查询词典 liquid nitrogen

Moreover, storage time in liquid nitrogen was not significant to the size and activity of the pollens.

同时液氮保存油菜花粉的时间长短对花粉的大小及活力影响不大。

During filtration,some parameters such as pressure drop over filter and the flux of liquid nitrogen were tested.

同时应用基于达西定律的烧结金属过滤器的压降计算模型，对实验工况的过滤器的压降进行预测。

During filtration, some parameters such as pressure drop over filter and the flux of liquid nitrogen were tested.

在试验中测试了过滤过程中压降变化和被过滤流体流量等参数，对试验结果进行了分析，得到了过滤器压降与工况参数之间的关系。

Frozen trimming machine, is a principle of making use of liquid nitrogen refrigeration plastic, rubber, aluminum-magnesium die-casting products, zinc fly side embrittlement happen quickly in this state, high-speed jet of plastic bullets fly percussive edge products, which not only can be highly efficient, high quality rubber products to remove fly edge products while maintaining the characteristics of itself does not change the nature of a trimming device.

冷冻修边机，是一种利用液氮冷冻原理使塑料、橡胶、铝镁锌压铸制品的飞边迅速发生脆化，在此状态下，高速喷射出塑料弹丸撞击制品的飞边，从而既能高效率、高质量地去除橡塑制品飞边同时又能保持制品本身性质特点不发生改变的一种修边设备。

The experiment shows that:(1) In certain light intensity and electric field ranges (145～305V/cm) the material Si∶ with a resistivity of 1E4Ω·cm exhibits a current oscillation phenomenon at liquid nitrogen temperature;(2) At a certain electric field,the waveform of the current oscillation is stable and does not change with time;(3) The dependence relation between the oscillation frequency and light-intensity can be expressed by f=f0(L/L0)α where L0 is the minimum light-intensity needed to stimulate oscillation,f0 is the frequency under L0,L is the intensity of the light,and α is a coefficient that increase with electric field;(4) The modulating coefficient K K=(Imax-Imin/Imax decreases as the light increases;(5) The maximum value of the oscillation Imax decreases with the increase of the light-intensity while the minimum value of oscillation Imin increases slowly.

结果表明：在一定光照和电场范围内（276～305V/cm ，电阻率为10.4Ω·cm的材料在液氮温度下显示出电流振荡特性；在一定的电场下，电流振荡波形是固定的，不随时间变化；振荡频率随光照强度的增大而线性增大；调制系数随着光强的增强而减弱；振荡的最大值随着光照强度增大而减小，最小值随着光强增大而缓慢增大。

Sea perch embryos were cryopreservated in liquid nitrogen for 0.5~24h, 4 survival embryos were also obtained and one of them hatched, furthermore the fry without feeding survived for 3 days.

其中妒鱼胚胎成活4枚，孵化1枚，孵化后的妒鱼苗在没有投喂饵料的情况下存活了3天(在液氮中保存了28h)；牙醉胚胎成活5枚，孵化4枚，孵化后其中l尾牙虾苗在没有投喂饵料的情况下存活了6天(在液氮中保存了24h)。

The 4th left rib was cut and a model of left coronary artery occlusion/release was carried outo Rats were divided randomly into 4 groups: control group without LCA occlusion (group A, n=6);I/R group(group B, n=6); ketamine(5mg.kg-1)+I/R group (group C, n=6); ketamine(10mg.kg-1)+I/R group(group D,n=6)o All rats in groups B, C , D were subjected to 30 minutes of LCA occlusion followed by 120minutes of reperfusion. Rats in group C and D were injected with 5mg.kg-1 and 10mg.kg-1 of ketamine before reperfusion, respectively. Significant electrocardiogram and color changes at the area at risk were considered indicative of successful coronary occlusion and reperfusionc Serum was exampled from left jugular vein at 30 minutes and 120 minutes during reperfusion to measure IL-6 and TNF- level by ELISA measurements. After reperfusion of 120 minutes, the heart was removed and the cardiac apex was exampled with snap-frozen in liquid nitrogen and stored at -70 C .

采用左冠状动脉前降支结扎开放建立心肌缺血／再灌注模型，健康SD大鼠24只，随机分为心包打开假手术组(A组，n=6)，缺血／再灌注对照组(B组，n=6)，5 mg·kg~(-1)氯胺酮+缺血／再灌注组C组，n=6，缺血30min后右腹股静脉注入5 mg·kg~(-1氯胺酮，10mg·kg~(-1)KTM+I／R组D组，n=6，缺血30min后右腹股静脉注入10 mg·kg~(-1氯胺酮。10％水合氯醛40 mg·kg~(-1)腹腔注射麻醉，气管切开，连接多功能监护仪记录心电图；小动物呼吸机人工呼吸，呼吸频率60次／分，潮气量2ml／100g，于左胸第四肋间打开胸腔暴露心脏，在左心耳下1mm左冠状动脉处，用丝线，眼科外用不锈钢小圆针穿过心肌浅层，稳定10min后将U型含有铜丝的胶管置于冠状动脉表面一起结扎(A组不结扎，B、C、D组结扎)；结扎开始左心室心尖部即由红色变暗，30 min后呈暗红色，心电图中出现S-T段抬高，说明缺血形成。

Containers used for transporting liquid nitrogen at less than 25 psig (40 psia) pressure are UN/DOT authorized containers.

用于运输压力小于25 psig (40 psia)的液态氮的容器是UN/DOT认可的容器。

Combined use of trypsin, hypertonic solution and chemical detergent is a better method to prepare acellular vascular matrix, and the vascular matrix be wellpreserved in liquid nitrogen.

液氮保存后1、2、3月扫描电镜观察与新鲜标本无明显差别。结论酶、低渗溶液、化学除垢剂联合法是制备脱细胞血管基质的较好方法，制得的脱细胞血管基质可放入液氮中保存。

Cryotherapy: Very cold liquid nitrogen is sprayed onto the wart to freeze and destroy the cells.

冷冻：非常冷的液态氮喷上疣冻结和摧毁细胞。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新