| 1. | Notes on two identities of derangements
关于错排数的两个等式的注记 |
| 2. | Control output : relay contact ac250v 7a impedance control meaus : 2 - on off control
Xmt - 3000单排数显温度控制仪 |
| 3. | Intelligence double - row display temperature regulating instrument digital faceplate meter
Xmt9000智能双排数显pid仪表 |
| 4. | Xmt3000 intelligence temperature regulating instrument name : xmts - 3000 digital temperature control meter
名称： xmtf - 3000单排数显温度控制仪 |
| 5. | River a row of dozens of strains of diethanolamine trees , the leaves may burn like red , is august day
江畔一排数十株乌柏树，叶子似火烧般红，正是八月天时。 |
| 6. | Total range of the input control output : relay contact ac250v 7a impedance control meaus : 2 - on off control power : ac85 to 220v 50 60hz
Xmts - 3000单排数显温度控制仪xmts - 3000单排数显温度控制仪 |
| 7. | Basic error : 0 . 5a dot of the total range of the input control output : relay contact ac250v 7a impedance control meaus : 2 - on off control power : ac85 to 220v 50 60hz
Xmtd - 3000单排数显温度控制仪xmtd - 3000单排数显温度控制仪 |
| 8. | For the optimization function of hrsg , the cool costs is considered as the objective function and the variables are the number of row , the number of tube per row , the horizontal distance and vertical distance between tubes of the evaporator and the economizer
建立了以bchp系统的冷量成本为目标函数，以余热锅炉排烟温度、蒸发器和省煤器中螺旋翅片管管排数、每排管数、管束横向节距和管束纵向节距为决策变量的余热锅炉优化模型。 |
| 9. | Automatic computation and modification of the dimension , the number of total heat tubes and rows , the body line of layout areas and other results involved . 4 . the programming of various functional models and their communication , coded with visual lisp and vba and based on the opening structure of autocad and its entity database
标示最大布管边界，自动标注尺寸，自动修改并输出布管参数及结果，包括：自动计算并输出每一管程的管根数、起始排数、终止排数，自动计算并输出每排热管根数与拉杆根数。 |
| 10. | The article below deals with the mechanism research of this kind of machine , describing the structure and principle ; theoretically analyzing the data to derive formula ; tentatively proposing theory of radial flow between parallel plates for future design ; pores arrangement , i . e . , longitudinal pores are equally spaced , horizontal pores bore size is preferred unequal and rows distance can be either equal or not but generally smaller than pores distance , and rows shall be odd numbers and are arranged symmetrical from the center row and bore size reduces gradually from the center row
本文对气垫机作了机理研究，描述了气垫机的结构型式及工作原理，对气垫机的主参数作了理论分析，根据平行平板间的径向流动理论，建立了计算模型，导出了计算公式，可作为气垫设计理论的依据；提出了气孔布置的原则：纵向孔间距相等较好，横向孔径不等为佳，横向孔排距可以相等，也可以不相等，但一般小于孔间距。气孔排数应为奇数，由中心两侧呈对称布置，孔径由中心向两旁逐渐减小。 |
