前炉

Preparation of ultra fine MgNi2 powder via reduction of the oxide precursor was systematically studied.The precursor was prepared with nickel nitrate,magnesium nitrate and glycin as start materials by combustion method.

以Mg(NO3)2和Ni(NO3)2为原料，用甘氨酸作为氧化剂，采用燃烧法制备约50 nm的混合金属氧化物前躯体，再在H2气氛保护下的管式炉中用CaH2还原制备MgNi2合金。

Experimental results show that, using the UV-LIGA process, hexagon micromesh nickel sieves (200 μm in side length, 50 mm in diameter and 120 μm in thickness) with an open-area percent of 88% and a sheet-thickness of 120 μm, which can hardly be achieved by the conventional machining methods, are successfully machined. The machined sieves are characterized by their smooth surfaces and aperture walls, high precision sizes as well as rigid and homogeneous structures.

结果显示，采用优化的工艺条件（前烘65℃/20min，95℃/20min；适量曝光剂量；后烘65℃/10min，95℃/15min；匀胶后静置、随炉冷却；超声辅助显影等）所制备的六边形镍网（边200μm），不仅开孔率高(88%)，厚度大(120±3μm，且具有尺寸精度高（形位误差±2μm）、孔形一致性好（筋宽偏差＜3μm）、孔壁平滑等特点。

Planned revocation of the establishment of provincial-level development zones approved by the department concerned is: Quanzhou Baogai Technology Industrial Park,祥芝Technology Industrial Park, north of the city industrial park and stone carving Huian County Industrial Park; Zhangzhou shiting industrial zone, large Sakamoto South Industrial Area, Old Town, Industrial Zone, Huang warehouse industrial park, the mountain city industrial zone, Liuzhou Cape Guan Industrial Zone, East Shanxi Pu Industrial Park, a peaceful Baofeng industrial area and industrial area Changtai Guanshan: Putian Industrial Park and the East China Sea Daitou Industrial Park; Nanping Industrial Park under the furnace and Jianyang Tashan Industrial Park; Longyan Xinluo District even St.

21计划撤销设立省级开发区批准的有关部门是：泉州宝盖科技工业园，祥芝科技工业园，城北工业园区和石雕惠安县工业园区；漳州石亭工业区大南坂工业区，老城工业区，黄仓工业园，山城工业区，柳州角关工业区，东山西浦工业园区，一个和平的宝丰工业区和工业区长泰关：莆田市工业园区和东中国海洋法Daitou工业园区；南平工业园区的炉和简阳塔山工业园；龙岩新罗区甚至街工业园区，在庙前，连城连城工业园区和工业园区，红薯；宁德福白遴羝嗯金山工业区。

Before building oven bottom, wood screws shall be placed into center positions of horizontal target boards for marking centerlines of main walls and boundary lines of width shall be marked on all main walls.

砌筑炉底前，应在横列标板主墙中心位置上设中心线木螺丝，并划上各主墙的宽度边线。

Optimum tack time after printing to reflowing of components is about 26 hours.

印刷完毕后到进入回流炉前放置时间最长为26小时。

Bedides, an improved water-seal is installed in front of the inlet of gas tank in order to avoid gas's returning to biomass gasifier.

气柜进气口前设一水封，用以防止气柜内的燃气回流至气化炉。

Rotary piston pumps always used as backing pumps of vacuum systems in vacuum induction oven s.

真空感应炉真空机组中的前级泵，历来使用滑阀泵。

"If Mum already get up, finish the following household duties or or before 5:30pm according to the timetable 1. clean up the toilet bath tub, sink, toilet bowl, mirror… ect; 2. kitchen (clean up cupboard, stove, wall, ventilation fan… ect"

&11：00-5：30pm &，&开始做家务：若太太已经起床，然后根据时间表打扫 1 清洁及整理厕所(浴缸、洗面盆、马桶、镜) 2厨房(橱柜、煮食炉、墙、抽油烟机)，这些工作必需於5：30pm前完成。&

Printing shop workers ﹑ tin furnace workers must have the Meizhou City People's Hospital issued certificates of pre-employment medical examination before the factory.

6.1印刷车间作业工人﹑锡炉作业工人必须具有梅州市人民医院出具的就业前体检合格证后方可入厂。

Failing of old 600 t blast furnace mixer and its bad result were analyzed According to the analytical results,following measures were taken that top building blocks construction of furnace was improved,good filler and thick bottom plank of iron tapping hole were used,height mark of screed-coat of front and back wall was improved And service life of 600 t blast furnace mixer was increas

对600t混铁炉原来所存在的缺陷及导致的不良后果进行了分析，根据分析结果，采取了改进炉顶砌体结构、选用好的填充料、加厚出铁口底板、改变前墙与后墙的找平标高等措施，达到了均衡炉体各部寿命，使炉子整体的使用寿命延长的效果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。