1.
CHROME AND FLUORINE-FREE PRETREATMENT OF MAGNESIUM ALLOYS FOR DIRECT ELECTROLESS NICKEL PLATING
镁合金无铬无氟前处理直接化学镀镍研究
2.
Chrome and Fluorine-free Pretreatment of Magnesium Alloys for Electroless Nickel Plating
镁合金化学镀镍无氟无铬的前处理工艺研究
3.
Methods： To treat teeth with fluoride treatments before or after etching.
方法：在酸蚀前后分别用氟化泡沫对牙釉质进行氟化处理。
4.
Discussion on the Pretreatment for Fluoride Monitoring in Air
对空气中氟化物监测的前处理方法的探讨
5.
Treatment of high fluorine contained groundwater by modified clay as defluoridation reagent
改性粘土除氟剂处理高氟地下水研究
6.
fluorotitanate-treated wool
酞酸氟处理的毛织品
7.
Preparation of Starane Residues Determination in Soil, Water and Wheat
土壤、水和小麦中除草剂氯氟吡氧乙酸残留检测前处理方法
8.
Production of sodium fluoride from fluorosilicic acid solution treated with soda ash by one step process
纯碱处理氟硅酸溶液一步法生产氟化钠
9.
Effect of Al and F Interaction on Physiological Characteristics of Tea Plants
铝氟交互处理对茶树生理特性的影响
10.
The RSD for internal standard method is 2.71%, and the recoveries are in the range of 98.4%-102.1%.
研究了氟谱测定的前处理和共存离子的干扰，以外标法和内标法进行定量分析。
11.
We can't do anything about it before we first find out where the shoe pinches.
在发现困难所在之前,我们无法加以处理。
12.
Prior to 1990, the Act had proved completely ineffective in dealing with acid rain.
1990年以前，该法案在处理酸雨问题上毫无建树。
13.
Around 1810 Fouriers, Gauss, and Bolzano began the exact handling of infinite series.
在1810年前后，Fonrier，Grauss和Bolzano开始确切地处理无穷函数。
14.
Electroless Deposition of Ni-P, Ni-W-P Coatings with a Chromium-free Pretreatment on AZ91D Magnesium Alloy;
AZ91D镁合金无铬前处理化学镀镍磷、镍钨磷合金
15.
Study on Electroless Deposition of Ternary Coatings with a Chromium-free Pretreatment on AZ91D Magnesium Alloy;
AZ91D镁合金无铬前处理化学镀三元合金研究
16.
Research of Chrome-free Pretreatment for AZ31B Magnesium Alloy Electroless Nickel Plating
镁合金AZ31B化学镀镍无铬前处理工艺研究
17.
Treatment of Fluorinecontaining Tail Gas from SSP Plant in Dynamic Froth Bed
动态泡沫床处理过磷酸钙含氟尾气
18.
Treatment of Wastewater Containing Fluoride by NaCl-Al_2(SO_4)_3 Composite Modifi ed Zeolite
NaCl-Al_2(SO_4)_3复合改性沸石处理含氟废水