查询词典 powder process

Multistep deposition process has been adopted in the preparation of superfine inorganic composite antibacterial powder, Ag~+ as crystal nucleus, packed outside by the hydroxid and phosphate precipitate of Ti and Zr elements etc., The optimal process conditions have been found from one-factor influence tests and multi-factor orthogonal test,and the optimal process conditions were: Ag iron was imported by silver ammine, and then 100ml Titanyl sulphate solution mixing with zirconium sulfate keep hot at 90 ℃ for 30 mins, and the Zr/Ti ratio is 0.15,and Na_2HPO_4 was added in the end.

超细无机复合抗菌粉体的制备采用以Ag~+沉淀物作为晶核，外包裹Ti、Zr等金属的氢氧化物沉淀和磷酸盐沉淀物的多步沉淀工艺，并利用单因素和正交试验法对制备工艺进行了优化，其最佳工艺条件是：Ag~+以银氨络合物引入，沉淀钛锆的反应时间为0.5h，反应温度为90℃，水解反应时体系总液量为100ml、Zr/Ti为0.15，沉淀物经水洗、干燥，于700℃煅烧4.0h；即得最终产品。

Comparing with the old process, the new process makes the content of oxygen half remain, the lowest is 10.9ppm and the average content is 15ppm; the total content of oxide inclusion decreases 45%, the lowest is 16ppm and the average content is 17. 5ppm. The notch toughness value of wheel in the new technology is much increased than that in injecting CaSi powder, in wire-feed and in the conventional process, the notch toughness value at low temperature, such as at -40℃ and -60℃ increased over 40%.

工业性试验结果表明，采用本研究的工艺条件，不仅使车轮钢全面满足GB8601-88和GB8602-88标准中A级车轮的质量要求，而且也满足了铁道部对200km/h高速车轮提出的冶金质量要求，与原工艺相比，使钢中氧含量减少一半，最低为lO.9ppm，平均为15ppm：氧化物夹杂总量下降了45％，最低为16ppm，平均为17.5ppm，车轮的冲击韧性值得到了明显提高，其中-40℃和-60℃的低温冲击韧性值较喷粉、喂线及原工艺高40％以上。

Results: The optimal preparing process is: making Panax to be powder; extracting Rheum and Coptis respectively with ethanol; decocting Astragalus, Hirudo and Polyporus with water; then making all the extractions to be powder and mixing with Panax powder, then putting them into capsules. The content of Ginsenoside 〓 in one capsule should be not less than 0.235mg. Panax and Coptis are the main compositions that make Liuwei Tangshen Capsule reducing the blood sugar.

结果：确定最佳制备工艺为：人参粉碎成细粉，黄连、大黄分别用乙醇提取，黄芪、水蛭、猪苓三药用水共煎，各提取物干浸膏细粉与人参细粉混匀，装胶囊；有效成分含量的控制标准为：每粒胶囊中含人参皂苷〓不低于0.235mg；人参、黄连是六味糖肾胶囊发挥降糖作用的主要药味；六味糖肾胶囊中小檗碱在动物体内的分布和消除速度均较适中，但病理模型动物与正常动物相比吸收较差。

The results showed high class PbSt2 could be synthesized by this new saponifying process.Compared with metathetical process,the reaction time shortened,liquid-solid ratio and moisture content of filter cake decreased.Powder product could be prepared by one-step process,and particle product by two-step process.For the optimum processing conditions,the reaction temperature and time for one-step process were 65℃ and 10min,the amount of alkali added in the first step was 50%;reaction temperture and time were 65℃ and 10min for the two-step process.

结果表明，用皂化法工艺可得到优等品PbSt2，较复分解工艺，反应时间缩短、液-固比降低、滤饼湿含量比减小，一步式工艺得到粉状产品，二步式工艺得到颗粒状产品；最佳工艺条件为：一步式工艺反应温度65℃，反应时间10min；二步式工艺第一步的加碱量比50%，反应温度65℃，反应时间10min。

The inventive powder-feeding device and method can effectively and easily process the paraxonic powder-feeding laser powder filling weld on the round and arc track of machined surface.

本发明的送粉装置和方法，可以有效、方便地对加工平面上为圆形、圆弧形轨迹进行旁轴送粉方式激光粉末填充焊接。

In this thesis, the concentration of graphite powder in the liquid nickel sulfamate and current density are chosen as parameters for composite electrodeposition of nickel and graphite powder. In addition, after electrodepositing, the graphite powder is oxidized into carbon dioxide through heating process for obtaining porous structure. Filter devices of various specifications can be made by controlling the hole dimension of the porous structure.

