IT1167968B - PROCEDURE AND DEVICE PERFECTED FOR MEASURING THE DISTRIBUTION OF DUST DIMENSIONS - Google Patents

PROCEDURE AND DEVICE PERFECTED FOR MEASURING THE DISTRIBUTION OF DUST DIMENSIONS

Info

Publication number
IT1167968B
IT1167968B IT09504/81A IT950481A IT1167968B IT 1167968 B IT1167968 B IT 1167968B IT 09504/81 A IT09504/81 A IT 09504/81A IT 950481 A IT950481 A IT 950481A IT 1167968 B IT1167968 B IT 1167968B
Authority
IT
Italy
Prior art keywords
procedure
measuring
distribution
device perfected
dust
Prior art date
Application number
IT09504/81A
Other languages
Italian (it)
Other versions
IT8109504A0 (en
Inventor
Franco Francini
Giuseppe Longobardi
Original Assignee
Ottica Ist Naz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ottica Ist Naz filed Critical Ottica Ist Naz
Priority to IT09504/81A priority Critical patent/IT1167968B/en
Publication of IT8109504A0 publication Critical patent/IT8109504A0/en
Priority to GB08224703A priority patent/GB2108655B/en
Priority to DE19823232191 priority patent/DE3232191A1/en
Application granted granted Critical
Publication of IT1167968B publication Critical patent/IT1167968B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G01N15/0227—Investigating particle size or size distribution by optical means using imaging; using holography
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M11/00—Counting of objects distributed at random, e.g. on a surface
    • G06M11/02—Counting of objects distributed at random, e.g. on a surface using an electron beam scanning a surface line by line, e.g. of blood cells on a substrate
    • G06M11/04—Counting of objects distributed at random, e.g. on a surface using an electron beam scanning a surface line by line, e.g. of blood cells on a substrate with provision for distinguishing between different sizes of objects

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
IT09504/81A 1981-08-31 1981-08-31 PROCEDURE AND DEVICE PERFECTED FOR MEASURING THE DISTRIBUTION OF DUST DIMENSIONS IT1167968B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT09504/81A IT1167968B (en) 1981-08-31 1981-08-31 PROCEDURE AND DEVICE PERFECTED FOR MEASURING THE DISTRIBUTION OF DUST DIMENSIONS
GB08224703A GB2108655B (en) 1981-08-31 1982-08-27 A method and apparatus for measuring the distribution of pulverized particles
DE19823232191 DE3232191A1 (en) 1981-08-31 1982-08-30 METHOD AND DEVICE FOR MEASURING THE DISTRIBUTION OF PARTICLES, ESPECIALLY DUST PARTICLES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT09504/81A IT1167968B (en) 1981-08-31 1981-08-31 PROCEDURE AND DEVICE PERFECTED FOR MEASURING THE DISTRIBUTION OF DUST DIMENSIONS

Publications (2)

Publication Number Publication Date
IT8109504A0 IT8109504A0 (en) 1981-08-31
IT1167968B true IT1167968B (en) 1987-05-20

Family

ID=11131132

Family Applications (1)

Application Number Title Priority Date Filing Date
IT09504/81A IT1167968B (en) 1981-08-31 1981-08-31 PROCEDURE AND DEVICE PERFECTED FOR MEASURING THE DISTRIBUTION OF DUST DIMENSIONS

Country Status (3)

Country Link
DE (1) DE3232191A1 (en)
GB (1) GB2108655B (en)
IT (1) IT1167968B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3811332A1 (en) * 1988-04-02 1989-10-12 Truetzschler & Co DEVICE IN SPINNING PREPARATION FOR DETECTING THE QUANTITY OF FIBER MATERIAL e.g. FROM COTTON, CHEMICAL FIBERS AND THE LIKE THOSE THROUGH A LINE, CHANNEL OD. DGL. WILL BE PROMOTED
CN109990834A (en) * 2019-03-27 2019-07-09 东南大学 High-temperature flight particle temperature, speed, partial size in-situ measuring method

Also Published As

Publication number Publication date
DE3232191A1 (en) 1983-03-10
GB2108655A (en) 1983-05-18
GB2108655B (en) 1985-07-03
IT8109504A0 (en) 1981-08-31

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