WO2001061306A2 - Procede pour mesurer un parametre physique d'une matiere poreuse - Google Patents

Procede pour mesurer un parametre physique d'une matiere poreuse Download PDF

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Publication number
WO2001061306A2
WO2001061306A2 PCT/RU2001/000059 RU0100059W WO0161306A2 WO 2001061306 A2 WO2001061306 A2 WO 2001061306A2 RU 0100059 W RU0100059 W RU 0100059W WO 0161306 A2 WO0161306 A2 WO 0161306A2
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WO
WIPO (PCT)
Prior art keywords
pressure
maτeρiala
zhidκοsτi
liquid
πρi
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PCT/RU2001/000059
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English (en)
Russian (ru)
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WO2001061306A3 (fr
Inventor
Vladimir Nikolaevich Belonenko
Vladimir Mikhailovich Troitsky
Jury Eduardovich Belyaev
Alexei Evgenievich Ryzhov
Nataliya Vasilevna Savchenko
Original Assignee
Vladimir Nikolaevich Belonenko
Vladimir Mikhailovich Troitsky
Jury Eduardovich Belyaev
Alexei Evgenievich Ryzhov
Nataliya Vasilevna Savchenko
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.)
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Publication date
Priority claimed from RU2000103519/28A external-priority patent/RU2172942C1/ru
Priority claimed from RU2001103622/28A external-priority patent/RU2181883C1/ru
Application filed by Vladimir Nikolaevich Belonenko, Vladimir Mikhailovich Troitsky, Jury Eduardovich Belyaev, Alexei Evgenievich Ryzhov, Nataliya Vasilevna Savchenko filed Critical Vladimir Nikolaevich Belonenko
Priority to AU2001237844A priority Critical patent/AU2001237844A1/en
Publication of WO2001061306A2 publication Critical patent/WO2001061306A2/fr
Publication of WO2001061306A3 publication Critical patent/WO2001061306A3/fr

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    • 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
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/0806—Details, e.g. sample holders, mounting samples for testing
    • 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
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N2015/0813—Measuring intrusion, e.g. of mercury

