合成

It is first found that there is an important difference in order-disorder of crystalline structure between the artificial pitchblende and natural pitchblende. Unlike natural pitchblende in which uraninite nanocrystals arrange in order, the artificial pitchblende only contains disorderly uraninite nanocrystals.

在国内、外首次发现此类人工合成沥青铀矿和天然沥青铀矿在晶体结构的有序—无序上存在重大差异：天然沥青铀矿中的纳米级晶质铀矿为有序排列，而人工合成沥青铀矿中的纳米级晶质铀矿则为无序排列。

This paper summarizes the development of proplastid, lay stress on the synthesis relativity between plastid and lipid.

阐述了能源植物前质体的发育，着重介绍了质体与脂类合成相关性等方面的研究进展，探讨了生物质能源合成的产业化策略。

In particular, although there has been some success demonstrating that 'activated' ribonucleotides can polymerize to form RNA6, 7, it is far from obvious how such ribonucleotides could have formed from their constituent parts.

实验模型表明，从40亿年前就已在地球上存在的简单化学物质中形成RNA的所有成分是完全可能的，他们已合成了RNA的三个组成部分中的两个，并首次成功合成出一种类RNA。

As we know, Al-Beta synthesized in a common system free of Ge is usually composed of polymorph A and B, while polymorph C was hard to form in such a synthesis system.

我们知道，铝-β合成在一个共同的系统通常是免费葛晶型A和B组成，而变形C是很难形成这样的合成系统。

XF-S3011 in QFP (44PIN) packaging is the speech systemization chip with the smallest size on market.It supports the adjustment of contents and volume, polyphone identification and chord application. Furthermore, under the embedded environment, additional special functional ports make the products more competitive.

XF-S3011采用QFP(44PIN)的封装形式，是目前市场中体积最小的语音合成芯片，它支持软件调整语调以及音量，并支持多音字识别功能及和弦铃声调用，众多特殊的功能接口使得该芯片在低端的嵌入式应用环境中仍可以达到出色的合成效果。

X molecular sieve was synthesized from potash feldspar ores by baking and hydrothermal synthesizing procedures.

以钾长石为主要原料，经焙烧和水热合成工艺，合成了13X分子筛粉。

After extensive experimental studies,the optimum baking conditions were determined as follow:the molar ratios of potash feldspar powder and soda is 1.30,the baking temperature is 845℃,and baking time is 150 min.The optimum hyd...

对合成样品化学成分分析、X射线物相分析、红外光谱分析、扫描电镜分析表明，合成13X沸石分子筛结晶完好，性能优良，水热反应经由溶解水合反应和聚合浓缩反应两大阶段。

The synthesis of potash fertilizer from desiliconization slag and potassium carbonate,and the dissolution rate of potassium from potash fertilizer different conditions were studied.

以铁水脱硅渣和碳酸钾为原料合成钾肥，利用X射线衍射对钾肥试样的结晶性能进行了分析，并在水和柠檬酸溶液中分别测定了合成钾肥中钾元素的溶出率。

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Pillared montmorillonite, as a representative of Sandwich like pillared interlayered clays ,caught many scientist"s attention not only because of its special structure of two-dimensional sheets but also its excellent activity of catalysis and adsorption. It is well documented that the method to prepare PILM, ion-exchanging, needed a long periods and was affected by many factors, and that the product had low thermal stability especially hydro-thermal stability which was the primary obstruction of its using in large-scale production. At the same time, PILM was well documented prepared with Na-montmorillonite, while there were a few documents about PILM prepared with Ca-montmorillonite. The large cost of remodel of Ca-montmorillonite to Na-montmorillonite was another obstacle of the application of PILM, while Ca-montmorillonite was widely distributed in nature, as a result, to prepare PILM with Ca-montmorillonite has practical significance. What"s more, PILM was mainly studied as a catalyst in oil refining process till now, but rarely documented in other catalysis reactions, especially in coal liquification filed which also needed high activity catalyst.

以柱撑蒙脱石为代表的具有"三明治"结构的柱撑粘土矿物因其特殊的二维孔道结构和优良的催化和吸附性能近年来成为国内外广泛关注和研究的热点，但是目前国内外大量报道的PILM制备大多采用离子交换法，生产周期很长，影响因素很多，并且产物热稳定性不够高，特别是水热稳定性较差，这是其不能在实际中大规模生产和应用的主要障碍，因此制备一种高稳定性的PILM意义非常；文献中大量报道的都是钠基蒙脱石合成的柱撑粘土矿物，传统的离子交换法必须将钙基蒙脱石钠化改型，其成本相当高，而自然界中大量存在的却是钙基蒙脱石，直接用钙基蒙脱石合成柱撑粘土矿物有很现实的意义，但目前这方面的报道却很少见；另外，迄今为止，PILM作为催化剂的研究领域主要在石油的炼制中应用，而在煤炭的液化中却鲜有报道，如果能在煤炭转化领域应用这一成果，其影响也将是相当大的。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失