量筒

Alcohol use in the heat lamp can be test-tube, flask, beaker, the evaporation of liquid to the dish to heat, heat the dry solids can be used when the test tube, dish, such as evaporation, and some instruments, such as cylinder set, graduated cylinder, funnel, and so does not allow alcohol use light heating .

在用酒精灯加热可以用试管、烧瓶、烧杯、蒸发皿来给液体加热，在加热固体时可用干燥的试管、蒸发皿等，有些仪器如集气瓶、量筒、漏斗等不允许用酒精灯加热。

NOTE: 1. Alcohol use in the heat lamp can be test-tube, flask, beaker, the evaporation of liquid to the dish to heat, heat the dry solids can be used when the test tube, dish, such as evaporation, and some instruments, such as cylinder set, graduated cylinder, funnel, and so does not allow alcohol use light heating .

。在用酒精灯加热可以用试管、烧瓶、烧杯、蒸发皿来给液体加热，在加热固体时可用干燥的试管、蒸发皿等，有些仪器如集气瓶、量筒、漏斗等不允许用酒精灯加热。

Our factory is specialized in producing any of the following products: iodine sublimation tubes, connectors, Erlian ball on the wall, liquid convection experiments, and demonstration devices, U-type the highest minimum, capillarity, platinum and gold bars, Sheng liquid cylinder liquid internal pressure, small pressure, the nitrogen ball, scale straw, demonstration thermometer, water, electricity and gas, Newton tubes, a variety of test-tube funnel, chemical use test tubes, glass rods, Glue stick, glue the first dropper, all kinds of beaker , flask, measuring cup, graduated cylinder.

我厂专业生产下列产品：碘升华管，连通器，二连球，对器壁，液体对流实验器、演示器，U型最高最低，毛细现象，铂金丝棒，盛液筒，液体内部压强，微小压强计，二氧化氮球，刻度吸管，演示温度计，水电解气，牛顿管，各种试管漏斗，化学多用试管，玻棒，胶棒，胶头滴管，各种烧杯，烧瓶，量杯，量筒。

Fourth, glass products: The main Deputy North glassy, glassy-day, Shu-glass products, such as the proportion of dollars, jars,, flask, acid-base type burette, pipette calibration, single-standard pipette, graduated cylinder, cup, dish, surface plate, funnel and funnel rack, test tube holder, test tube brushes, crucible, magnetic mortars, alcohol lamps, laboratory supplies, such as asbestos network.

四、玻璃制品：主要代理北玻、天玻、蜀玻产品，如比重计、广口瓶、容量瓶、三角瓶、酸碱式滴定管、刻度吸管、单标吸管、量筒、量杯、培养皿、表面皿、漏斗及漏斗架、试管夹、试管刷、坩埚、磁研钵、酒精灯、石棉网等实验室用品。

The paper discussed the domestic and oversea specification about the gauging standard of the measuring cylinder in particle size analysis test by hydrometer, then put forward the corresponding suggestion and the method of calibration of the measuring cylinder .

文章讨论了国内外用于密度计法颗粒分析用量筒的计量标准的规定，提出了相应的建议和标定方法。

Product series: Glass instrument, glass handicraft, glass tube, glass bar; Glass test tube series: flask, measuring flask, graduate, and standard instrument; Glass handicrafts series: candle stand, oil lam, lamp cover, lamp tube, vase, lover temperature meter, Christmas ball, bell, angel, pipe, dipping snuff bottle, Arabic dipping snuff bag, sandglass, timer sandglass, glass thermo teapot, tea cup, tea plate; High boron-silicon glass tube series: outer diameter 3—300mm, wall thick 0.6—1mm Glass bar outer diameter series: 3—40mm, colored bar: 3—20mm All business are welcome!

产品系列有：玻璃仪器，玻璃工艺品，玻璃管，玻棒；玻璃试管系列有：烧瓶，容量瓶，量筒，标准磨口仪器；玻璃工艺品系列有：烛台，油灯，灯罩，灯管，花瓶，爱情温度计，圣诞球，铃铛，天使，烟斗，水烟壶，阿拉伯水烟袋，沙漏，计时沙漏，玻璃耐热茶壶，茶杯，茶海；高硼硅玻璃管系列有：外径3—300mm，壁厚0.6—1mm，玻璃棒外径系列有：3—40mm，彩色棒3—20mm 欢迎国内外客户来电洽谈！

The top 225 mL were then siphoned off and the bottom 25 mL transferred quantitatively to a tared weigh boat and dried to a constant weight.

第二种方法：称取4克加入250ml水的带塞量筒中，在2min内颠倒30次，静置1min，移除上部225ml，余下25ml转移至称重的量杯中，烘干至恒重，记录残留物重量。

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％。