常压

In recent years, the companies insist on the one hand and the deepening of enterprise reform with one hand and technology and the use of new technologies, the main products in the development of ammonium bicarbonate, liquid ammonia, the basis of SSP has developed a well-known trademarks of Jinzhong City,"Jin burning "brand 5 series more than 40 species of regulation of the entire cast iron cooking stove warming more, all cast iron hot water boiler, hot water boiler environment-friendly, such as atmospheric pressure and" Yu-tai "brand PJ80-style shoulder cannon fire, PJ120 rack gun fire, fire bombs first domestic product, artillery fire in Shanxi Province have been focused on new product year 99 projects in 2000 included the states key projects.

近年来，公司坚持一手抓深化企业改革，一手抓技术改造与新技术的运用，在发展主产品碳酸氢铵、液氨、过磷酸钙的基础上，先后开发了晋中市知名商标"晋燃"牌5大系列40余个品种的全铸铁调节炊暖多用炉、全铸铁热水锅炉、环保型常压热水锅炉等及"泰宇"牌PJ80肩负式灭火炮、PJ120支架式灭火炮、灭火弹等国内首创产品，灭火炮获山西省99年度重点新产品项目，列入2000年国家重点计划项目。

Will have a normal temperature and pressure can not be a large number of liquefied gas - methane to butane.

的过程中，会产生大量常温常压不能液化的气体——甲烷到丁烷。

Butane is a hydrocarbon that exists as a gas at room temperature and normal pressures.

丁烷作为一种碳氢化合物，在常温常压下的存在形式是气体。

Butylene catalytic cracking over ZSM-5, SAPO-11, and MCM-22 catalysts in a continuous flowing fixed bed reactor was investigated.

在常压连续固定床反应器上考察了ZSM-5、SAPO-11和MCM-22分子筛的1-丁烯催化裂解性能。

It uses two normal-pressure fluidized beds and makes the material circulate between the two beds, the fluidized bed boiler produces steam and the fluidized bed coal cracking furnace is used for pyrolyzing coal powder to produce meidum caloricity coal gas; the heat quantity needed for coal pyrolysis is provided by hot ash acted as heat carrier.

流化床煤气－蒸汽联产工艺及装置，它采用两个常压流化床，使物料在两床之间循环，流化床锅炉产生蒸汽，流化床煤裂解炉用来热解粉煤，产生中热值煤气；热灰作为热载体提供煤热解所需的热量。

Dihydroxybenzoic acid was prepared by carboxylation of resorcinol in solvent under under atmospheric pressure was studied.

研究了间苯二酚常压羧化法制备2，6-二羟基苯甲酸。

Basis on the charaters of chalcocite with high copper and low sulphur,the detail experiments was conducted for chalcocite concentrates from Brazil.

针对辉铜矿含铜高、含硫低等特点，采用巴西辉铜矿进行了详细的试验研究，开发了一种湿法冶金新工艺，采用常压、加压联合流程直接生产阴极铜，铜总浸出率大于99%，回收率大于98

The method of photocatalysis with TiO_2 catalyst is not only used in the filed of dealing with pollutants, but also has some potential in the field of chemosynthesis because it is usually employed at normal temperature and normal pressure for chemosynthesis without second pollutants.

以TiO_2为催化剂的光催化法不但已经应用于环境污染处理领域，而且也开始在化学合成领域逐渐显示潜力，这无疑会给化学工业带来新的憧憬，因为光催化合成通常在常温常压进行，易操作，一般不会产生二次污染。

First, a chlorinator was self-designed in this paper, and dichloride of 2-methyl-1-propene was synthesized by 2-methyl-1-propene reacted with chlorine fast in this reactor. By means of the Orthogonal Experiments design and single factor experiments, the influence of several reaction variables on the yield were examined and the optimum reaction conditions under the intervallic operation were obtained, the yield and selectivity of dichloride of 2-methyl-1-prop-ene were more than 65% and 80% respectively. Second, the preparation of 2-methylene-1, 3-propanediol, which dichloride of 2-methyl-1-propene reacted with alkali was investigated. By means of the Orthogonal Experiments design and single factor experiments, the influence of several reaction variables on the yield were examined and the optimum reaction conditions under the intervallic operation were obtained, the conversion of dichloride of 2-methyl-1-propene was 100%. Moreover the preparation of MPO, which 2-methylene-1, 3-propanediol reacted with hydrogen, in presence of Al_2O_3-Pd catalyst, was gotten, and the product was appraised.

本文在氯化反应过程中，自行设计制作出了氯化管式反应器，在该反应器中异丁烯和氯气迅速混合反应生成二氯异丁烯，根据该氯化反应特征利用正交试验和单因素试验考察了有关因素的影响并优化得到了最佳工艺条件，二氯异丁烯的总收率达65％以上，选择性达80％；接着，对二氯异丁烯进行水解反应制得了2-甲烯-1，3-丙二醇，讨论了相关因素对水解反应的影响，并通过正交试验和单因素试验得到了较佳工艺条件，二氯异丁烯的转化率达100％；同时还对制备的2-甲烯-1，3-丙二醇在常压下采用三氧化二铝负载钯催化剂催化加氢得目的产物MPO，并对产品进行了鉴定，从而打通了整个工艺路线。

M-Al2O3 catalyst for vapour-phase hydrogenation of citronellal to citronellol under normal pressure have been studied in a continuous flow and fixed-bed micro reactor.

采用连续流动微型固定床反应装置，研究了M催化剂对香茅醛在常压下气相加氢制香茅醇的反应。

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％。