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The improving effect of reduced glutathione on boar sperm cryotolerance is related with the intrinsic ejaculate freezability.

• Author(s) : YESTE M., ESTRADA E., PINART E., et al.
• Publication date: 2014/04
• Languages : English
• Keywords : Sperm, Boar, Survival, Molecule, Cryopreservation, Freezing
• Source: Cryobiology - vol. 68 - n. 2

IIR document

Ultrasound-assisted cryopreservation of gametes.

• Author(s) : TANNERT A., OTTO S., HOEROLD J., et al.
• Publication date: 2016/09/08
• Languages : English
• Source: 2^nd IIR Workshop on cold applications in life sciences.
• Formats : PDF

Cryoscanning electron microscopy (Cryo-SEM) of semen frozen in medium-straws from good and sub-standard freezer AI-boars.

• Author(s) : HERNÁNDEZ M., EKWALL H., ROCA J., et al.
• Publication date: 2007/02
• Languages : English
• Keywords : Sperm, Ice, Electron microscopy, Boar, Cryopreservation, Crystallization
• Source: Cryobiology - vol. 54 - n. 1

IIR document

MINCES FROM SNIPE FISH (MACRORHAMPHOSUS SPP) AND BOAR-FISH (CAPROS APER) GUTTED AND CLEANED BY A CHEMICAL AND PHYSICAL METHOD.

• Author(s) : NUNES M. L.
• Publication date: 1983/08/07
• Languages : English
• Keywords : Mince, Boar, Organoleptic property, Fish, Colour, Acetic acid
• Source: [Refrigeration serving humanity]. Proceedings of the XVI^th international Congress of Refrigeration.
• Formats : PDF

The effect of cooling rate on the survival of cryopreserved bull, ram, and boar spermatozoa: a comparison of two controlled-rate cooling machines.

• Author(s) : KUMAR S., MILLAR J. D., WATSON P. F.
• Publication date: 2003/06
• Languages : English
• Keywords : Sperm, Ram, Comparison, Bull, Boar, Research, Survival, Cryopreservation
• Source: Cryobiology - vol. 46 - n. 3

Effect of sodium ascorbate and tocopherol acetate on the quality of minced pork during refrigerated storage.

• Author(s) : SAHOO J., KARWASRA R. K., HOODA S., et al.
• Publication date: 2005/05
• Languages : English
• Source: Int. J. Food Sci. Technol. - vol. 42 - n. 3

Briefs: AC on board ships

Oasis of the Seas, the world¡¯s largest cruise liner, recently left Florida on its first public voyage. It can carry over 6000 passengers and 2300 staff. The Oasis of the Seas was built in Finland at a cost of GBP 800 million, making it the most...

• Publication date : 2010/03/07

The California Air Resources Board approves plan for reducing short-lived climate pollutants, including HFCs

In a statement released on March 23, 2017 the California Air Resources Board (CARB) announced its approval of a plan to curb short-lived climate pollutants (SLCPs).

• Publication date : 2017/04/02
• Subjects: Regulation, HFCs alternatives

Carbon capture on board LNG-fuelled ships

A project involving science and industry partners has received EU funding to accelerate the uptake of ship-based carbon capture on LNG-fuelled ships.

• Publication date : 2022/06/13
• Subjects: Technology, Environment

Research Project CoolFish to explore energy efficient cooling systems on board fishing vessels

The recently launched research project, CoolFish, aims to explore energy efficient cooling systems on board fishing vessels.

• Publication date : 2019/09/18

Magnetic-bearing centrifugal compressors

This new compressor technology - presented at the 2003 AHR Expo in Chicago - may have a significant effect on the future of mid-range chillers and rooftop applications in water-cooled, evaporatively cooled and air-cooled chilled-water and...

• Publication date : 2004/07/27

Briefs: Magnetic-levitation bearing system

The world's first large tonnage magnetic-levitation bearing air-cooled chiller for air conditioning is being installed in the American Embassy in Tokyo. The 2520-kW chiller plant consists of 12 MagLev Chiller modules. OBO, which installed it,...

• Publication date : 2007/05/04

Innovative system to cool spacecraft on long missions

An innovative cooling system developed by a team of mechanical engineers has proven successful in testing aboard the International Space Station.

• Publication date : 2018/05/17

Phase-change materials and vacuum-insulation panels for emergency blood

London's Air Ambulance is now using phase-change technology to transport blood on board its aircraft and rapid-response cars.

• Publication date : 2012/06/27

New refrigerant regulations in California

Starting in January 2012, the California Air Resources Board (ARB) will apply new refrigerant regulations In California.

• Publication date : 2011/12/21
• Subjects: Regulation

An ejector refrigeration system optimised for sub-zero temperatures on fishing vessels

Large amounts of diesel fuel are used to power fishing vessels engines and on-board refrigeration systems. In a recent theoretical study, an energy-efficient sub-zero refrigeration system proposed based on a...

• Publication date : 2021/05/31
• Subjects: Technology

GHG emissions in international marine shipping.

GHG emissions from international shipping increased by 9.6% between 2012 and 2018, according to the Fourth Greenhouse Gas Study published in 2020 by the International Maritime Organization. HFC and HCFC...

• Publication date : 2021/06/29
• Subjects: Figures, economy, Environment

Geraud Darnis elected ARI chairman

Geraud Darnis, President of Carrier Corporation, was elected Chairman of the Board of Directors of the Air-conditioning and Refrigeration Institute (ARI) during the Board meeting on November 14, 2004. He has served on ARI's Board of Directors and...

