查询词典 barium

Aluminum nitrate enneahydrate and barium hydroxide octahydrate are considered as potential phase change materials for energy storage. In this work, the thermal conductivities of aluminum nitrate enneahydrate and barium hydroxide octahydrate were measured in the temperature range from 10℃ to 80℃, by means of a calorimeter equipped with a thermistor.

无机结晶水合物提供了熔点从几摄氏度到一百多摄氏度的可供选择的相变储能材料，使用范围广，价格较便宜，熔化热较大，体积储热密度较大，一般成中性，是100℃以下储能用相变材料中的最佳候选材料之一[1]。

The barium titanate power with size 60~90 nm was prepared at 200~280℃×4h, using barium hydroxide and titanium tetrarchloride as the resources of Ba and Ti, ammonia as mineralization reagent.

采用氢氧化钡和四氯化钛作为钡源和钛源，氨水作矿化剂，在200~280℃保温4h条件T合成粒径为60~90nm钛酸钡粉体。

Barium strontium titanate nanoparticles were successfully prepared by the low temperature (300-500℃) calcination method, using barium hydroxide, strontium hydroxide, and tetrabutyl titanate as starting materials.

以氢氧化钡、氢氧化锶和钛酸丁酯为原料，采用低温煅烧(300~500℃)法合成了钛酸锶钡纳米粒子。

Barium hydroxide catalyzed transesterification of castor oil biodiesel Studied with castor oil as raw material, barium hydroxide as a heterogeneous base catalyst, transesterification biodiesel.

麻烦大家把下述中文翻译成英文谢谢氢氧化钡催化蓖麻油酯交换制备生物柴油研究了以蓖麻油为原料，用氢氧化钡作为非均相碱催化剂，酯交换反应制备生物柴油。

Spent solutions were finally drained into a mixing trough forneutralization, and subsequently, calcium or barium hydroxide and flocculant were added. Precipitate producedsuch as calcium or barium sulfate, calcium fluoride were separated, and recovered water was obtained after pu-rified by ion-exchange column.

分析了铝合金生产工艺中各步骤的化学成分，根据分析结果将常温脱脂、碱蚀、出光、阳极氧化和封孔等不满足生产要求的溶液排放至混合槽内进行中和，再加入氢氧化钠和絮凝剂分离沉淀后，经离子交换柱，得到的回收水可返回生产槽重复使用。

Phosphate fertilizer production;fluorinated gas;comprehensive utilization;barium fluosilicate;barium fluoride

中图分类号：TQ124.31；132.35 文献标识码：A 文章编号：1006-4990(2009)02-0041-02磷肥生产；含氟气体；综合利用；氟硅酸钡；氟化钡

Systematic isopiestic determinations have been made at the temperature 298.15 K for the mixed nonelectrolyte aqueous solution saturated with an electrolyte and a nonelectrolyte {water (A1)+sodium chloride〓(A2)+glycine〓(A3)+sorbitol+ sucrose}, the mixed nonelectrolyte solution saturated with two electrolytes {water (A1)+sodium chloride〓(A2)+barium chloride〓(A3)+sorbitol +sucrose}, and the mixed electrolyte solution saturated with another electrolyte and a nonelectrolyte {water (A1)+barium chloride〓(A2)+mannitol〓(A3)+ sodium chloride +ammonium chloride}, taking sodium chloride or calcium as the reference standard.

以NaCl或CaCl〓为参考物，系统地测定了298.15K时一种电解质和一种非电解质饱和的混合非电解质溶液{H〓O(A1)+NaCl〓(A2)+甘氨酸〓(A3)+山梨醇+蔗糖}、两种电解质饱和的混合非电解质溶液{H〓O(A1)+NaCl〓(A2)+BaCl〓(A3)+山梨醇+蔗糖}以及一种电解质和一种非电解质饱和的混合电解质溶液{H〓O(A1)+BaCl〓(A2)+甘露醇〓(A3)+NaCl+NH〓Cl}的等压平衡。

The most important barium-bearing mineral in this district is barite, but barium is also present in psilomelane, gillespite and other minerals.

本矿区最重要的含钡矿物是重晶石，但钡也出现在钡硬锰矿、硅铁钡石等矿物中。

Especially,the complex relative permittivity of the coated barium ferrite composite was much higher than that of the uncoated barium ferrite particles in the most frequency range.

六角晶系铁氧体具有较高的饱和磁化强度、特殊的六角片状结构、良好的化学稳定性和耐腐蚀性能，在微波吸收等领域具有广泛用途[2-3]。

We investigated the epitaxial misfit strain effect on the barium titanate and barium zirconate thin films.

基于密度泛函微扰理论，论文还研究了薄膜在晶格畸变时其介电参量的变化模式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。