有效操作

All workers to be involved in rebar welding shall be with effective work permits.

凡参加钢筋焊接的操作人员都必须持有效证件。

the operation of osteoporotic thoracolumbar compressive fractures by grafting biotic autogeneic bone marrow and resorbent gains with percutaneous vertebroplasty is simple and safe, and the symptom of pain of the patients is relieved.

采用经皮椎体成形术，注入复合生物型自体红骨髓磷酸钙水泥加可吸收颗粒治疗骨质疏松性脊柱骨折操作简单，较安全，可有效缓解疼痛。

Feature: This product is designed for restring the original color and bright of the car. It contains fine abrasive, color restorer and eradicator, which can remove the oxide layer on the lacquer surface. You can operate manually or mechanically. After being treated by this product, the lacquer surface can restore its original color.

产品性能：本品为恢复车身原有光泽和色彩而设计，内含有极细研磨剂、色彩还原剂、去污剂等成分，能有效去除漆面的氧化层、可手工或机械操作，方便快捷，经简单处理，即可立即还原车漆本色。

This method could be used for the quality control of the Chinese medicine Rhizoma Cibotii.

本方法操作简便，灵敏度高，可有效地控制狗脊的质量。

One-step extraction with polar and nonpolar mixed solvents was a method of effective comprehensive extraction for antioxidant and essential oil of rosemary (Rosmarinus officinalis L.). The method was simple on operation and was easily put into practice.

极性和非极性混合溶剂一步提取法是迷迭香抗氧化剂和精油综合提取的有效方法，操作简单，容易实施。

This method for treatment of nonunion of scaphoid fractures, with it effectiveness, simpleness,and minor side injuries,was worthy of wide use.

该手术方法疗效好、副损伤小、操作简单、易于推广；为治疗腕舟骨骨不连的有效方法。

It is a simple and accurate operating method with good specificity and repeatability, and it was capable to effectively control quality of Smectite Power.

该方法操作简易，专属性及重现性好，可有效的控制蒙脱石散的质量。

Cases returned to 100-120 degree postoperation.1 case returned to 90 degree and no atrophy of supraspinatus or infraspinatus.conclusion this method is safe and effective.

术前及术中根据肩袖断裂的程度，选择合适的病例，该方法既修补了断裂的肩袖，又去除了肩峰下撞击，操作简单，安全有效。

This system has such virtue as simulate continuons or instantaneous spill, dynamic graphical output to show the spill distribution and tractory of the center of the oil slick, friendly interface, easy operation, fast runing and effetively in an online.

该系统具有特征：模拟瞬时或连续溢油源、动态图形输出显示油膜的分布及质心轨迹、界面友好、易于操作、运算快速且有效。

Oriented to the knowledge processing in IHS, in order to design a tume Petri nets efficient algorithm for temporal knowledge reasoning the dissertation makes full use of the efficiency of Petri nets for knowledge processing and the model of train group operation.

针对智能混杂系统的知识处理问题，在已经建立的列车群运行系统的对象Petri网模型的基础上，本文利用Petri网对知识的处理能力，给出了一种有效的时间Petri网的时间知识推理算法，由于算法中引入模糊时间区间的操作、保留了最少数量的生成图节点，所以该算法比已有的算法效率高并可处理时间区间的不确定性问题。

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。