螺旋

Sculptural concrete ramp, gallerybridge, round columns decorated with decorative pattern and cockle stairs of the theater are best choices for creative people to hold activities.

充满雕塑感的混凝土坡道、廊桥、花纹装饰的圆柱子以及剧院的螺旋梯是创意人士工作和举办创意活动的不二选择。

The paper reports a new kind of feeding method using intermeshing helical roll for cold feeding rubber extruders.

提供了一种冷喂料橡胶挤出机新型螺旋啮合辊喂料方法。

The effect of main screw parameters (length/ diameter ratio, helix angle, channel depth and compression ratio)of cold feed rubber extruder on extrusion temperature were investigated by orthogonal regression method on the basis of the statistical analysis of experimental results.

研究了螺杆造型（长径比，螺旋升角，螺槽深度，螺杆几何压缩比），挤出工艺和胶料种类对橡胶冷喂料挤出机挤出温度的影响，并对各实验因素及实验结果做了统计分析，得出了他们之间的定量数学模型。

Purpose: To investigate the diagnostic value of helical CT in ulcerative colitis.

目的 ：探讨螺旋CT诊断溃疡性结肠炎的临床应用价值。

Characterized by a lack of attraction between the colloid medium and the dispersion medium of a colloidal system .

一个螺旋状物切割圆柱体或圆锥体的某些部分而形成的连续的角。

Key words: ultrasonography,doppler,colory;tomography,spiral computed;venous thrombosis

超声检查，多普勒，彩色；体层摄影术，螺旋计算机；静脉血栓形成

Condusion: There is direct correlation befweon the widening of Virchaw-Robin space around anterior commissure and age of patient.

前联合单纯性血管周围间隙扩大的程度与病人的年龄没有直接的关系，多层螺旋CT及MPd均能很好地显示病灶，对本病的诊断MPd优越于CT。

A scheme for compactification of ammonia water absorption refrigerators, especially for the reduction of the height of the generating rectification column is proposed, which includes using spiral sheet heat exchangers as the generator and the partial condenser of the refrigerator instead of the tube shell ones.

提出了一种氨水吸收式制冷机紧凑化的方案，特别是采用螺旋板式换热器作为发生器和分凝器以降低发生精馏器高度的新设计，给出了采用上述改进方案所研制的乙醇蒸馏装置的实验结果。

V/Q in one day procedure is feasible and sensitive for the diagnosis of pulmonary embolism. V/Q and spiral CT are complemental.

一日法V/Q对PE有很好的诊断价值，肺通气显像提高了肺灌注显像诊断的特异性。V/Q与螺旋CT对PE的诊断两者为互补关系。

Multiplanar resonstruction and virtual endoscopy are good complemental methods of axial CT.

螺旋CT多平面成像和仿真内镜成像是对轴位CT的重要补充，具有一定的应用潜力，值得临床上进一步推广应用。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。