The diffusion of WO3 is the restrictive step of reduction process of WO3. Improving fluidity of slag and enlarging areas of reaction interface can accelerate reduction process of WO3.

还原WO3的限制性环节是WO3在熔渣中的扩散，改善渣的流动性，扩大反应界面能加快WO3的还原；

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The method and the step of reduction of river water, well water, reservoir water and interbasin water diversion are explained, The examination measures of reduction result rationality is put forward.

文中详细地阐述了取河水、井水、水库水、跨流域引（排）水等不同情况进行还原的具体方法步骤，并对水量还原成果提出合理性检查措施。

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Fermentation is often one step in a sequence of food processing operations, which may include cleaning, size reduction, soaking, and cooking.

发酵过程通常是一系列食品加工操作中的一道工序，这些加工过程可包括清洗，粉碎，浸泡和烹饪等步骤。

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Mr Bush's trade supremo, Robert Zoellick, and the commerce secretary, Don Evans, presented the new plan as the logical culmination of the step-by-step reduction of trade tariffs that has taken place since the end of the second world war.

ECONOMIST: Can America kickstart the Doha round? | The

As he says, a lot of people will freak out this, but its another step along the same line of waste reduction as what we hoped The Times would eliminate (someday) by having copyeditors or writers tag their work once at the point of inception and bake that stuff into the files that flowed downstream from there.

FORBES: Another Thing That Can't Arrive Fast Enough In Newsrooms: Algorithmic Layouts

We did achieve, after an ugly process, a significant step forward in terms of deficit reduction, and that will be implemented.

WHITEHOUSE: Press Briefing