Acetylene is a fuel gas in application to industrial gas widely. But acetylene production has higher energy consumption and calcium carbide is an important raw material of synthetic chemicals, so liquefied petroleum gas is a good substitute for acetylene when welding.

Self fluxing iron base alloys containing rare earths have been prepared. The self fluxing performance of these alloys in oxygen acetylene flame spray welding has been observed in detail.

制备了含稀土的铁基自熔合金并考察了这种自熔合金在氧－乙炔火焰喷焊过程中的自熔性。

The oxygen& acetylene flame spray welding technology is applied to strengthen the surface of the rotor blade of the adjustable rotor blade axial flow fans for raising its wear resistance.

采用火焰喷焊技术对动叶可调轴流式风机动叶片进行表面强化，可以显著提高其耐磨性。

Oxygen acetylene flame spray welding technique was selected to use for the strengthening treatment.

对比分析了各种表面强化技术特点，确定氧乙炔火焰喷焊技术是强化滑块表面较为合理的方法。

The running tests of the alloy coatings on the blade of hydraulic turbine produced using oxy-acetylene spray welding procedure manifested that the average service life of many different hydraulic turbine obtained a lot improvement after spray welding.

应用氧乙炔喷焊工艺在水轮机叶片上制备合金涂层，经过数台机组多年的实际运行，表明该材料抗磨蚀性能优异，喷焊后的水轮机叶片的平均使用寿命得到大幅度提高。

Transition Metal Palladium-catalyzed Carbonylation of Acetylenes

过渡金属钯催化的炔烃羰基化反应新进展

Synthesis and Characterization of Azobenzene Substituted Acetylenes

偶氮苯取代乙炔功能化合物的合成与表征

Removal of acetylenes via selective hydrogenation of butadiene-rich C_4 fraction on copper-based catalysts

在铜基催化剂上富丁二烯C4馏份选择加氢除炔

An improved method for the palladium catalyzed carbonylation of terminal acetylenes using supercritical carbon dioxide as the reaction medium has been developed.

研究了以超临界二氧化碳为反应介质实现改善钯催化炔烃羰基化反应绿色性的方法。

Palladium catalyst for partial hydrogenation of acetylenes

局部氢化炔键的钯催化剂

Palladium-Catalyzed Carbonylation of Terminal Acetylenes in Supercritical Carbon Dioxide

超临界二氧化碳介质中钯催化末端炔烃羰基化反应的影响因素

Gas chromatographic analysis of the higher acetylenes in dimethyl formamide

二甲基甲酰胺中高乙炔的气相色谱分析

A Novel and Efficient Oligomerization of Acetylenes Catalyzed by Palladium Complex

新型高效钯催化下不同取代炔烃的低聚反应

Studies on the Transition Metal Catalyzed Cyclization and Addition Reaction of Acetylenes

过渡金属催化炔烃的环化及加成反应研究

Effects of Acetylic Salicylic Acid on Carbohydrate Content in the Different Tissues of Tomato Fruit

乙酰水杨酸对番茄果实内各部位糖分含量的影响

Influence of Acetylic Salicylic Acid on Tomato Fruit Quality and Yield

乙酰水杨酸对番茄果实品质与产量的影响

The Effects of Low dose Acetylsalicylic Acid on Prostaglandins and Lipid Peroxides in Experimental Atherosclerosis

小剂量乙酰水杨酸对实验性动脉粥样硬化形成过程中前列腺素系统和过氧化脂质的影响

Effect of Dextrin on Determination for Acetylsalicylic Acid Enteric-coated Tablets

糊精对乙酰水杨酸肠溶片含量测定的影响

The focus of what place simulation might gain in learning for the Chinese is right in sync with the current philosophy of the ACGME, ASA and ABA with residency education and MOCA in the US.

模拟教学在中国医生学习过程中可能所获得的地位正是和目前在美国毕业后医学教育认证委员会，美国麻醉学会和美国麻醉委员会在住院医生培训以及麻醉医生资格证书维护中的理念是呼应的。

ADI is a potential cancer therapy agent for the treatment of arginine-auxotrophic tumors ( such as hepatocellular carcinomas and melanomas), and it widely exists in bacteria, achaea and some anaerobic eukarya.

ADI广泛存在于细菌、古细菌、厌氧真核生物中，它是一种治疗精氨酸缺陷型肿瘤（如肝细胞癌、黑素瘤）的药物。

We have references in his his letters to churches in Achaea, like Corinth.

我们有他致亚该亚教会的信，像科林斯城。