鉛末 的英文怎麼說
中文拼音 [qiānmò]
鉛末
英文
lead dust-
The high alloy and metal ceramic valve seats and valve guide manufactured by ourselves can satisfy the requirements of unleaded gasoline, diesel oil and natural gas engines, and also can apply to the requirements of natural air admission and various pressurization intensification engines
公司生產的高合金粉末冶金氣門座和氣門導管能滿足無鉛汽油機柴油機天然氣發動機需要，也能滿足自己吸氣及各種增壓強化發動機需要。並可根據客戶要求來樣加工。Lead hydrogen phosphite superfine powder, lead oxide phosphite hydrate superfine powder and tribasic lead sulfate superfine powder were prepared by micro - liquid - phase synthesis method ( mlps method ) in this paper. at room temperature, acetic acid worked as catalyst, lead oxide and phosphite or sulfate were blended thoroughly, then were ground for tens minutes
本文採用微液相合成法制備了亞磷酸鉛、二鹽基亞磷酸鉛和三鹽基硫酸鉛超細粉末，以氧化鉛和亞磷酸或硫酸為原料，以醋酸為催化劑，在室溫下充分混合、研磨幾十分鐘，乾燥后即可得到產物。Thermosetting powder coating of low - temperature curing type is a newly - developed powder coating which is used on the things that are not suitable for high - temperture baking. this type of powder coating opens up wider application by lowering curing temperature to 108 - 130. it can be used for surface coatings on such things as flaw detectors, auto water tanks, springs, electrical appliances with coils, instruments, equipment with tin welding seams. it can also be used on the products made of aluminum and magnesium materials, glass, plastics and wood etc
低溫固化型粉末塗料是針對那些不宜高溫烘烤的產品，而最新研製的新品種，它不僅具備一般粉末塗料的特徵，而且可以把固化溫度降低到108 - 130 ，從而拓寬了粉末塗料的應用領域；適用於擦傷機械、汽車水箱、發動機、彈簧、線圈電器、儀器儀表、錫焊條接縫設備、鉛鎂材質、玻璃、塑料、木材等製品的表面塗裝。H silica - coated middle chrome yellow is prepared by the precipiation of chromate salt with lead nitrate solutions with special surface treatment of silica, aluminum and other additives
中鉻黃是由鉻酸鹽和硝酸鉛相互沉澱，再經過硅、鋁等助劑特殊處理所得的耐熱性特佳的中黃色粉末。Use the knife / pencil sharpener to turn the lead of the pencil into powder
用小刀或削鉛筆機把鉛筆的筆芯弄成粉末狀。According to the significant improvement in properties of ions and particles doped perovskite, tb and cnt doped pt materials were prepared, and the properties studied. tb and cnt doped pt powders and films were successfully prepared by sol - gel method. by differential thermal analysis ( dta ), scanning electron microscopy ( sem ), transmission electron microscopy ( tem ), x - ray diffraction ( xrd ), fluorescent analysis and dielectric constant analysis, the morphology and phase transformation, crystalline properties, fluorescent properties and dielectric properties of the materials were studied
本研究中採用溶膠凝膠法制備了具有優良結晶性能的稀土離子tb及納米碳管摻雜的鈦酸鉛（ pt ）超細粉末和（ 100 ）取向生長的薄膜，並利用差熱分析、掃描電子顯微鏡、透射電子顯微鏡、 x射線衍射、熒光分析和介電常數等多種分析測試手段對摻雜后的pt薄膜及超細粉末的相結構、光學性能、結晶性能以及介電常數等進行了研究。A faint flashlight or a dim red torch helps you write in the dark. a pencil and a sheet of paper is essential for recording the number of meteors as well as the starting and ending time of observation. remember to bring a watch along with you
一個光度暗弱的電筒，或在電筒前包著紅紙，可方便記錄，而鉛筆和白紙更是必備的，可記下流星的數目和觀測時間的始末，故此，一個手錶也要用上了。分享友人