Definitions

  • the method of measuring the separation of the sizes is known, including the measurement of the initial volume of the material, the displacement of the material in the liquid chamber, an increase in the pressure of the oil ⁇ ⁇ 01/61306 ⁇ / ⁇ / 00059
  • the limitation of the method is the possibility of only an approximate evaluation of the availability of material at the time of filling. This is due to the fact that the filling of the sample is carried out due to uninterrupted pressure and uninterrupted pressure.
  • the pressure drop ⁇ in this technical solution is set at 50 atm and is maintained manually, which is difficult to tolerate with high accuracy.
  • shear viscosity ⁇ 5 of the filtered fluid is used; In addition, it does not take into account its dependence on pressure, but, on the other hand, it implements the pressure and implements pressure
  • scheniem ma ⁇ e ⁇ iala in ⁇ ame ⁇ e with zhid ⁇ s ⁇ yu therein ⁇ azmeschayu ⁇ e ⁇ u zhid ⁇ s ⁇ increases the pressure in vayu ⁇ ⁇ ame ⁇ e and izme ⁇ yayu ⁇ szhimaem ⁇ s ⁇ zhid ⁇ s ⁇ i, ⁇ i izme ⁇ enii ⁇ bema zhid ⁇ s ⁇ i, vdavlenn ⁇ y in ma ⁇ e ⁇ ial, ⁇ dn ⁇ v ⁇ emenn ⁇ izme ⁇ yayu ⁇ v ⁇ emennuyu ⁇ a ⁇ a ⁇ e ⁇ i- s ⁇ i ⁇ u ⁇ ame ⁇ e pressure and / or ⁇ bema zhid ⁇ s ⁇ i therein for na ⁇ zhdeniya ⁇ ch ⁇ i ⁇ e ⁇ e- bending, ⁇ ⁇ y ⁇ edelyayu ⁇ m ⁇ men ⁇ ⁇ ln ⁇ g ⁇ in
  • P ⁇ s ⁇ avlennaya task ⁇ eshae ⁇ sya ⁇ a ⁇ zhe ⁇ em, ch ⁇ in va ⁇ ian ⁇ e s ⁇ s ⁇ ba izme ⁇ eniya ⁇ is ⁇ s ⁇ i, v ⁇ lyuchayuschem izme ⁇ enie ⁇ e ⁇ v ⁇ nachaln ⁇ g ⁇ ⁇ bema ma ⁇ e ⁇ iala, ⁇ azmesche- of ma ⁇ e ⁇ iala in ⁇ ame ⁇ e zhid ⁇ s ⁇ yu with increase in pressure for ⁇ ame ⁇ e vdavliva- Nia zhid ⁇ s ⁇ i in ma ⁇ e ⁇ ial, izme ⁇ enie ⁇ bema zhid ⁇ s ⁇ i, vdavlenn ⁇ y in ma ⁇ e ⁇ ial, in uche ⁇ the measured volume of the liquid of the product associated with the presence of gas in the material, the separation of the pressure of the material and the pressure of the pressure of the pressure s
  • the pressure in the chamber was additionally increased to a value that increased the pressure of the full filling by at least 5 times; - an additional increase in pressure in the chamber was exerted by pressures
  • V ⁇ is the volume of liquid at pressure ⁇ as a result of the pressure loss of the bar, which is a variable total pressure.
  • V - liquid volume at pressure iretableRank ⁇ for the case when the liquid and the material are located in the chamber, ⁇ ,, Consequently and the volume of liquid for pressure ⁇ and ⁇ ⁇ , is equivalent to that of the liquid.
  • ⁇ ⁇ * is the total volume ⁇ and pressure ⁇ , ⁇ ⁇ ⁇ - ⁇ ,.
  • ⁇ " x + ⁇ ⁇ m - ⁇ av ⁇ a on ⁇ bem zhid ⁇ s ⁇ i, vdavlenn ⁇ y in ⁇ y ⁇ i change in pressure ⁇ nenii, ⁇ busl ⁇ vlennaya szhimaem ⁇ s ⁇ yu ⁇ w zhid ⁇ s ⁇ i and de ⁇ mi ⁇ ue- m ⁇ s ⁇ yu ⁇ m ma ⁇ e ⁇ iala,
  • ⁇ x - ⁇ bem zhid ⁇ s ⁇ i ⁇ i ⁇ cF> ⁇ m - ⁇ bem ma ⁇ e ⁇ iala ⁇ i ⁇ cF: ⁇ m ⁇ z - [ ⁇ - ⁇ ⁇ ( ⁇ cF) - ⁇ ], ⁇ ⁇ - ⁇ bemnaya vyaz ⁇ s ⁇ zhid ⁇ s ⁇ i ⁇ i ⁇ cF, ⁇ - ⁇ a ⁇ ame ⁇ ge ⁇ me ⁇ iches ⁇ i ⁇ ⁇ azme ⁇ v ma ⁇ e ⁇ iala ⁇ i ⁇ cF, ⁇ - ⁇ l ⁇ n ⁇ s ⁇ zhid ⁇ s ⁇ i ⁇ i s ⁇ ednem pressure ⁇ cF, vybi ⁇ ae ⁇ sya of s ⁇ av ⁇ chny ⁇ rendy ⁇ , t - ⁇ is ⁇ s ⁇ ma ⁇ e ⁇ iala, vybi ⁇ ae ⁇ sya
