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Investigations discovered four smouldering railway sleepers, one with a hole burnt through it.

调查发现是四根铁路枕木在闷,其中一根枕木穿了一个洞。

The results show that the optimum preparation conditions of CuO/AC catalyst are as follows:the concentration of Cu(NO3)2 is 3%,soakage temperature 30 ℃,soaking time 6 h,calcinating temperature 300 ℃,and calcinating time 3 h.

研究结果表明,硝酸铜-AC制备CuO/AC催化剂的最佳条件为:硝酸铜质量分数为3%,浸渍温度为30 ℃,浸渍时间为6 h,焙温度为300 ℃,焙时间为3 h。

After a while, they came back to our table, also with the waitress holding the plate, with a candle sticking on the ice cream (i thought it would be on the Souffle, never mind).

接著是串羊柳,向来对羊兴趣不大,能吃臊却不能太臊,这里的正是我能接受的程度,羊肉得生熟刚好,肉汁也算丰腴。。。。。。

II: ① take a thin wire, one end with sand paper wipe, and then lightson alcohol to non-yellow flame ignition,② wire with the end of the water dip, and then dip a number of sodium chloride or anhydrous sodium carbonate powder,③ ignited a new spirit lamp (lamp wick is clean, pure ethanol),④ the stained sodium salt powder on the wire on the ignitiontip, when there is a sharpsmall yellow flame, which is sodium flame.

方法二:①取一条细铁丝,一端用砂纸擦净,再在酒精灯外焰上灼至无黄色火焰,②用该端铁丝沾一下水,再沾一些氯化钠或无水碳酸钠粉末,③点燃一盏新的酒精灯,④把沾有钠盐粉末的铁丝放在外焰尖上灼,这时外焰尖上有一个小的黄色火焰,那就是钠焰。

Spherical bismuth stannate particles with single pyrochiore structure were obtained when the precursor was calcined at a temperature as low as 500℃.

该前驱体在500℃下锻即可形成具有绿石结构的四方晶相的Bi2Sn2O7纳米粉体,其平均晶粒尺寸为10nm,粒径分布在10~20nm之间,外观呈球形。

Most large steamship s now burn oil instead of coal.

现在大多数的大轮船油而不煤。

Leonidas Simbizi is a soldier in Burundi. He cooks his meal at an army base in Bujumbura. His stove uses the plant material peat instead of wood for fuel. However, he says the stove produces a lot of smoke.

利尼德斯。西姆比兹是布隆迪的一位士兵,他在布琼布拉营地做饭,他的炉子泥煤,而不是木材,然而,他说,他的炉子会产生很大的烟。

The optimal processing conditions are as follows: roasting temperature at 1 000℃, roasting time for 40 min, the ratio of NbH dosage to theoretic dosage at 1.1. The specific capacity of niobium suboxide of preparation by agate grind procedure is 69.50 mF·V·g-1, the loss is 11.25%, the leakage current is 1.8×10-4A·F-1·V-1, and the electrical properties are better than that of the national standard (GB/T 3136-1995) of FTa16-300 tantalum powder for capacitor.

用正交试验法及方差分析对玛瑙研磨工艺进行优化,得到制备低价铌氧化物最佳条件是:焙温度为1 000℃,焙时间为40 min, NbH用量与理论量之比为1.1,所制得的产物杂质含量低,比容为69.50mF·V·g-1,损耗为11.25%,漏电流为1.8×10-4A·F-1·V-1,其电性能指标高于FTa16—300电容器钽粉国家标准(GB/T 3136—1995)所规定的值。

And Dee. I see her standing off under the sweet gum tree she used to dig gum out of; a look at concentration on her face as she watched the last dingy gray board of the house tall in toward the red-hot brick chimney.

还有迪伊,我远远看见她站在她经常从其中挖树胶的那棵香枫胶树底下,望着屋上最后一块成灰黑色的木板朝着红了的滚烫的砖砌烟囱方向塌下来时,她脸上呈现出一幅非常专注的神色。

The threshold of lithium tantalite under single-shot is found to be 1.84J /cm 2 and the avalanche rate was determined to be 1.01 cm 2 /J by calculation. We found that avalanche dominates the ablation process, while photoionization serves as a free electron provider.

在800nm飞秒激光脉冲作用下,钽酸锂晶体单脉冲蚀阈值为1.84 J /cm 2;在此基础上,我们通过建立钽酸锂晶体中导带电子密度演化微分方程,并数值求解,得到了钽酸锂的碰撞电离速率系数为1.01 cm 2 /J ,并得出在钽酸锂表面蚀中,光致电离提供种子电子,雪崩电离起主导作用的结论。

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推荐网络例句

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因,如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务,你就做你的事好了。

Who is in possession of this?

这是谁的?