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- The brittleness of high-manganese steel under low temperature is discussed.A method of Iow-temperature cutting with liquid nitrogen freezing of the workpiece has been developed. 论述了高锰钢的低温脆性，建立了用液氮冷冻工件的低温切削方法。
- Conclusion：The typical animal subsiding model of avascular necrosis of the femoral head can be established with blood vessel destroy and liquid nitrogen freezing. 结论：液氮冷冻并血管破坏可建立典型的犬股骨头缺血性坏死塌陷模型。
- The CMO ORF was cloned and the plant expression vector pBI121-CMO was constructed. The resultant plasmids pBI121-CMO was transferred into Agrobacterium tumefaciens (GV3101) by the liquid nitrogen freezing thaw method. 克隆了CMO基因的编码区,构建了其植物表达载体pBI121-CMO,冻融法将质粒导入根癌农杆菌(Agrobacterium tumefaciens)GV3101,获得工程菌GV3101-pBI121-CMO。
- The cross-section samples of nuclear track membrane (NTM) for scanning electron microscopy observation were successfully prepared by combination of UV illumination and liquid nitrogen freezing. 摘要利用紫外光辐照结合液氮冷冻技术成功地制备了聚碳酸酯核径迹膜断面的扫描电子显微镜样品。
- Liquid Nitrogen frozen ice cream is the smoothest silkiest ice cream you will ever eat and it takes only a few minutes to freeze. 泡沫比空气的密度要大，而且它们通常是由一种相似的液体组成，但是在充满一氧化二氮的冰淇淋装置里会起泡沫。
- Experimental study of Canine Femoral Head Defect and Necrosis Model by Liquid Nitrogen Freezing 液氮冷冻建立犬股骨头缺损坏死模型的实验研究
- Keywords Liquid nitrogen freezing;Cervix uteri;Condyloma accuminatum;Operation and nursing care; 液氮冷冻;宫颈;尖锐湿疣;操作及护理;
- liquid nitrogen freezing system 液态氮冷冻装置
- liquid nitrogen freezing method 液氮冻结法
- Liquid nitrogen freezing 液氮冷冻
- The Boletus aereus freezing pattern was studied through analyzing the freezing curve at different temperature, freezing speed and juice leakage by liquid nitrogen flash freezer. 采用液氮速冻;研究在不同的冻结温度下黑牛肝菌的冻结温度曲线及其冻结速度和汁液流失率之间的关系等.
- Chengdu Golden Phoenix Liquid Nitrogen Container Co., Ltd. 成都金凤液氮容器有限公司。
- Liquid nitrogen, produced by the cryogenic air separation process, finds wide use as a refrigerant in applications such as cryogenic grinding of plastics and food freezing. 通过空气低温分离工艺生产的液氮，作为冷源被广泛应用于塑料的低温粉碎和食物的冷冻冷藏。
- They use liquid nitrogen to burn warts off of fingers. 他们使用液氮把手指上的瘊子冷冻掉。
- How to preserve liquid nitrogen is an unsolved problem, they are working on it. 液氮的保存是个问题，他们正在想办法呢。
- Using slow freezing and liquid nitrogen quick freezer by the fashion of spray and flowed state, the effect of freezing temperature and rate on polyphenoloxidase(PPO) and peroxidase(POD) activity in Boletus aereus were studied. 采用喷雾式流态化液氮速冻及缓冻,研究了冻结温度、速度对黑牛肝菌多酚氧化酶(PPO)及过氧化物酶(POD)活性的影响。
- The measurement of amylose in glossy ganoderma sporule powder treated with ultrasonic and thawing and freezing test of liquid nitrogen was analysed by the method of phenol-sulfuric acid. 利用苯酚-硫酸法对超声波-液氮冻融处理的灵芝孢子粉多糖含量进行了测试,结果表明采用液氮进行淬冷破壁具有效果好,操作简便等特点;
- liquid nitrogen frozen 液氮冷冻的
- Experimental studies were made in Josephson effect of bulk superconductive materials at liquid nitrogen temperature. 本文对液氮温区的大块体超导材料的约瑟夫逊效应进行了实验研究.
- The cryoprobe soaked in liquid nitrogen is a new cryother- apic instrument with metallic material as its cold storage. 浸冷式液氮冷刀,系用金属材料为储冷装置的新式冷冻治疗器械。
