查询词典 two step

The reservoir-forming model of Huizhou Sag is almost two-step according to reservoir-forming stage, and there are single-source and two-source reservoir according to oil sources. There are three reservoir-forming models of abrupt slope type, apophysis type and gentle slope type according to structural form.

惠州凹陷的油气藏成藏模式，从成藏期次上分多为两期成藏，从油源上分有单油源和双油源两种成藏模式，构造形式上有陡坡型、隆起型和缓坡型成藏模式。

The results show that the optimal parameters of this technique are as time of 3 h, temperature of 150 ℃, ratio of liquor to solid of 1.21, H2SO4 additions of 25%, 85% material granularity of 0.095 mm. The one-step leaching percent of vanadium can reach 77%, the leaching percent obtain 90% after two-step countercurrent leaching. The vanadium leaching percent have growth and decline relation to occupation ratio of vanadium in in-soluble silicoaluminate mineral.

结果表明：该工艺的最佳工艺参数如下，即时间3 h、温度150 ℃、液固比1.21、硫酸用量25%、85%矿石粒度粒经小于0.095 mm；在此条件下，钒的一段浸出率为77%左右，而矿石经过两段逆流浸出后，钒浸出率可达90%；钒浸出率与矿石中难溶硅铝酸盐相中的钒占有率呈现消长关系。

The experimental method are established to determine the tortuosity factor. The SPSR method and the computer system are used to get the one-step origin quadrature and the two-step center quadrature. Parameter evaluation is also used to calculate the tortuosity factor.

本文建立了催化剂曲折因子的实验测定装置，用SPSR法，应用计算机采样系统，得到脉冲应答曲线的一阶原点矩和二阶中心矩，结合参数估计的方法，计算了XNC-98甲醇合成催化剂的曲折因子。

The three factors were data structure (partitioned versus unpartitioned), question form (single-step versus two-step) and problem content.

考察三个因素，第一个因素是数据结构，分为分割和不分割2个水平；第二个因素是提问形式，分为单步和双步2个水平；第三个因素是问题内容，分为疾病问题和作家问题2个水平。

Several methods applied widely for synthesizing uronic acid are introduced, such as methods of one-step process and two-step process.

分别就糖醛酸的几种常用合成方法进行了介绍，即直接将羟甲基氧化成羧基的一步法和先将羟甲基氧化成甲酰基、再氧化成羧基的两步法。

In order to utilize lignin effectively, base on the situation in China, the study was carried on systematically, centering around the topic of two step sulfomethylation of the soda lignin of wheat straw (the first step is methylolation, the second is sulfonation) and its application. The main purpose is to develop a heterogeneous catalytic system which not only catalyzes but also homogenizes the lignin molecule in the reaction.

为真正高效利用碱木素，木论文根据我国实情，紧紧围绕着麦草碱木素两步磺甲基化（第一步为羟甲基化，第二步为磺化）及其应用这一主题，以开发出在反应过程中既可催化反应又能使木素分子均一化的多相催化体系为主要目标，系统地展开了研究。

It is urgent to solve how to produce it efficiently and economically.In this paper, with the guidance of precision forming complex components, basing on the forming theory of obturated-extrusion, combining the technique of hot extrusion, considering the characteristics of steering knuckle, so the one-step precision obturated lateral-bend extrusion forming method and the two-step forming method are presented.

本文以复杂零件的精密成形为指导思想，根据闭塞挤压成形理论，结合热挤压技术，针对轿车转向节零件的自身特点，提出轿车转向节零件的闭塞侧弯挤压精密一步成形法和闭塞侧弯挤压精密预制坯与开式终锻相结合的两步成形法两种工艺。

The one-step reaction has fewer pipetting steps than the two-step reaction, significantly reducing the time needed

省时。与两步法相比液体转移步骤少，显著节省时间，消除液体转移引入的误差。

All synthetic methods of the μ-oxo-bismetallo- tetraphenylporphyrins are comprehensively discussed, involving the two-step method, the chromatographic column method, the one-step method, the auto-oxidation method and the one-pot method developed by our group.

重点介绍了μ-氧代四苯基双核金属卟啉的合成方法，即两步合成法、柱色谱分离法、一步合成法、自氧化法以及本课题组最新开发的一锅法。其中一步合成法和自氧化法由于具有适用范围广、收率高等优点，将成为μ-氧代四苯基双核金属卟啉的主要合成方法。

The effects of one-step and two-step cold rolling schedule on deep drawability and texture of ferritic stainless steel were investigated comparatively.

比较了一步冷轧和二步冷轧对铁素体不锈钢深冲性能和织构的影响。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