  • ⁇ ⁇ , ⁇ 2 are the values of pressures for two speed compressions, respectively, in addition to the same values of the camera volume, ⁇ / ⁇ / 00059
  • FIG. 1 - device is used for the implementation of the claimed method;
  • ⁇ ig. 5 the temporal dependence of the volumetric total volume of the liquid in the process of indentation into the material
  • ⁇ ig. 6 the baric dependence of the output total volume in the process of indenting the material in the process
  • ⁇ ig. 14 temporal dependences of the relative volume of liquid due to two rapid compression
  • ⁇ ig. 15 dependences of the rate of change of the fluid deformation due to the relatively high volume of the liquid under two quick compresses
  • Fig. 16 is the baric dependence of the volumetric viscosity of the liquid.
  • the step-by-step motion of the step-by-step motor 9 through the drive 10 is converted into the step-by-step motion of the step 12.
  • the speed of the motor is independent and the speed is independent of the shaft.
  • the minimum linear displacement of the engine at one step is 0.04 microns.
  • Measurement 1 is filled with liquid 4 and, at the same time, the temperature is measured in real time, depending on the pressure of the fluid.
  • the received data is conveniently supplied in the form of a dependence on the positive volume ⁇ / ⁇ ⁇ (V is the current volume at the given pressure ⁇ , ⁇ ⁇ is the initial pressure * .
  • V is the current volume at the given pressure ⁇
  • ⁇ ⁇ is the initial pressure * .
  • An example of this is for kerosyn in the range of pressures up to 50 PS and a temperature of 20 ° C is shown in fig. 2, turning 1. From FIG. 2, it can be seen that with increasing pressure up to 50%, the volume of the pressure as compared to the volume of pressure and atmospheric pressure decreases by 3%.
  • P ⁇ i further pressure ⁇ vyshenii sve ⁇ 3 ⁇ Pa, zavisim ⁇ s ⁇ ⁇ n ⁇ - si ⁇ eln ⁇ g ⁇ summa ⁇ n ⁇ g ⁇ ⁇ ⁇ ⁇ bema ⁇ vy ⁇ di ⁇ pressure on ⁇ lavnuyu ⁇ l ⁇ guyu ⁇ i--hand, ch ⁇ g ⁇ v ⁇ i ⁇ ⁇ ⁇ m, ch ⁇ ⁇ v ⁇ e ⁇ s ⁇ ans ⁇ v ⁇ already za ⁇ lnen ⁇ zhid ⁇ s ⁇ yu ⁇ i and further pressure ⁇ vyshenii ⁇ is ⁇ di ⁇ ⁇ l ⁇ szha ⁇ ie zhid ⁇ s ⁇ i and sam ⁇ g ⁇ Ma-
  • the pressure is as a result of the action of the forces of hydraulic pressure.
  • Formula (2) is supplied without taking into account the compressibility of the liquid and the deformability (compressibility of the sample skeleton) of the material, and also without regard to compressing it to the gas.
  • the food due to the fact that partly even the material is supplied under pressure, remains filled with compressed gas and is not allowed to be filled with oil, as follows.
  • the total volume ⁇ ⁇ ⁇ ⁇ is equal to the sum of the volume ⁇ 7- ⁇ / ⁇ ] of the pressure fluid and the volume of air ⁇ ⁇ , which is squeezed into pressure:
  • V, 1 - ⁇ ⁇ t (7) ⁇ . l ⁇
  • the manual formula for accounting for compressible ⁇ and liquid in the case of measuring the speed of the material using the proposed method can be obtained by the following method.
