Preparation of regenerated binding material using waste concrete

Binding material paste characteristics and porous concrete properties

胶结材特性与多孔混凝土性能的关系研究

Inorganic binding material stability gangue subgrade mixture properties research.

无机结合料稳定煤矸石路基混合料性能研究。

Research of Factors Influencing Strength of BMC Binding Material

影响BMC胶结料强度因素的研究

Evaluation of Fatigue Test of Asphalt Binding Material

评价沥青胶结料疲劳性能的试验方法

Research on the High-Strength and Water Resistant Mechanism of Gypsum Base New Binding Material

石膏基新型胶凝材料高强耐水机理的探讨

The Method for Determining the Treatment Depth of Roadbed Inorganic Binding Material

路基无机结合料处治深度的确定方法

The Technique of Producing Concrete With Composite Binding Material

复合胶凝材料配制混凝土技术

Advance in Study of Theory and Method for Analyzing Characteristics of Particle Group of Binding Material System

胶凝材料体系颗粒群特征分析理论与方法研究进展

Application and Research of the New Type Binding Material of Pipes Inside Heating Furnace

加热炉水管包扎新材料应用研究

Research of Binding Material Construction Craft of Pipes Inside Heating Furnace

步进式加热炉筋管包扎料施工工艺探讨

Research on Factors Affecting on The Hydraulic Gypsum Binding Material Performance

水硬性石膏胶凝材料性能影响因素研究

Condom sales, birth rates, transmitted disease and toys: The determinants of a sexy US city.

避孕套销量，生育率，性传播疾病和情趣玩具：则是美国“性感”城市的决定因素。

Experts say this was a result of falling birth rates among some groups and fewer immigrants because of the recession.

专家表示这是由于经济衰退，某些人群出生率降低，移民数量减少。

Milan is a fast-ageing city in the country with one of the lowest birth rates in Europe.

米兰是意大利老龄化最快的城市，也是欧洲出生率最低的城市之一。

S.New research published in Nature this week shows that birth rates in the most developed countries are rising again.

本周发表在《自然》（Nature）杂志上的一项新研究表明，在大多数的发达国家中，出生率正在上升。

Germany is facing a crisis as low birth rates combine with a growing population of citizens who are living longer.

德国目前正面临着低人口出生率和人口老龄化的危机。

Birth rates rose to 102 per thousand in 1946, 106.2 in 1950, and 118 in 1955.

1946年出生率上升到102%，1950年达106%，1955年达118%。

Recession has affected the marriage and birth rates of native-born citizens, too.

经济衰退也同样影响到了本土公民的结婚率及出生率。

Preterm birth rates in the United States have increased thirty-six percent in the last twenty-five years.

在过去的25年，美国的早产率增加了36%。

Birth rates can rise ( as they just have in Japan for the first time in years) as well as fall.

出生率既可能上升（正如日本多年来首次出现的情况），也可能下降。