They've developed these sensors that can detect tiny amounts of ethylene.
他们已经开发了这些传感器，可以检测到微量的乙烯。
Auxin also causes the plant to develop a vascular system, to form lateral roots, and to produce ethylene.
生长素还能使植物形成维管系统，形成侧根，并产生乙烯。
Reaction of the isocyanic acid (HNCO) and isothiocyanic acid (HNCS) with ethylene radical is studied.
研究了异氰酸及异硫氰酸与乙烯自由基之间发生的反应。
Vodka stunts ethylene production, thereby helping flowers stay wilt-free longer.
伏特加可以抑制乙烯的产生，以此让鲜花的枯萎时间延后。
Polymers of ethylene, in primary forms.
初级形状的乙烯聚合物。
Fruits that release a lot of ethylene also include apricots, melons and tomatoes.
大量释放乙烯的水果还包括杏子、瓜果和番茄。
Naphtha is the feedstock for both ethylene production and catalytic reforming.
石脑油既是裂解制乙烯的原料，也是重整制备芳烃的原料。
Apples give off a natural gas called ethylene that can wilt, spot, or rot other food.
苹果散发出的天然气体被称为乙烯，这可以使其他的食物枯萎，出现黑斑或腐烂。
For example, when fruits start to ripen, they release a chemical called ethylene.
比如，水果在成熟时会释放出一种叫乙烯的物质。
The trouble is that the ethane route to making ethylene produces virtually no propylene.
问题在于这种用乙烷制作乙烯的生产流程几乎不会伴有丙烯产生。
Apples, for example, release ethylene gas, a plant hormone. It can cause other foods to ripen too quickly.
例如，苹果释放乙烯气体——一种植物激素，会引起其它食品过早成熟而腐烂。
PET is made from two feedstocks, one of them an organic acid, the other ethylene glycol, which is relatively inexpensive.
PET由两种原料制成，一种是有机酸，另一种是相对便宜的乙二醇。
Samples from Delphic spring water and rock from the intersecting faults revealed traces of several chemicals including ethylene.
特尔斐泉水的样本以及断层裂缝岩石的样本中提炼出几种化学物质，其中包括乙烯。
Pyrolysis of ethane and propane will liberate ethylene, a valuable and basic material for the synthesis of organic chemicals.
乙烷、丙烷是裂解制乙烯的原料，后者是有机合成的基本原料。
The calculation results show that the model can well predict gas hydrate formation conditions in aqueous solutions of ethylene glycol.
计算结果表明该模型可较好地预测含抑制剂(乙二醇)体系的水合物形成条件。
Cold insulation technology is one of the important energy-saving technology for petrochemical enterprises, especially ethylene industry.
低温保冷技术是石油化工企业特别是乙烯行业的重要节能技术之一。
A decade ago most ethylene in North America was made using naphtha, an oil derivative: it is this process that has propylene as its by-product.
十年前，北美的大多数乙烯是石油脑(一种石油衍生物)所制：其生产过程所产生的副产物正是丙烯。
4-dioxane is a byproduct of a chemical processing technique called ethoxylation, in which cosmetic ingredients are processed with ethylene oxide.
4 -二恶烷是一个叫做乙氧基化的化学加工过程的副产品，在这个过程中，化妆品原料和环氧乙烷一起进行处理。
Polypropylene is derived from propylene, which is in turn a by-product of a specific way of producing ethylene, a particularly useful hydrocarbon.
聚丙烯来自丙烯，而丙烯又是生产乙烯（一种特殊用途的碳氢化合物）所使用特殊工艺的副产物。
The article provides an introduction to the technology of separating ethylene from dry gas and the approach of comprehensive use of dry gas.
综述了干气的乙烯提浓技术和干气综合利用途径。
The accuracy, repeatability, and stability of this method are all appropriate to the intermediate control analysis in the ethylene production.
此法的准确性、重复性和稳定性均良好，适合于乙烯生产的中间控制分析。
The ethylene cracking furnace was the core unit, and the thermal cracking process was one of the most important technologies of the ethylene industry.
乙烯裂解炉是乙烯装置的核心设备，而乙烯裂解技术是整个乙烯工业的关键技术之一。
The scientists in Bonn have solved this mystery: differences in ripeness are often invisible, but can be detected acoustically in the form of ethylene.
波恩的科学家已经解开了这个谜底：肉眼往往区分不出水果的成熟度，但通过水果释放出的乙烯，从声学角度探测，就能做到这一点。
The scientists in Bonn have solved this mystery: differences in ripeness are often invisible, but can be detected acoustically in the form of ethylene.
波恩的科学家已经解开了这个谜底：肉眼往往区分不出水果的成熟度，但通过水果释放出的乙烯，从声学角度探测，就能做到这一点。
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