  • V ⁇ ⁇ where is the volume of the liquid as the pressure function ⁇ , ⁇ , ⁇ is the decrease in the volume of the liquid and pressure, respectively, when the pressure ⁇ ⁇ is zero. From formula (8) we find the absolute deformation of the liquid ⁇ g .
  • Deys ⁇ vi ⁇ eln ⁇ , s ⁇ glasn ⁇ ⁇ mule (8) changes ⁇ bema zhid ⁇ s ⁇ i ⁇ Well in the case of increasing pressure gid ⁇ s ⁇ a ⁇ iches ⁇ g ⁇ Nia ⁇ ⁇ ⁇ and d ⁇ P in izme ⁇ i ⁇ eln ⁇ y ⁇ ame ⁇ e 1 ⁇ meschennym in neg ⁇ ⁇ b ⁇ azts ⁇ m ma ⁇ e ⁇ iala 3 ⁇ avn ⁇ : 16
  • ⁇ ⁇ , ( ⁇ ⁇ - ⁇ ⁇ 2 ) - ⁇ 1 - (1 9)
  • ⁇ a ⁇ ⁇ mechal ⁇ s on account av ⁇ ma ⁇ iches ⁇ g ⁇ ⁇ eguli ⁇ vaniya, m ⁇ zhn ⁇ uvelichiva ⁇ pressure ⁇ ame ⁇ e 1 and / or d ⁇ lni ⁇ eln ⁇ uvelichiva ⁇ pressure ⁇ ame ⁇ e 1 s ⁇ s ⁇ - s ⁇ yu, ⁇ bes ⁇ echivayuschey iz ⁇ e ⁇ miches ⁇ e usl ⁇ vie indentation in zhid ⁇ s ⁇ i ma ⁇ e ⁇ ial, ⁇ s ⁇ l ⁇ u us ⁇ ys ⁇ v ⁇ ( ⁇ ig. 1) snabzhen ⁇ da ⁇ chi ⁇ m 7 ⁇ em ⁇ e ⁇ a ⁇ u ⁇ y and ⁇ vachen ⁇ ⁇ b ⁇ a ⁇ - by a new connection with unit 18, which operates an operable device 8.
  • this method of dividing the process makes it possible to measure the changes in the physical process, to take into account the compressive process.
  • the process of measuring the separation of the sizes is carried out as follows. Non-wetting fluid is sampled. A simple sample environment is considered as a combination of cylindrical cylindrical channels of different diameters.
  • the pressure ⁇ depends on the magnitude of the constant tension ⁇ of the liquid and the wetting angle ⁇ with it of the material sample and is expressed by 24 particle size (lap):
  • the distribution system is divided in the form of differential measurements.
  • the procedure for measuring the size of the parameters includes the following steps:
  • the process of measuring incidence is the following.
  • Section 1 is initially filled with liquid 4 and, at the same time, the temperature is measured at the real scale of the dependence of the volume of the liquid on the pressure.
  • Za ⁇ em in ⁇ ame ⁇ u 1 ⁇ meschayu ⁇ ma ⁇ e ⁇ ial 3 and ⁇ izv ⁇ dya ⁇ izme ⁇ eniya ba ⁇ iches ⁇ y and v ⁇ emenn ⁇ y zavisim ⁇ s ⁇ i summa ⁇ n ⁇ g ⁇ ⁇ bema zhid ⁇ s ⁇ i 4.
  • ⁇ is the pressure drop across the sample of material 3 long
  • ⁇ is the volume of liquid 4
  • the volume is at , ⁇ 3 - shear viscosity.
  • Susches ⁇ vennym ⁇ lichiem ⁇ edlagaem ⁇ g ⁇ s ⁇ s ⁇ ba ⁇ s ⁇ avneniyu with susches ⁇ - vuyuschimi yavlyae ⁇ sya ⁇ , ch ⁇ , v ⁇ - ⁇ e ⁇ vy ⁇ in ⁇ edlagaem ⁇ m s ⁇ s ⁇ be is ⁇ lzue ⁇ sya ⁇ bem- Nye ⁇ il ⁇ atsiya zhid ⁇ s ⁇ i 4 ⁇ vy ⁇ bem ma ⁇ e ⁇ iala 3 che ⁇ ez entire ⁇ ve ⁇ n ⁇ s ⁇ ma ⁇ e ⁇ iala 3 instead che ⁇ ez ⁇ tsy.
  • this filtering is subject to continuous pressure surges due to the atmospheric pressure ⁇ * full pressure.
  • the temporal dependence of the change in the volume of the fluid 4 (Fig. 12) is broken up for the ⁇ d 7 corresponds to changes in the volume ⁇ ⁇ (Fig. 12).
  • ⁇ suppl ⁇ ( ⁇ 2 + ⁇ ) / 2 - average pressure at the intermediate time ⁇ (, ⁇ ⁇ - volumetric viscosity of the liquid 4 at the given average pressure ⁇ réelle ⁇ , 25
