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Increasing the selective reduction ability of NOx under lean burning condition, enhancing the thermal stability and decreasing the light-off temperature of the catalysts are the three keyresearching hot points in the area. And quality of the honey comb g-Al2O3 coatings, additives and the preparation parameters are the major effectors of the catalytic activation of the catalysts.

目前对单钯三效催化剂的研究的热点和难点在于：1 提高催化剂对氮氧化物的选择还原能力； 2 增强催化剂的高温热稳定性；3 降低催化剂的起燃湿度。g-Al2O3 性能质量、助催化剂的选择及用量、涂层及催化剂的制备工艺等对单钯三效催化剂的催化活性起决定性作用。

Darkness in Antarctica's Weddell Sea gives this comb jelly a chance to show off its candy-colored bioluminescent cells.

黑暗在南极洲的Weddell海给予这只梳篦果冻一次机会去显示它的糖果――色彩生物发光的细胞。

Photo Gallery: Translucent Creatures Darkness in Antarctica's Weddell Sea gives this comb jelly a chance to show off its candy-colored bioluminescent cells.

意译：半透明生物图片集。黑暗在南极洲的Weddell海给予这只梳篦果冻一次机会去显示它的糖果――色彩生物发光的细胞。

Going to the south-westward towards the rising country that is now called Combe Wood, I observed far off, in the direction of nineteenth-century Banstead, a vast green structure, different in character from any I had hitherto seen.

朝西南方向现在叫做库姆·伍德的这个正在蓬勃发展的乡村走，我看到远处19世纪班斯蒂特城的方向有一座绿色的大型建筑。

I mean, they feed off of oxygen and combustibles.

氧气和易燃物是起火的基本因素

Compaq, NEC Toshiba all showed off models at this week's Comdex computer trade show in Las Vegas.

康柏、全国电信公司和东芝都在本周拉斯维加斯开幕的Comdex电脑交易会上都展示了该机模型。

Compaq, NEC and Toshiba all showed off models at this week's Comdex computer trade show in Las Vegas.

康柏、全国电信公司和东芝都在本周拉斯维加斯开幕的Comdex电脑交易会上都展示了该机模型。

Sale by next year. Compaq, NEC and Toshiba all showed off models at thisweek's Comdex computer trade show in Las Vegas.

康柏、全国电信公司和东芝都在本周拉斯维加斯开幕的 Comdex电脑交易会上都展示了该机模型。

These include an "impact test" to make sure no small parts fall off when a toy gets knocked around; a "tumble test" for wheeled vehicles, during which testers push them down a short flight of stairs; and a "tension test" to make sure stuffed animals or beanbag toys don't come apart at the seams.

这包含冲击测试，来确保当四处磕碰一个玩具时，没有小的部分脱落下来。还有拉伸测试，来确保填充式的动物和装豆子的袋子没有裂缝。

At least it seems you will have the money to pay off any obligations that come due.

这至少意味着你有这些钱，能用于偿还这些负担。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48