查询词典 liquid nitrogen

The theoretical analysis of the work cycle is made for the pressed air engine and liquid nitrogen engine.

从理论分析的角度，对压缩空气发动机和液氮发动机的工作循环进行了分析讨论，采用不同概念计算了两者的可用能，并着重分析了膨胀初始压力和温度对输出功的影响，还探讨了液氮发动机工作循环的优化途径。

The alternative is to liquefy the hydrogen at great expense and transport it in road tankers refrigerated with liquid nitrogen.

一个替代的办法是以巨大的代价把氢气液化，并用带液氮冷却的罐车运输。

Results showed a high-purity and a good-integrity DNA can be obtained from the preserved fresh leaves of Camellia azalea, using the methods of modified CTAB and SDS subarea. The DNA extracting quality from the leaves preserved with silica gel by the methods of modified CTAB and SDS subarea is high, which is the same as from the leaves preserved at the -200C and liquid nitrogen, So these preserving methods are suitable for the fresh leaves of Camellia azalea, including for it from distant place.

结果表明，改进的CTAB和SDS区室法都适合杜鹃红山茶基因组DNA的提取，都能提取到完整性较好、纯度较高的基因组DNA，且在采用的-200C、液氮、硅胶脱水干燥3种方法保存样品中，硅胶脱水干燥法保存的样品与其它几种方法保存的样品一样，提取获得了高质量DNA，为远距离采样提取杜鹃红山茶DNA提供了一种较好的鲜叶保存方法。

They usually keep it in liquid nitrogen at a temperature of 328 degrees below zero.

一位富人见一位90岁的老人在种无花果树，感到很惊讶。

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。

First of all, the design case of complex liquid-nitrogen wash unit has been simulated and the column operation parameters have been got based on detailed analysis of design values of column and other unit.

然后，应用ASPEN PLUS软件进行该套装置的设计工况和改造工况的工艺模拟。

As a kind of excellent cryogen,liquid nitrogen has been widely used in many fields,such as the aerospace,electronic engineering,cooling of superconducting magnet and superconducting power cable,cryo-medicine,etc.

作为一种优良的低温冷却剂，液氮在航天、电子工业、超导磁体和超导电缆冷却及低温生物医疗等领域应用广泛。

The two most widely used systems are Cryotech (CandelaLaser Corp., Wayland, Mass) which uses liquid nitrogen as cryogen, and Cryocare (EndoCare.Inc., Irvine, Calif.) which uses argon gas as a cryogen.

两个最广泛应用的系统是应用液氮作为冷冻剂的Cryotech（Candela激光公司， Wayland， Mass），和应用氩气作为冷冻剂的Cryocare（EndoCare有限公司，Irvine， Calif。）。

For example, a spill of one cubic foot of liquid nitrogen will vaporize to 696 equivalent volumes of gas at 70°F.

例如，逸出的1立方英尺的液氮在70 °F时将蒸发出696等量体积的气体。

To study the sedimentation coefficient of ribosomal RNA from Saccharomyces cerevisiae,the enzymolysis method and the liquid nitrogen grounding method combined with Trizol Reagent were used for total RNA extraction from Saccharomyces cerevisiae.RNA extraction in Mus musculus Kunming and Danio rerio,was also involved in,which was set as control.

为研究酿酒酵母菌核糖体RNA的沉降系数，用酶解法和液氮研磨法裂解酿酒酵母菌的细胞壁，Trizol Reagent提取其总RNA，同时提取小白鼠和斑马鱼的总RNA进行比较。

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