• Publication date : 2004/12/22

A ship sinks due to refrigeration failure

Three years ago, in April 2001, a factory freezer trawler, the Fame, sank off the coast of Labrador, Canada. According to a recent report by a provincial Transportation Safety Board, the ship sank due to a chain of events, eventually flooding the...

• Publication date : 2004/05/25

Brief: DKV’s annual meeting in Bremen

DKV's annual meeting in Bremen: a big success 570 scientist and technicians from Germany and neighbouring European countries met in Bremen on November 17-19, 2004 for the annual DKV Meeting. 95 papers were presented on topics ranging from...

• Publication date : 2005/02/11

Brief: Mr. Geraud Darnis

Mr. Geraud Darnis, President of Carrier Corporation, was elected chairman of the Board of Directors of the Air-Conditioning and Refrigeration Institute (ARI) on November 14, 2004.

• Publication date : 2005/02/11

A renewed board and ambition for the French Association of Refrigeration (AFF)

Gérald Cavalier, Director of Cemafroid, took over from Patrick Antoine as head of this century old association

• Publication date : 2013/11/13

IJR Editorial: The IIR on the board of the international network of women in cooling

Women are significantly and visibly under-represented in the refrigeration industry. A preliminary evaluation has demonstrated that around 6% of women are members of national refrigeration and air-conditioning...

• Publication date : 2023/01/09

Briefs: Obituaries

Prof. Josef Ota, member of the International Advisory Board of the International Journal of Refrigeration, of the board of Chalzeni a klimatizace (a Czech journal of refrigeration and air conditioning) and member of Commission B1, Associate...

• Publication date : 2011/02/04

Visit: Lebanon

In December, 2004, Mr Michel Afram, Managing Director of LARI (Lebanese Agricultural Research Institute, a Corporate Member of the IIR), with three members of the Board of LARI, and Mr Fares Charbel, Delegate of Lebanon to the IIR, visited the...

• Publication date : 2005/02/11

International activities: ASHRAE

The ASHRAE Winter Meeting took place on January 27-31, 2007 in Dallas, USA. It was focused on climate change and sustainable development. Eric Granryd, President of the General Conference, invited members of the Board to attend the IIR's Beijing...

• Publication date : 2007/05/04

Briefs: Prof. Eckhard Groll

ASHRAE installed new officers and directors at its 2010 Annual Meeting held in Albuquerque, New Mexico, on June 26-30, 2010. Prof. Eckhard Groll (Purdue University) was installed as Director-at-Large to ASHRAE's Board of Directors and will...

• Publication date : 2011/02/07

Briefs: Eddie Leonardi

The IIR was deeply saddened to learn of the death of Prof. Eddie Leonardi in December 2008. Eddie was Professor of Mechanical Engineering at the University of New South Wales, Australia, and taught refrigeration, air conditioning, thermodynamics,...

• Publication date : 2009/02/24

New EU funded project began on October 1st, 2021: “SophiA - Sustainable off-grid solutions for pharmacies and hospitals in Africa”

With a budget of 8 million euros over four years, SophiA will develop containerized solutions for hospitals using natural refrigerants, solar thermal and photovoltaics to enable more and more African people to...

• Publication date : 2021/10/21
• Subjects: Developing country, Environment, HFCs alternatives, Technology

IIR member news : Linde

The CSG-4 snow generator allows to generate snow on demand or via programming and is claimed to offer a cost effective and safe alternative to dry ice pellets.

• Publication date : 2015/05/20

IIR member news: Linde

BOC, subsidiary company of the Linde Group, launches its innovative technology in refrigerated transport.

• Publication date : 2015/06/17

IIR with INWIC at the WiHVACR Annual Conference

From 6th to 8th November 2023, the 20th Women in Heating, Ventilation, Air Conditioning and Refrigeration (WiHVACR) Annual Conference was held in Jacksonville, United States...

• Publication date : 2023/11/28

Obituary : Gerald Groff

Gerald Groff, former President of Section E and very active in the IIR died on September 15.

• Publication date : 2019/09/30

IIR member news: Daikin launches new VRV solution

Daikin has launched a new VRV solution to meet the specific demands of city and urban locations where space is limited and customers want an invisible air conditioning solution.

• Publication date : 2015/09/20

Editorial by Didier Coulomb

Since 2007, the International Institute of Refrigeration (IIR) has conducted strategic discussions on its missions and services. This process began internally then took on board the outcomes of two surveys conducted at the beginning of this year...

• Publication date : 2009/08/13

Invitation to join the IIR working group: Solid-state cooling and heating

Established last year, this latest IIR working group aims to promote international research collaboration to provide energy efficient and environmentally friendly solutions for a variety of solid-state...

• Publication date : 2023/05/02
• Subjects: Technology

Additive manufacturing of regenerators for caloric cooling

In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...

• Last update : 2022/09/16
• Langues : French, English
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)

Hydrocarbon refrigerants

Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

• Last update : 2022/06/22
• Langues : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

Nanorefrigerants

Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

• Last update : 2022/06/17
• Langues : English, French
• Themes : Nanofluids

Environmental impact of the ice cream industry

This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.

• Last update : 2022/11/17
• Langues : French, English
• Themes : General information on environment (climate change, ozone depletion…)

Additive manufacturing of heat exchangers

In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...

• Last update : 2022/09/07
• Langues : French, English
• Themes : Evaporators, condensers and other heat exchangers

Ice cream manufacturing, environmental impact and market data

From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...

• Last update : 2023/06/30
• Langues : French, English
• Themes : Ice creams

Cryogenic nitrogen in the food and beverage industry

The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...

• Last update : 2023/11/07
• Langues : French, English
• Themes : Freezing of foodstuffs