  • zhid ⁇ s ⁇ i 4 ⁇ y ma ⁇ e ⁇ iala 3 change ⁇ bema zhid ⁇ s ⁇ i 4 ⁇ is ⁇ di ⁇ not ⁇ l ⁇ on account za ⁇ lneniya ⁇ , n ⁇ and on account szhimaem ⁇ s ⁇ i sam ⁇ y zhid ⁇ s ⁇ i 4 and de ⁇ mi ⁇ uem ⁇ s ⁇ i ma ⁇ e ⁇ iala 3, ⁇ in ⁇ beme zhid ⁇ s ⁇ i ⁇ , ⁇ - ⁇ il ⁇ vann ⁇ m ⁇ i indentation for ⁇ v ⁇ emya (It is necessary to take into account the effects of these factors.
  • ⁇ m is a company due to the availability of material 3 and a separate code: ⁇ Well , ⁇ - compressibility of liquid 4 and material 3 are relevant; ⁇ W , ⁇ 5 - the volume of liquid 4 and material 3 are respectively.
  • ⁇ ⁇ is the volume of liquid 4, except for filling chamber 1 with liquid 4 only (turning 1, fig. 2).
  • the indicated formula is satisfactory and slow indentation of fluid 4 in material 3, i.e. and small filtration speeds under conditions of a laminar flow.
  • Pa ⁇ ame ⁇ ge ⁇ me ⁇ iches ⁇ i ⁇ ⁇ azme ⁇ v ma ⁇ e ⁇ iala ⁇ mule ⁇ in (33) ⁇ i a ⁇ m ⁇ - s ⁇ e ⁇ ny ⁇ usl ⁇ viya ⁇ bude ⁇ ⁇ aven ⁇ n ⁇ sheniyu ⁇ l ⁇ schadi ma ⁇ e ⁇ iala eg ⁇ ⁇ bemu 5 ⁇ ⁇ ⁇ : ⁇ 8 ⁇ / ⁇ , where 8 ⁇ - ⁇ l ⁇ schad ⁇ ve ⁇ n ⁇ s ⁇ i ma ⁇ e ⁇ iala 3 ⁇ i a ⁇ m ⁇ s ⁇ e ⁇ n ⁇ m pressure, ⁇ z - ⁇ bem ma ⁇ e ⁇ iala 3 ⁇ i atmospheric pressure.
  • ⁇ mes ⁇ sdvig ⁇ v ⁇ y vyaz ⁇ s ⁇ i n 3 for ⁇ edlagaem ⁇ g ⁇ s ⁇ s ⁇ ba d ⁇ lzhna is ⁇ lzs - va ⁇ sya ⁇ bemnaya vyaz ⁇ s ⁇ ⁇ ⁇ , Deys ⁇ vi ⁇ eln ⁇ , vses ⁇ nnee szha ⁇ ie zhid ⁇ s ⁇ i 4 ⁇ i za ⁇ lnenii ⁇ ma ⁇ e ⁇ iala 3 s ⁇ v ⁇ zhdae ⁇ sya dissi ⁇ a ⁇ ivnymi ⁇ e ⁇ yami, ⁇ ye ass ⁇ tsii ⁇ uyu ⁇ sya ⁇ en ⁇ men ⁇ l ⁇ giches ⁇ i with ⁇ a ⁇ ame ⁇ m ⁇ bemn ⁇ y vyaz ⁇ s ⁇ i.
  • ⁇ ⁇ in the chamber 1 holds the liquid 4 and discharge
  • ⁇ , ⁇ 2 are the pressure values of two and two quick compressions and the same values of the volume of the chamber 1; 3 / s ⁇ ( ⁇ / ⁇ ) 2 -.
  • S ⁇ - s ⁇ ey value changes de ⁇ matsii zhid ⁇ s ⁇ i 4 ⁇ i dvu ⁇ s ⁇ s ⁇ ya ⁇ iz ⁇ e ⁇ miches ⁇ g ⁇ szha ⁇ iya and ⁇ dina ⁇ vy ⁇ znacheniya ⁇ ⁇ bema ⁇ ame ⁇ y 1.
  • the differential device 16 allows for the selection of a high degree of independence.
  • the meaning of / is given in block 15 of the data processing, in which case finding ⁇ is issued.
  • ⁇ nal ⁇ gichn ⁇ , bl ⁇ m ⁇ b ⁇ ab ⁇ i since ⁇ is given in block 15 of the data processing, in which case finding ⁇ is issued.
  • ⁇ nal ⁇ gichn ⁇ , bl ⁇ m ⁇ b ⁇ ab ⁇ i ⁇ izv ⁇ di ⁇ sya ⁇ dsche ⁇ ⁇ bema ⁇ zhid ⁇ s ⁇ i 4 vdavlenn ⁇ y in ⁇ y ma ⁇ e ⁇ iala 3, ⁇ - ⁇ av ⁇ i ⁇ "on szhimaem ⁇ s ⁇ zhid ⁇ s ⁇ i 4 and de ⁇ mi ⁇ uem ⁇ s ⁇ ma ⁇ e ⁇ iala 3 ⁇ dsche ⁇ ⁇ bemn ⁇ y vyaz ⁇ s ⁇ i, ⁇ a ⁇ ame ⁇ a ge ⁇ me ⁇ i
  • ⁇ e ⁇ m case ⁇ edlagaem ⁇ m s ⁇ s ⁇ be is ⁇ lzue ⁇ sya dvuchlenn ⁇ e u ⁇ av- nenie ⁇ il ⁇ atsii, anal ⁇ gichn ⁇ e u ⁇ avneniyu ⁇ eyn ⁇ ldsa in ⁇ yam ⁇ y ⁇ ube, n ⁇ uchi ⁇ y- vayuschee ⁇ bemnuyu vyaz ⁇ s ⁇ zhid ⁇ s ⁇ i 4
  • the proposed method may also be used to measure the phase difference in partially saturated samples.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
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  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)

