stone scenery

On Pollution Characteristics of Inhalable Particulate Matter in Shijingshan District of Beijing;

北京市石景山区可吸入颗粒物污染现状研究

After a survey on the demand of school administrators in Shijingshan district,this article finds that although administrators in this district have received enough training,they are not satisfied with past training programs from contents,organizational forms to specific modes.

本文通过对北京市石景山区的中小学管理者的培训需求调研发现,该区管理者虽然接受过不少培训,但对以往的培训从内容到组织形式,到具体的方式等不甚满意。

Shi Jingliang s Experience in Treating Intractable Nephrosis;

石景亮治疗难治性肾病的经验

Shijingshan Iron and Steel Plant inthe Rule of Japanese Aggressors;

日本侵略者治下的石景山制铁所

Through textual criticism,the paper amends three important data about the Shijingshan iron and steel plant governed by the Japanese aggressor as following,which has been broadly used for a long period of time.

本文通过考证,修正日本侵略者统治石景山制铁所时的三项重要数据。