A new heat-driven absorption refrigeration system for deep freezing as low as -20～-40℃ was proposed in the paper.
提出了一个新型吸收制冷系统,该系统采用R32+R134a非共沸混合物为制冷剂,DMF为吸收剂,可用于-20~-40℃温区的深度冷冻。
Methods: The skin splits without cryoprotectant were utilized to observe the viability changes and optimal freezing rate according to the graded freezing theory and methods of McGann.
方法：依据ＭｃＧａｍ梯度冷冻实验原理与方法。
EFFECT OF FREEZE-DRYING FROM PLLA SOLUTIONS WITH VARYING CONCENTRATIONS ON CRYSTALLIZATION OF POLY(L-LACTIDE)
深度冷冻干燥对聚(L-乳酸)结晶性能的影响
absorber for refrigerators or deep-freezes
冷藏箱或深冻箱吸收器
Because of the intense cold, the subsoil of the tundra remains permanently frozen to a great depth.
由于严寒，冻土带的底层土仍然长久冷冻得很深。
RESEARCH OF GROUND FROZEN DEPTH IN SEASONALLY FROZEN AREAS
季节性冻土地区土壤冻结深度的研究
A Study on Mechanism of Cryodamage in Human Hepatoma Carcinoma Cell;
细胞深低温冷冻损伤机制的实验研究
condenser for refrigerating equipment (incl. Household-type refrigerators and deep-freezes)
制冷设备（包括家用冰箱和深冻箱）冷凝器
To preserve(food, for example) by rapid freezing and drying in a high vacuum.
使冷冻干燥通过在高度真空状态下迅速冷冻并干燥来保存（如食物）
evaporator for refrigerating equipment (incl household-type refrigerators and deep-freezes)
制冷设备（包括家用箱和深冻箱）用蒸发器
The Study of Freezing Inactivation Effect of Profound Hypothermia on Osteosarcoma in Vitro;
深低温冷冻对骨肉瘤体外灭活的实验研究
Expeimrnal Study on Endothelial Cell Survival Rate of Cornea Preserved by Long-term Cryopreservation;
深低温冷冻保存角膜内皮细胞活性的实验研究
Experimental Study of Cryopreserving Trachea by Vitrification;
玻璃化深低温冷冻保存气管的实验研究
The Biological Changes of Deep-Frozen Allogenic Tendins Graftings;
深低温冷冻同种异体肌腱移植后的生物学改变
Research on the freezing wall temperature field of three-circle pipes with partical heat preservation in deep mine shaft
深井三圈管局部保温冻结温度场研究
Method:Fifteen pigs were pided into two groups randomly. In experimental group(n=8),the first porta hepatis was frozen by a dish like cryoprobe(d=3 0cm)for 3 min with temporarily block the porta hepatis blood flow.
方法：选健康小猪15只，实验组8只，阻断肝门，用冷冻头深低温冷冻第一肝门。
An Experimental Study of Freezed, Dried and Irradiated Homologous Artery Transplantation in Three Length;
不同长度经冷冻、冻干及辐照的同种异体动脉移植的实验研究
Discussion of Royal Jelly's Fresh Degree Indexes and Effects of Repeated Freezing and Thawing on Royal Jelly
蜂王浆新鲜度指标的探讨与冷冻解冻对蜂王浆的影响
Cold should solidify the jelly.
冷冻可使果冻凝固。
The Effect of Global Radiation Budget on Seasonal Frozen Depth in the Tibetan Plateau
青藏高原总辐射变化对高原季节冻土冻结深度的影响