Abstract

Le procédé de l'invention consiste en ce qui suit: mesurer le volume initial d'une matière, placer cette matière dans une chambre contenant un liquide, augmenter la pression dans la chambre de manière à enfoncer le liquide dans la matière, mesurer le volume du liquide enfoncé dans la matière et déterminer le paramètre physique d'intérêt. Avant de placer la matière dans la chambre en question, on y met du liquide; on augmente la pression dans la chambre et l'on mesure la compressibilité du liquide. Lors de la mesure du volume du liquide enfoncé dans la matière on mesure en même temps une caractéristique temporelle de la pression dans la chambre et/ou du volume du liquide, et ce pour établir le point d'inflexion qui permet de déterminer le moment auquel le liquide est complètement enfoncé dans la matière. Une fois le liquide complètement enfoncé dans la matière, on augmente la pression dans la chambre et l'on mesure la déformabilité de la matière. Pour le volume du liquide mesuré, on prend en ligne de compte des corrections supplémentaires liées à la compressibilité du liquide et à la déformabilité de la matière. L'invention comporte des variantes de ce procédé permettant de mesurer la porosité, la répartition des pores en fonction de la taille et la pénétrabilité.
PCT/RU2001/000059 2000-02-15 2001-02-14 Procede pour mesurer un parametre physique d'une matiere poreuse WO2001061306A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001237844A AU2001237844A1 (en) 2000-02-15 2001-02-14 Method for measuring a physical parameter of a porous material

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
RU2000103519 2000-02-15
RU2000103519/28A RU2172942C1 (ru) 2000-02-15 2000-02-15 Способ измерения пористости и способ измерения распределения пор по размерам
RU2001103622 2001-02-09
RU2001103622/28A RU2181883C1 (ru) 2001-02-09 2001-02-09 Способ измерения проницаемости

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WO2001061306A2 true WO2001061306A2 (fr) 2001-08-23
WO2001061306A3 WO2001061306A3 (fr) 2001-12-20

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2327642A (en) * 1938-01-03 1943-08-24 Core Laborateries Inc Method and apparatus for measuring porosity of solids
DE1220174B (de) * 1964-01-14 1966-06-30 Commissariat Energie Atomique Porosimeter
US3882714A (en) * 1972-11-29 1975-05-13 Veitscher Magnesitwerke Ag Porosimeter
SU1224676A1 (ru) * 1984-10-09 1986-04-15 Ордена Трудового Красного Знамени Институт Проблем Материаловедения Ан Усср Способ определени распределени пор по размерам
EP0368716A1 (fr) * 1988-11-04 1990-05-16 Jean Del-Fiol Procédé et dispositif pour tester la perméabilité des combinaisons étanches telles que notamment utilisées dans le domaine aéronautique
RU2040534C1 (ru) * 1985-12-26 1995-07-25 Асахи Касей Когио Кабусики Кайся Термопластичная композиция

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2327642A (en) * 1938-01-03 1943-08-24 Core Laborateries Inc Method and apparatus for measuring porosity of solids
DE1220174B (de) * 1964-01-14 1966-06-30 Commissariat Energie Atomique Porosimeter
US3882714A (en) * 1972-11-29 1975-05-13 Veitscher Magnesitwerke Ag Porosimeter
SU1224676A1 (ru) * 1984-10-09 1986-04-15 Ордена Трудового Красного Знамени Институт Проблем Материаловедения Ан Усср Способ определени распределени пор по размерам
RU2040534C1 (ru) * 1985-12-26 1995-07-25 Асахи Касей Когио Кабусики Кайся Термопластичная композиция
EP0368716A1 (fr) * 1988-11-04 1990-05-16 Jean Del-Fiol Procédé et dispositif pour tester la perméabilité des combinaisons étanches telles que notamment utilisées dans le domaine aéronautique

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AU2001237844A1 (en) 2001-08-27

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