粉的

Also the molecular structure and functional effects of this active component were studied in detail. 1 Extraction, separation, purification and structural identification of the functional component in Chufa After initial handling of waste slurry to solid powder, ethanol was used to lixiviate it followed by the extraction with petroleum ether,ethyl acetate,n-butyl alcohol one by one, the polarity of three organic reagents being changed from low to high.

荸荠功能因子的提取、分离、纯化及结构鉴定以马蹄粉厂产粉废浆为原料，经过实验室初处理成固态原料粉后，用乙醇浸提，再将浸提物以水悬浮，依次通过极性从小到大的石油醚、乙酸乙酯、正丁醇三种有机溶剂两相萃取分部，并以金黄葡萄球菌、枯草芽孢杆菌和致病大肠杆菌为指示菌，检测上述各部分提取物的功能效果。

The steps for preparing insecticide include: first shaking flask for fermentation, adding amidon, soya bean cake powder, cotton cake powder, protease leather, yeast powder, maize milk, magnesium sulfate heptahydrate, monobasic potassium phosphate, dibasic potassium phosphate, calcium carbonate alpha-amylase and make-up water by ratio in culture medium with 100 unit volumes; secondarily filling 100ml culture mediums in triangular bottle, then seeding BTH-13 after disinfection and culturing them until the brood-cell pulls off under finite temperature; third adopting the selected culture medium and fermenting them in full-automatic fermentation tank, acidifying the fermentation liquor after the fermentation, adding the emulsifier, and directly performing spray-drying after the compression of the fermentation liquor to prepare the wettable powder.

制备杀虫剂的步骤是：首先是摇瓶发酵，在100单位体积的培养基中，按比例加入淀粉、豆饼粉、棉饼子粉、蛋白胨、酵母粉、玉米浆、七水硫酸镁、磷酸二氢钾、磷酸氢二钾、碳酸钙、及α-淀粉酶，补充水；其次是在三角瓶中装100ml培养基，灭菌后接种BTH-13，在一定温度培养至芽孢脱落；第三是采用筛选出来的培养基，在全自动发酵罐中进行发酵，发酵结束后发酵液酸化，加入乳化剂，酵液浓缩后直接喷雾干燥制备可湿性粉剂。

Several new technologies of sodium dithionite and their current situations of industrial application and research were introduced in this paper.

保险粉是一种常用的还原性纸浆漂白剂，本文介绍了目前国际上保险粉在制浆过程中的研究和应用现状，分析了保险粉用于制浆过程的技术经济和环境影响。

Several typical sodium dithionite bleaching processes,and its current situation of industrial application and research were introduced in this paper.

保险粉是一种常用的还原性纸浆漂白剂，该文介绍了几种典型流程以及保险粉在纸浆漂白中的应用和研究现状，分析了保险粉纸浆漂白的性能、环境影响和成本。

P. pilosa oviposits in the same day as the fig wasp pollinators, and they can oviposit on the sycouia for two days. Philoirwesis sp. oviposits much later, 6 to 13 days later than the pollinators. The ovaries inside the post-floral phase male syconium of F.

短尾佩妃延腹小蜂的产卵时间与传粉榕小蜂接近，几乎与传粉榕小蜂同时到达隐头果产卵，该时期隐头果可供其产卵2天；而长尾佩妃延腹小蜂的产卵时间较晚，在传粉榕小蜂产卵后的第6天开始到果外产卵，并可持续产卵约一周时间。

It is also possible to have a combination with a Classifier / Fluidized Bed for ball mill and another Classifier for Roller press or Hammer Mill, so called "Dual Classifier system".

还有一种可能，将用于球磨机的选粉机/流化床与另一台用于辊压机或锤磨的选粉机合并使用，即所谓的'双选粉系统'。

First, this paper analyzed the mechanism and influencing factors of thermal aging in iron powder core.

本文以铁粉芯热老化的特性为研究对象，首先从铁粉芯热老化的机理和影响因素入手，分析了能够反映铁粉芯热老化程度的特性参数。

Of, relating to, or made of pastel.

粉蜡笔的属于、关于粉蜡笔的，或用粉蜡笔制作的

The invention provides the flux-cored wire for welding the duplex stainless steel, 17 percent to 24 percent flux-cored powder is filled into stainless steel belt. The invention is characterized in that the mass percent of the components of the flux-cored is as follows: 35 percent to 40 percent of chromium powder, 11 percent to 15 percent of molybdenum powder, 2 percent to 4 percent of nickel powder, 3 percent to 5 percent of manganese powder, 1 percent to 5 percent of magnesia chrome, 1 percent to 3 percent of ferrosilicon, 4 percent to 9 percent of rock crystal, 2 percent to 6 percent of feldspar, 21 percent to 30 percent of rutile, 0.5 percent to 4 percent of Al2O3, 0 percent to 5 percent of zircon, 0.5 percent to 3 percent of Bi2O3, and 0.5 percent to 3 percent of manganese nitride.

一种用于焊接双相不锈钢的药芯焊丝，将药芯粉末以17～24％填充在不锈钢带内，其特征在于，所述的药芯质量百分比成分如下：35～40％的金属铬粉，11～15％的金属钼粉，2～4％的金属镍粉，3～5％的金属锰粉，1～5％的铝镁合金，1～3％的硅铁，4～9％的石英，2～6％的长石，21～30％的金红石，0.5～4％的Al 2 O 3 ，0～5％的锆英石，0.5～3％的Bi 2 O 3 ，0.5～3％的氮化锰。

At present, cement grinding system with roller press, especially combination grinding system have become one of cement grinding preferred schemes in large-scale cement production line.

目前，带辊压机的水泥粉磨系统，特别是挤压联合粉磨系统已成为了大型水泥生产线水泥粉磨的优选方案之一。

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％。