常压

The carbonylation of allyl bromide and hydrogenation of 1-octene were carried out under atmospheric pressure and at 40℃.

研究了它们在烯丙基溴的常压羰基化反应和1-辛烯的常压加氢反应中的催化性能。

Methods: To observe the protective effects of EAB extraction on anoxia model in normal mice.

对小鼠常压耐缺氧作用的实验研究，以观察鬼箭羽提取物对小鼠常压下抗耐缺氧的能力。

As a result, atmospheric decomposition of natural gas hydrate under different temperatures (from -5 ℃ to -25 ℃) is studied through forming natural gas hydrate by using the solution of 300 mg/L sodium codicil sulfate and hydrate reactor with the compaction function is designed and made in which atmospheric decomposition under different temperatures （-10 ℃,-15 ℃ and -20 ℃） is studied after compacted at 10 MPa.

为此，用300 mg/L的十二烷基硫酸钠溶液生成天然气水合物，试验研究天然气水合物在不同温度（-5~-25 ℃）下的常压分解；设计制造了带压实功能的水合物反应釜，试验研究用10 MPa压力对水合物进行压实后在不同温度（-10 ℃、-15 ℃和-20 ℃）下的常压分解。

These methods include hydrogenation in high-pressure,reduction by hydroborates and reduction by dithionite. This article studied these methods, especially optimized the technology of hydrogenation in normal pressure and reduction by hydroborates.

研究了常压氢化法、加压氢化法、硼氢化物还原法及连二亚硫酸钠还原法等制备四氢叶酸，并优化了常压氢化法、硼氢化物还原法的工艺条件。

To prepare THFA from folic acid , catalytic hydrogenation and high-pressure hydrogenation, reduction by borohydride and reduction by dithionite were investigated. Especially, the technology of catalytic hydrogenation and reduction by borohydride were optimized.

本文研究了常压氢化法、加压氢化法、硼氢化物还原法及连二亚硫酸钠还原法制备四氢叶酸，并优化了常压氢化法、硼氢化物还原法的工艺条件。

In order to optimize the parameters of dielectric barrier-discharge plasmas, the emission spectrum of second transition line of oxygen and nitrogen under normal temperature and pressure was measured with a grating spectrometer.

为了对绝缘阻挡放电等离子体进行参数优化，以常压DBD等离子体为研究对象，在常温常压下使用可见光光栅光谱仪对等离子体发光光谱进行了诊断，得到了N2和O2的第二正带跃迁谱线。

The sensitiveness of simulationis also studies in this paper.It shows that overall evulsion ration increases when theoverhead of early-distillation tower and atmospheric distillation increase. Increase ofvapor of atmospheric tower and sidetrack vapor extraction an also leads to rise ofoverall evulsion ration .

本文还对模拟计算灵敏度进行了分析，考察了塔顶馏出物及汽提蒸气量对拔出率的影响，结果表明拔出率随着初馏塔和常压塔塔顶馏出物的增加而增加，随常压塔蒸气量和侧线汽提量的增加而增加。

The hydrothermal behavior of various types of alumina was investigated by means of XRD,which were derived from calcination of gibbsite,bayerite and nordstrandite at temperatures below 1000℃ and normal pressures or in vacuo.

用XRD方法研究了α－三水铝石在常压及真空中1000℃以下的脱水产物和湃铝石／诺水铝石在常压1000℃以下的脱水产物，经170℃水热处理和自身压力条件下的晶相变化。

The author has studied the kinetics of hydrogenation of a,β-unsaturated aldehydes andketones such as cinnamaldehyde and 2-butylene cyclopentanone,β-ionone over amorphousalloy NiB catalyst at atmospheric pressure of H2 as well as effects of reaction conditions onthe kinetics.

作者以肉桂醛和2-亚丁基环戊酮、β-紫罗兰酮为代表重点研究了非晶态NiB催化α，β-不饱和醛酮常压下选择加氢的反应动力学。常压下该反应是准一级反应。

Analysis of the feature and geometry of the normal compaction trend is used to establish the compaction trend with polynomial of degree 2 or 3 or polygonal line, and to predict the distribution of geopressure using the method of seismic transit time deviation -pore pressure gradient in Yinggehai bas.

研究了压力预测的方法，推导地震声波时差差值—压力梯度法的计算公式并指出它的优点是能够充分利用已知的钻井实测压力资料；从理论上分析了正常压实趋势线的性质和形态，并用2~3次多项式和分段函数建立正常压实趋势线；根据莺歌海盆地高温高压及沉积速率高、泥底辟发育的特征，建立合理的压实趋势线，并用声波时差差值—压力梯度法预测了莺歌海盆地的压力分布。

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％。