引入的

Any of various plants having cottony down, as some species of the genus Froelichia.

欧洲多年生高草，有被绒毛的茎；已经引入美国，用作草料。

The addition of small amounts of H2O and NaOH to the reaction system improved the catalytic activity but decreased the selectivity of crotyl alchol.

结果表明，反应体系中水和氢氧化钠的引入，可提高催化活性，但降低了选择性。

The heterogeneous W-HMS catalyst was in-situ prepared by immobilization of tungstic acid on hexagonal mesoporous silica. It was used to synthesize glutaraldehyde from cyclopentene.

采用原位合成法将W(上标 6+)引入六方介孔全硅分子筛骨架中，制备了应用于环戊烯催化氧化合成戊二醛反应的W-HMS催化剂。

The photodegradation of pharmacy-waste water has been studied. The photocatalyst is TiO2 immobilized on glass reactor. Fenton reagent has been used. The decolour rate and decrease of COD.

以TiO2为催化剂，并将其制膜固定在玻璃质光反应器内壁上，以9W低压汞灯为光源，引入Fenton试剂，对武汉市某制药厂的制药废水进行了处理实验。

Based on the field measurement of concentration at 29 points in Xiaonanhu of the West Lake and the analysis of its order of the Densimetric Froude Number, this paper shows that the behavoir of flow in the lake belongs to the well-mixed type, which coincides with the result of hydraulical investigation of other similar lakes.

l静合~口'J'二J 杭州西湖是闻名中外的旅游胜地，一年四季游客络绎不绝。但湖水水质有时较差，透明度较低，影响游览观赏价值。为此，特有计划地引入钱塘江清水更换湖水。清水通过引水渠经小南湖进人西湖，在西湖北岸设有排水闸排泄湖水。

The bleach boosting comprounds are ideally suited for inclusion into bleaching compositions including those with detersive surfactants and enzymes.

该漂白增效化合物理想地适合于引入包含洗涤表面活性剂和酶的漂白组合物中。

CAI is of great help to reform some of the traditional didactical abuses, to enrich the format and content of teaching, ease the burden of the teachers to make the students learn more conveniently, and to improve the teaching quality.

在教育领域中引入CAI，有助于改善传统教学的一些弊端，丰富教学形式和内容，减轻教师负担，方便学生学习，提高教学质量。

Finally, experiment results indicate that K_2SO_4 is the most widely and best stimulation effect in familiar dissoluble sulfate.

引入外来质点，降低了成核的表面能势垒，使CaSO_4·2H_2O更容易结晶。

Chapter III, the introduction of institutional factors of endogenous growth model.

第三章、引入制度因素的内生经济增长模型。

The New Republic had also pioneered a Diarist feature on the last page, which was designed to be a more personal, essayistic, first-person form of journalism.

新共和》也首先引入了杂志末页个人化，短小，第一人称的新闻体日记式风格专题。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。