powder-free的例句（powder-free在句子中的用法）

• An environmental friendly phosphorus - free degreaser is obtained by orthogonal test. 通过正交试验得到一种以表面活性剂为主、辅以助剂的环保无磷脱脂剂.
• We experimentally implement a fault - tolerant quantum key distribution protocol with two photons in a decoherence - free subspace. 我们利用两光子消相干自由子空间实验实现了 容错 量子密码.
• Alkali neutralizer powder, but also can be used as dechlorination agents and Rust Remover. 粉末状碱中和剂, 也可用作脱氯剂和除锈剂.
• Methods: The technique of serum free cultivation and the methods of immunofluorescence cytochemistry were used. 方法利用无血清培养技术和细胞免疫化学方法.
• Methods: Cell culture in serum - free medium , indirect immunofluorescence cytochemistry were used. 方法: 采用无血清细胞培养技术, 间接免疫细胞化学染色法.
• Tin free , polishing antifouling composition with cuprous oxide. 含氧化亚铜的无锡自抛光防污涂料.
• This article reports a method of preparation of metal - copper - powder with cuprammonia by directly chemical method. 本文报导了一种用化学方法直接从铜氨溶液中制取金属铜粉的方法.
• Buyers use different ruses to wring free credit out of their suppliers. 买主们千方百计想从供货商那儿无息赊购。
• Objective To study absorbed mechanism of free bone auto - graft in cranium. 目的探讨颅顶部自体骨游离移植被吸收的内在机制.
• You can add the fluid to the powder, or, conversely, the powder to the fluid. 可把液体加入粉末，或者相反，把粉末加入液体。
• The company will furnish each contestant with a free ticket. 公司将为每个参赛者免费提供一张票.
• The wide application of electronic computers in science and technology will free man from the labour of complicated measurement and computation. 电子计算机在科学技术方面广泛的应用将使人们从复杂的计量和计算中摆脱出来.
• Commutator and brushes shall be free of grease, or other contaminants. 换向器和炭刷应无脂或其他污物.
• Colorimetric determination method for free methionine was established , that is NTB method. 首先建立了适用于大量菌种筛选工作的蛋氨酸的测定方法-NTB法.
• The production of wear - resistant castables is optimized based on rheology, powder engineering, collochemistry and thermodynamics. 耐磨 浇注料是建立在流变学 、 粉体工程学 、 胶体化学、热力学等前沿耐火材料理论基础上充分优化制成.
• Using a pestle and mortar, pulverise the bran to a coarse powder. 用杵和臼，将麸皮磨成粗粉。
• The turbo air classifier is a very important powder classification device. 涡流空气分级机是一种重要的粉体分级设备.
• Nevertheless, in current and circumjacent inn use free books variety not much. 不过, 目前周边店里的动漫图书品种并不多.
• Analyze for chlorin in free water , water cut and sand content in the crude oil. 测定游离氯根, 做原油含水及含砂分析.
• The company provides more than 20 free-to-air channels. 本公司提供20多个免费收视频道。