One stone quarry in Guangdong Province was taken as an example in this article to study the environmental impact of the quarry.

Study on the air environmental impact assessment of a stone quarry

采石场大气环境影响评价问题研究&以广东东莞某采石场为例

Application Researches on Evaluating System of Hazard Grade in Small Open Stone Quarry

小型露天采石场危险程度评价系统的应用研究

For example, a geologist named John Walker entered into an agreement with Lafarge North America in 2006 to conduct a joint venture on a stone quarry project in Haiti.

比如说，2006年，一位名叫约翰•沃克尔的地质学家就与LaFarge North America公司达成协议，负责领导一家合营企业在海地的一个采石场项目。

Through studies on sedimentary characteristics on sedimentary sequence, environment, it is considered that Yongning basin is basically kept original, which was an east high and west low dust pan basin and its provenance material came from east and west.

通过对永宁组沉积序列、沉积特征、沉积环境等研究认为永宁盆地基本保持了原始面貌，为一东高西低的箕形盆地，物源分别由东西侧注入。

No matter they are dust pan, half graben and complex types, they have distinct general characters in section configuration and the distribution of sediments.

无论是箕状式、地堑式，还是它们之间的组合&混合式，在剖面形态、沉积分布均具有明显的共性。

Film cooling experimental investigation of a row of dust pan shaped holes

簸箕形排孔气膜冷却实验研究

Results show that the optimal blowing ratio is 1.0 for the cone shaped holes, 0.7 for the dust pan shaped holes and 0.5 for the round holes.

结果表明：圆锥形孔、簸箕形孔及圆柱形孔的最佳吹风比分别为1.0,0.7及0.5。

Objective: To establish the quantitation standard of the pre sacrum space of normal adults.

目的：建立正常成人骶前间隙量化标准。

Application of Muscle Skin Petal to Repair of Sacrum Bedsore

肌皮瓣在修复骶部褥疮中的应用

Nursing Care for Rectal Cancer Patients Underwent Continuous Lavage of Anterior Sacrum After Miles Surgery

直肠癌患者Miles术后骶前持续灌洗的护理

Conclusions Complete resection of tumor is the most effective way to manage sacrum chordoma.

结论骶骨脊索瘤的最佳治疗为广泛的手术切除。

Image Diagnosis of Bone Destruction with Soft-tissue Tumor in Sacrum ( An Analysis of 26 Cases)

骶椎骨质破坏伴软组织块影的影像诊断（附26例分析）

The application of U shape titanium plate in surgical treatment of lumbar and sacrum spinal tuberculosis

前路病灶清除、植骨和U形钛板固定治疗腰骶段脊柱结核

Biomechanical Study of the Pedicle Screw on Sacrum 2(ⅱ)

骶2椎弓根螺钉的生物力学研究（Ⅱ）

Usefulness of selective target artery embolization in the resection of sacrum tumor

选择性靶动脉栓塞在骶骨肿瘤切除术中的价值

The Value of Coronal CT Scan of Sacrum and Sacroiliac Joint

评价骶骨CT冠状位扫描临床应用价值

Image analysis of normal anatomical variations in sacrum and coccyx

骶尾骨正常变异的影像学分析

Cooperation and nursing in operation of anterior and posterior sacrum neoplasm resection

前后联合入路切除骶骨肿瘤的手术配合及护理

Observation and measurement of articular processes of lower lumbar vertebrae and sacrum

下位腰椎和骶骨关节突的观测

Fracture of Sacrum in Double Vertical Fracture-dislocation of Pelvis

合并骨盆骨折脱臼的骶骨骨折