本研究为了制作出多孔洞结构，将在氨基磺酸镍电铸液中以不同的石墨粉浓度及电流密度为参数进行复合电铸，并且经由加热处理使石墨氧化成为二氧化碳以制造出多孔结构，根据这些多孔结构的孔径大小可以获得各种规格的过滤结构元件。

Recent progress and achievements of tungsten metallurgy in China including the exploitation of process technique in treating various resource, molybdenum separation technology from tungsten, production of high pure APT from low grade material and tungstenic scrape, process equipment and automatization degree in tungsten metallurgical plant, application of membrane technology in non pollution tungsten metallurgical process, and ultrafine powder of tungsten etc.

综述了近年来我国钨冶炼在开发处理多种资源的工艺技术、钨钼分离技术、从低品位钨矿物原料和含钨废料中生产高纯APT、钨冶炼技术装备和自动化水平、膜分离技术在开发无污染钨冶炼工艺的应用、超细钨粉等方面的最新进展和成果。

A high-resolution Differerntial Thermal Analysis apparatus was used to sinter the mixture of Mg and B powder and monitor the reaction process. Based on the classical sintering theory and multiple scan kinetic analysis method, the formation process and mechanism of polycrystalline MgB2 during in-situ sintering process were systemticlly investigated and the optimal sintering process was determined.

上述研究包含的主要内容和获得的结论有：利用高精度差热分析仪对Mg粉和B粉的混合试样进行烧结处理并同步监控其反应进程，在实验分析的基础上，结合经典烧结理论和多重扫描动力学分析方法，系统研究了原位烧结制备过程中多晶MgB2相的形成过程及成相机理，并确定了最佳烧结工艺。

Mainly due to the paper in the manufacturing process in the business card printing and membership card production processes may occur in the anti-dropping paper, shedding and accumulate in blanket above, affect the imprinted ink dot, left the correct delivery, paper above paper and paper powder will pass the rubberand, block drum, passes through the rollers are passed to the monlchamus sluicing inside, thus affecting the transport of monlchamus road, experience the paper off powder serious paper business card printing and membership card at the end of production of monlchamus tuhung riverbeds are gray, paper wool, paper powder, at which point inking at, imprinted inks are printed on your mind, and the cultiuation of 1 000 paper white adhesion on the blanket, you need to wipe down blanket.

次给是由于纸弛在创作发明工艺方背的来因，在制卡和会员卡制作历程洋不定会表现纸弛脱粉掉不净，并且积聚在橡皮布上背，感化痕迹不朱色的网点、图不白侧确传达，纸弛上背的纸灰、纸粉不离会堵住橡皮、印版滚筒，不纬过不朱辊传达到不朱斗槽边背去，从而感化不朱路的传输，碰到纸弛掉粉惨轻的纸弛，制卡和会员卡制作到最后不朱斗边全是纸灰、纸不净、纸粉，此时不朱量闭到最不小，痕迹不朱色也显得醲郁露底，印上1 000弛纸弛白花花黏附在橡皮布上，不离必给擦洗橡皮布。

Mainly due to the paper in the manufacturing process in the business card printing and membership card production processes may occur in the anti-dropping paper, shedding and accumulate in blanket above, affect the imprinted ink dot, left the correct delivery, paper above paper and paper powder will pass the rubberand, block drum, passes through the rollers are passed to the monlchamus sluicing inside, thus affecting the transport of monlchamus road, experience the paper off powder serious paper business card printing and membership card at the end of production of monlchamus tuhung riverbeds are gray, paper wool, paper powder, at which point inking at, imprinted inks are printed on your mind, and the cultiuation of 1 000 in the white paper in the blanket on adhension, you need to wipe down blanket.

次给是由于纸弛在创作发明工艺方背的来因，在制卡和会员卡制作历程洋不定会表现纸弛脱粉掉不净，并且积聚在橡皮布上背，感化痕迹不朱色的网点、图不白侧确传达，纸弛上背的纸灰、纸粉不离会堵住橡皮、印版滚筒，不纬过不朱辊传达到不朱斗槽边背去，从而感化不朱路的传输，碰到纸弛掉粉惨轻的纸弛，制卡和会员卡制作到最后不朱斗边全是纸灰、纸不净、纸粉，此时不朱量闭到最不小，痕迹不朱色也显得醲郁露底，印上1000弛纸弛白花花黏附在橡皮布上，不离必给擦洗橡皮布。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。