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The producing mechanism of the preparation of caramel pigment by screw extrusion was analyzed.

该文对螺杆挤压法生产固体焦糖色素的机理进行了分析。

The preparation and stability of cellulose carbamate solution by dissolving cellulose carbamate -a new spinning cellulose were studied.

研究了制备纤维素纤维的新型原料——纤维素氨基甲酸酯溶液的制备工艺及其稳定性。

The preparation process and stability of cellulose carbamate solution —a new spinning cellulose were studied.

研究纤维素氨基甲酸酯溶液的制备工艺及其稳定性。

The preparation of carbide as well as its effects on the catalysis is also reviewed.

但由于这些文献都是用其母语报道的，因而没有引起广泛的关注。

Studies on preparation of ultra-micro spice powder of Daokou Carbonado flavor by freeze grinding technology;2. Studies on supercritical CO_2 extraction of spice blends of Daokou Carbonado flavor were carded out in this paper.

在 CO_2流速和分离压力恒定的条件下，通过单因素和正交试验探讨了萃取压力、萃取温度、萃取时间、分离温度四个参数对本公司开发的道口烧鸡风味复合辛香料进行超临界 CO_2萃取的影响，并确定了最佳提取工艺：萃取压力30MPa、萃取温度50℃、萃取时间120min、分离温度30℃、CO_2流速为20g/min，分离压力为10MPa。

The key reaction, carbonation, and its mechanism of the preparation of nanograde calcium carbonate are studied.

本论文对制备纳米碳酸钙的关键反应及其机理进行了研究。

The species and preparation methods of carbonic system pantograph strip materials are explained in detail.

重点阐述了炭系受电弓滑板材料的种类和制备方法。

The method of preparation activated carbons includes two steps: carbonization and activation.

活性炭的制备方法分为炭化和活化两个阶段。

Preparation, Structure and Property of Carbonyl Iron Composite

羰基铁复合粒子的制备、结构与性能

The preparation of two series of pH and temperaturesensitive hydrogels with different amounts of carbonyl group was described.

描述了含不同羧基量的两个系列的pH及温度敏感水凝胶的制备方法。所得的凝胶在37℃和pH1.4条件下不溶胀，而在37℃pH7.4条件下则溶胀。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。