ya jing

..............page:126-126

Moisture control of coal tar asphaltum
tian yi guo

..............page:127-127

Discussion on development and application of periodical
niu jing rong

..............page:128-128

Technical issues during manufacturing of 37Mn5 blank pipe by Mannesmann piercing machine
zhu hai zhen ; liu yu bin ; jiao hong wei

..............page:42-43

Free forging and forming of 50t lifting hook
wu feng sheng ; liu yun feng ; meng fan

..............page:40-42

Application of temperature program cotroller for aluminum alloy electric furnace
zhao jing wu

..............page:39-40

Prevention of sand inclusions of iron casting
wang ; sun liang ; fu hui min

..............page:38-39

Contact fatigue and carburized layer depth of carburized gear
zhou shang chen ; zhong guo xin ; wu hui

..............page:36-38

Carburizing steel alloying development and the influence of alloy element to carburizing steel
chu hong jie ; ji lian chun ; li qing bin

..............page:35-36

Research on 40Cr quick spheroidizing annealing process
li feng ; liu zhan dong ; wang de yu ; song fu jun

..............page:34-35

Brief description of special burner for baking new type ladle
fu yan gang ; liu guang bo ; cui ming ai

..............page:33-34

Research on quenching-and-tempering of large SA508CL.3 steel forging
zuo shan fu ; zhou guo qiang

..............page:30-33

Protection of electric motor in case of power supply missing phase
shi hong wei ; gao qiang

..............page:29-30

DCS configuration on protection of disconnection
shang tie jie ; zeng guo quan

..............page:28-29

Vibration and control of hydraulic control system of φ140 pipe rolling mill
wang zhong qiang ; qin zuo tian ; guo ji ye ; xue de fu

..............page:27-28

Analysis on shell conveying control mechanism of Russian AK-176M single 76mm naval ship gun
song yong bin ; sun wei sheng

..............page:19-20

Automatic liquid steel level control system of curved type continuous caster mould
li ying wu ; liu hui ; sun qing bo

..............page:18-18

Design and Application of oxygen-fuel fusion supporting system of No.2 electric furnace of Beiman Special Steel Corporation
liu si yuan ; gao qiang ; liu kun ; li bin ; shi hong wei

..............page:17-17

Elementary talk on static/dynamic balance of rigid rotor
chai yong guo ; wang yan jun ; li xiang

..............page:15-16

Design of drive mechanism of Fuyang high pressure silence water tank car
zhou shang chen ; zhang dao cai

..............page:14-15

Elementary talk on Newt type 900t mixer furnace
zhang xiang wei ; zhou li ping ; wang zhi gang

..............page:12-13

Application of electromagnetic stirring for continuous casting
fu hai yan ; li xiao qiang

..............page:11-12

Brief introduction of new process features of continuous caster with electric furnace
li xiao qiang ; fu hai yan ; yang hui jun

..............page:9-11

Load capacity reinforcement of Tippins mill Housing
zheng wen hai ; wang yong ; jiang hong tao

..............page:8-9

Wuhan 2250 E2 edger mill
nie xin lin ; jiang yi qiang ; zhao hua guo

..............page:6-8

Design and calculation of 1550 continuous hot galvanizing line entry looper of Baoshan ISC.
zhang xiao wei ; dong wei ming ; zhang yuan jian

..............page:4-5

Performance parameter variation during cutting of drum type crop flying shear
zhao hua guo ; liu wen wu

..............page:1-4

Problem and prospect of 21CN college and university library
zhao wen

..............page:115-116

Elementary talk on how to well done development and utilization of college and university file
zhang hong

..............page:117-118

Opening to the society is the developing direction of college and university library
niu jing rong

..............page:118-119

Elementary talk on several approaches to improve secretary level
wang zuo

..............page:119-120

Elementary analysis on the role of general rule of professional etiquette in the marketing economy
sun xiu yun ; liu li hua

..............page:121-122

Preliminary investigation of employee education mode during the period of "the tenth five years's plan"
li ya ying

..............page:122-124

Expression supplement and deletion on translation of scientific and technical article in Russian
chen shi jun ; liu tong zuo ; hong hai ying

..............page:124-125