The effect of cryopreservation in liquid nitrogen on the viability of flax seeds by An. V. Pavlov, E. A. Porokhovinova, N. B. Brutch, Al. V. Pavlov, V. G. Verzhuk

“…A promising technique for preserving plant genetic resources is cryopreservation of seeds in liquid nitrogen at –196°C. The lack of information on cryopreservation of flax seeds and on the effect of liquid nitrogen on their viability makes this work relevant for the conservation of valuable flax germplasm.Materials and methods. …”
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Relative Efficacy of Liquid Nitrogen Fertilizers in Dryland Spring Wheat by Olga S. Walsh, Robin J. Christiaens

“…The study was conducted in 2012 and 2013 at three locations in North Central and Western Montana (total of 6 site-years) to evaluate the relative efficacy of three liquid nitrogen (N) fertilizer sources, urea ammonium nitrate (UAN, 32-0-0), liquid urea (LU, 21-0-0), and High NRGN (HNRGN, 27-0-0-1S), in spring wheat (Triticum aestivum L.). …”
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Reproductive ability of black currant cultivars after pollen cryopreservation in liquid nitrogen by O. A. Tikhonova, E. A. Radchenko, A. V. Pavlov

“…Studying the reproductive ability of black currant cultivars after long-term cryopreservation of their pollen in liquid nitrogen is very important for plant diversity conservation and for the effectiveness of breeding efforts.Materials and methods. …”
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Use of ultra-freezers of -152 °c as a viable alternative to liquid nitrogen in storing by Israa Mahmoud Alhamad, Mehmet Borga Tirpan

“…Moreover, it was determined that the abnormal sperm rate was at 32% for the semen stored in liquid nitrogen and was 45% for the semen stored at -152 °C (p <0.001).…”
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Effect of Liquid Nitrogen Cooling and Heating on Mechanical Properties and Acoustic Emission Characteristics of Coal by Yuhe Cai, Yi Xue, Faning Dang, Linchao Wang, Xue Li, Shanjie Su, Shengcheng Wang, Xinyu Liang, Shaowei Zhang

“…This paper investigates two coal types from the Jiaozuo area, which were subjected to liquid nitrogen cyclic treatment using Brazil’s indirect tensile testing (BITT). …”
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Metaheuristic algorithm for parametric optimization of liquid nitrogen pumping in hydrocarbon and allied fluids piping systems by S. Isaac, C. Kadurumba, H. Ugwu, F. Abam

Subjects: “…liquid nitrogen pumping…”
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Viability of black currant pollen before and after cryopreservation in liquid nitrogen, and its morphological features by O. A. Tikhonova, O. A. Gavrilova, E. A. Radchenko, V. G. Verzhuk, A. V. Pavlov

“…After exposure to liquid nitrogen (–196°C) for 6 months, the number of germinated pollen grains increased 1.1 to 3.2 times in all the studied cultivars, except one (‘Pozdnyaya poslevoennaya’, k-7652). …”
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Experimental Study on the Evolution of Fracture Aperture of Single-Fracture Granite during Liquid Nitrogen Cold Shock Cycling by Haiping Niu, Weidong Yu

“…Fractures in hot dry rock (HDR) reservoirs are the locations where heating fluid flows exchange heat with the HDR matrix. Cold shock with liquid nitrogen is one method for stimulating cracks. …”
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Investigation of the Mechanical and Permeability Evolution Effects of High-Temperature Granite Exposed to a Rapid Cooling Shock with Liquid Nitrogen by Tianzuo Wang, Linxiang Wang, Fei Xue, Mengya Xue, Hangcheng Xie, Ningbo Tang

“…Liquid nitrogen (LN2), which can greatly improve the efficiency of hot dry rock (HDR) mining, is commonly used as a cooling material in the enhanced geothermal system (EGS). …”
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Photodynamic Therapy Combined with Liquid Nitrogen Cryotherapy and Curettage for the Treatment of Recalcitrant Periungual and Subungual Warts: Clinical Experience and Literature Review by Kuixia Xie, Meihong Cheng, Bo He, Wei Li, Wenying Zhong

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Effect of Liquid Nitrogen Freezing on Maintaining the Quality of Crayfish During Freeze–Thaw Cycles: Muscle Structure and Myofibrillar Proteins Properties by Zongna Teng, Xiaoyue He, Liuqing Wang, Limin Xu, Chuyi Jiao, Jiwang Chen

Subjects: “…liquid nitrogen freezing…”
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Freezing Method for Rock Cross-Cut Coal Uncovering: Aging Characteristic of Effective Freezing Distance on Injecting Liquid Nitrogen into Coal Seam by Heyi Ma, Chuanqu Zhu, Pengtao Zhao, Binbin Wang

“…Based on artificial freezing engineering practice, the comprehensive technology is suggested to realize safe and fast rock cross-cut coal uncovering, which mainly includes four steps of drilling, water injection wetting coal, gas drainage, and injection liquid nitrogen into coal seam. Freezing test of liquid nitrogen injection into coal is carried out to obtain the cooling curves, and comparing the test results, the numerical inverse method is applied to determine the thermal conductivity of coal seam. …”
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Combined characterization of pore structurein deep medium-rank coal using mercury intrusion and liquid nitrogen adsorption methods and its pore fractal characteristics by Qi LI, Yong WU, Lei QIAO

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Experimental study on shale fracturing assisted by low-temperature freezing by Zhong-Ying Han, Yuan-Fang Cheng, Xue-Liang Li, Chuan-liang Yan

Subjects: “…Liquid nitrogen…”
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Field experimental and numerical study on the formation and frost heave development of frozen soil under rapid freezing by Fuchen Teng, Yong Cheng Sie, Chihping Kuo

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Experimental studies of unsteady processes of cryogenic liquid evaporation in rocket tank model by V. I. Trushlyakov, V. A. Urbansky, A. N. Pavlenko, V. E. Zhukov, E. Yu. Sukhorukova

Subjects: “…liquid nitrogen…”
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Research on comprehensive characterization of deep coal full aperture structure and burial depth effect by Qi Li, Xiaoxia Zhang, Zhengzong Wang, Lei Qiao, Shitan Shao

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Influence of Thermodynamic Effect on Blade Load in a Cavitating Inducer by Kengo Kikuta, Noriyuki Shimiya, Tomoyuki Hashimoto, Mitsuru Shimagaki, Hideaki Nanri, Yoshiki Yoshida

“…By contrast, the pressure distribution in liquid nitrogen has the same tendency as that in water if the cavity length at the blade tip is taken as a cavitation indication. …”
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Nuclear Magnetic Resonance Study on Microstructure and Permeability of Coals of Different Ranks by Jiajia Liu, Jianmin Hu, Gaini Jia, Jianliang Gao, Dan Wang

“…The microscopic pore characteristics of coal samples were measured by nuclear magnetic resonance and liquid nitrogen adsorption methods. The experimental results showed that the coal samples were subjected to saturation-centrifugation and nuclear magnetic resonance (NMR) tests. …”
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Sperm Cryopreservation in Canaries to Protect Endangered Songbird Species: Comparison of Different Cryoprotectants by Arda Onur Özkök, Burcu Esin, Eser Akal

“…Sperm samples were drawn into straws after adding Dulbecco's Modified Eagle Medium (DMEM) extender with high glucose ratio and two different cryoprotectants in a 1:1 ratio and frozen to −80°C with liquid nitrogen vapour and then stored in liquid nitrogen at −196°C. …”
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