| 1. | The development of the company was limited by the single source of materials
公司的发展受到原料来源单一的限制 |
| 2. | Resource and exploitation strategy of raw artifact stone materials at the shang dynasty daxinzhuang site , jinan
大辛庄商代石器原料来源和开发战略分析 |
| 3. | Natural aroma chemicals are high - value additional fine chemical products and food additives
摘要天然香料是高附加值的精细化工产品和食品添加剂，但原料来源有限且提取成本高。 |
| 4. | Because of the outstanding quality , high efficient , low cost , and the wide raw material sources , plasma jet surface metallurgy will has a potential in market competition
由于等离子束表面冶金技术具有突出的优质高效低成本综合优势，且涂层原料来源广，在市场竞争中具有潜力。 |
| 5. | Polyethylene waxes for hot melt adhesive : these waxes can be divided into three kinds with synthetic grade and crack grade and polyethylene wax by - product in accordance with material source
热熔胶用聚乙烯蜡系列：本系列产品依原料来源不同分为合成级、裂解级和聚乙烯副产品三个等级。 |
| 6. | Biodiesel is a renewable and clean fuel , its exploitation is influenced by the factors of raw material source , manufacturing technique , product standard , market price and police
摘要生物采油是一种可再生、环保型燃料，开发生产生物柴油受原料来源、生产技术、产品标准、市场价格和政策等诸多因素的影响。 |
| 7. | The application of hydroprocessing technology extends the source of fcc feedstocks ; deepens the extent of crude processing ; and improves the yields of light oil products , as well as reduces the enviromental pollution
原料加氢预处理的应用、拓宽了催化裂化原料来源，提高了原油加工深度和轻质油收率，减少了环境污染。 |
| 8. | A reliable supplier of high - quality synthetic peptide gl biochem shanghai ltd . is dedicated to provide high quality peptides for university , insititute , biotech company and pharmaceutical plant in the world
严谨的工作态度，优质的原料来源，丰富的合成经验，强大的生产与研发，预示着我们将会为客户提供最优良的合成服务。 |
| 9. | And the yield of concrete adds up to 4 . 5 billion cubic meters per year . conparing with other construction materials , concrete has many merits , for example , it is endurable , convenient , and so on
与其它常用建筑材料（如钢材、木材、塑料等）相比，水泥混凝土生产能耗低、原料来源广、工艺简便，因而生产成本低；它还具有耐久、防火、适应性强、应用方便等特点。 |
| 10. | Lca is a method on research about the effect of chemical products to the environment and how to reduce the effect . lca is a completely analysis of chemical product lifecycle from raw material to the product being used , and until the waste going into environment
生命周期评价（ lifecycleassessment , lca ）是对化工产品从原料来源开始直到产品经过使用，废弃物进入环境并消失的整个生命过程进行的全面分析。 |
