查询词典 liquid nitrogen

It is composed of fly ash or mud, nitrogen and water arid formed by physical mixture. It makes use of the all-around capability of solid, liquid and gas states to prevent mine fire. In other words, the fly ash or mud can cover the combustible, the nitrogen can asphyxiate it and the water can cool it.

由粉煤灰或黄泥、氮气和水通过物理机械方式形成的防灭火三相泡沫，具有集固、液、气三相材料的防灭火性能于一体，充分利用粉煤灰或黄泥的覆盖性、氮气的窒息性和水的吸热降温性进行防灭火的特性。

The research on the conditions of chlamydospore production for the liquid fermentation showed that, the better single factors were oat liquid media, 30℃, 120r/min surge culture, sucrose as carbon source,(NH_4)_2SO_4 as nitrogen source and the ratio of 20 to 1 for C/N. Under the better single factors mentioned above, the largest quantity of chlamydospore, i.e.3.05×10~7spores/ml, was obtained on the 10th day after culture.

木霉T-33菌株产生厚垣孢子的发酵条件研究表明，采用燕麦粉培养液、30℃、120r/min振荡培养、250ml三角瓶装入80ml培养液、接种5片活化2d的5mm直径的菌片，碳氮源选择蔗糖和硫酸铵，C/N为20/l，足适合T-33菌株产孢的最佳单因素条件(碳氮源实验基于Czapek培养基)；用这些最佳单因素组合(不包括碳氮源和C/N结果)培养木霉T-33绘制了产孢曲线，发现在培养第10d得到最大的厚垣孢子产量3.05×10~7个/ml。

It comprises following steps: dissolving cross linker, functional monomer, mode molecule and initiator into pore-generating agent, getting mixing solvent; hypersonic de-gassing the mixing solvent; venting nitrogen after even mixing, sealing at nitrogen condition or vacuum condition; proceeding polymerization reaction, employing heat initiation for molecule engram polymer; grinding got molecule engram polymer after polymerization, sifting and removing mode molecule with organic solvent, checking with high efficiency liquid chromatography- ultraviolet until there is no mode molecule; vacuum drying and getting final product.

具体为：首先将交联剂、功能单体、模板分子和引发剂溶解在致孔剂中，得到混合溶剂；将混合溶剂超声脱气；混合均匀后，通入氮气，氮气状态或抽真空状态下密封；进行聚合反应，分子印迹聚合物采用热引发；聚合反应结束后，将合成的分子印迹聚合物取出研磨、过筛后用有机溶剂除去模板分子，通过高效液相色谱-紫外检测，直到检测不到模板分子；将除去模板分子的聚合物，真空干燥，得到利血平特异的分子印迹聚合物。

Carbon dioxide is like nitrogen in many ways, but if it is mixed with limewater, it causes the clear liquid to because milky, while nitrogen dose not. This is the test for carbon dioxide.

二氧化碳在许多方面类似于氮气，但如果它与石灰水混合，它就使清澈的液体变成乳状液，而氮气不能，由此可以鉴别热氧化碳。

Carbon dioxide is like nitrogen in many ways, but if it is mixed with limewater, it causes the clear liquid to because milky, while nitrogen dose not.

二氧化碳在许多方面类似于氮气，但如果它与石灰水混合，它就使清澈的液体变成乳状液，而氮气不能，由此可以鉴别热氧化碳。

Has established the Avey rhzomorph through the field test remains the analysis method in the sea cabbage and the soil, and remained to it in the sea cabbage and the soil has carried on the determination, the sample with the methyl cyanide extraction, after extracting the revolving concentration nearly did, with the few methyl cyanides dissolves, passed through PRS the solid phase extract column to purify again, eluent air-dried after the nitrogen with the nitrogen methyl imidazole and the trifluoroacetic acid bitter wine grows, the derivative with the highly effective liquid chromatography analysis, used the external standard legal quantity.

通过田间试验建立了阿维菌素在甘蓝及土壤中的残留分析方法，并对其在甘蓝和土壤中的残留进行了测定，样品用乙腈提取，提取液旋转浓缩近干后用少量乙腈溶解，再经PRS固相萃取柱净化，洗脱液经氮气吹干后用氮甲基咪唑和三氟乙酸酐衍生，衍生物用高效液相色谱分析，采用外标法定量。

The liquid ink includes a carrier liquid, an organosol, and a colorant surface-treated by a polymer comprising units derived from at least a nitrogen-containing polymerizable monomer.

该液体墨水含有载体液体；有机溶胶；以及用聚合物进行表面处理的着色剂，该聚合物含有来自至少一种含氮的可聚合单体的单元。

Under high pressure especially the high concentration of alloying elements, it was found that the relationship between nitrogen solubility in liquid stainless steels and nitrogen partial pressure doesn't follow Sievert's law.

在压力较高（大于0.1MPa）特别是合金元素较高的不锈钢熔体中，氮分压与氮的溶解度关系不符合Sievert定律。

The melting zone in explosive consolidating HSS sample has heen investigated by TEM and SEM, and founds the solidifying structure of the liquid phase is consisted by δ-ferrite and carbide that are uniformity and disper. It shows the solidifying rate of the liquid phase is very rapid. and is higher than the cooling rate of the casting and atomization of nitrogen.

对高速钢爆炸固结样品中熔化区用扫描电镜、透射电镜研究发现：爆炸固结过程中形成液相的凝固组织为极其细小均匀的等轴δ-铁素体晶粒和碳化物，表明液相的凝固速度非常快，远远大于铸锭凝固的冷却速度和氮气雾化制粉的冷却速度。

To pick the depletion region note thick liquid with the traditional use to guard against the fire fighting method to be different,topicked the depletion region to pour into the nitrogen the method topresent more superiority,introduced the motion typecarbon member sieve making nitrogen machine constitution.

与传统的采用向采空区注浆灭火方法不同，向采空区注入氮气的方法呈现出更大的优势，介绍了移动式碳分子筛制氮机的构成、制氮的工艺流程、电气控制以及向采空区注氮在灭火中的优点。

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