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spm dialogue of 2 person
spm dialogue of 2 people
Última atualização: 2022-04-15
Frequência de uso: 2
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spm dialogue of 2 person complaint
spm dialogue of 2 person complaint
Última atualização: 2021-06-02
Frequência de uso: 1
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spm dialogue of 4 person
spm dialogue of 2person
Última atualização: 2017-07-02
Frequência de uso: 12
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dialogue of 5 person
dialogue of the 5 person
Última atualização: 2017-02-19
Frequência de uso: 2
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spm dialogue of 3 person vacation
spm dialogue of 3 person vacation
Última atualização: 2017-01-11
Frequência de uso: 1
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writing dialogue 2 person
2 person writing dialogue
Última atualização: 2015-08-10
Frequência de uso: 1
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dialogue of 3 person holiday
dialogue of 3 person holiday
Última atualização: 2020-07-06
Frequência de uso: 2
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dialogue of 3 person in french
dialogue of 3 person in french
Última atualização: 2021-04-15
Frequência de uso: 2
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dialogue of 3 person birthday suprise
dialogue of 3 person birthday suprise
Última atualização: 2021-01-08
Frequência de uso: 1
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dialogue of 3 person complaint broken phone
3 person complaint dialogue of broken phone
Última atualização: 2017-09-06
Frequência de uso: 3
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dialogue of 4 people complaint
dialogue complaint of 4 people
Última atualização: 2016-03-30
Frequência de uso: 1
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% 1 percentage of% 2
in this exercise you have to factorize a given number. you have to enter all prime factors of the number. you can add a prime factor by clicking on the corresponding button. the chosen prime factors will be shown in the input field. do not forget to enter all prime factors, even when a prime factor repeats several times. click the'backspace 'button to remove the last entered prime factor.
for a further term of 2 months from the expiry of the contract period.
legal translation
Última atualização: 2016-11-25
Frequência de uso: 1
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80 gb disk" or "partition 2 of 2 gb thumb driveintel ssdsa2mh080g1gc45abx21/dev/sdaone-liner-drive
partition %d of %s
Última atualização: 2014-08-20
Frequência de uso: 1
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Aviso: contém formatação HTML invisível
friction and wear pose significant concerns in sliding contact applications involving stainless steel components, especially in industries such as food packaging and processing, medical equipment, automotive, and industrial machinery. while stainless steel is preferred for its mechanical properties and corrosion resistance in these industries, friction, and wear can compromise the performance and durability of components and even lead to risks of food contamination. polytetrafluoroethylene (ptfe) has been widely utilized as a lubricant due to its low shear strength and excellent self-lubricating properties, effectively reducing friction and wear. however, there is a lack of comprehensive analysis regarding the friction and wear behaviour of stainless steel under reciprocating sliding contact with ptfe. this study aims to analyse the tribological behaviour of stainless steel and ptfe through experimental investigations. the friction and wear experiments were conducted under ambient conditions in a ball-on-flat arrangement following the standard testing procedures of astm g133, astm g171, astm f732, astm d1894, and astm g132. the tests were carried out at a constant sliding speed of 0.1 m/s and a nominal load of 1 n, 3 n, 6 n, 9 n, 12 n, 15 n, and 18 n, with each test repeated 21 times. each sample was inspected three times, with various radius position configurations of 2 mm, 6 mm, and 10 mm. the results revealed that the coefficient of friction decreases by 10% with an increased load, while the specific wear rate, wear track width and contact area increase by 30%, 10%, and 27% respectively. by analysing the coefficient of friction, wear rate, and wear track width, industries can optimize the design and performance of stainless steel and ptfe components in applications such as food packaging and processing.
Última atualização: 2023-06-30
Frequência de uso: 2
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