The most potent greenhouse gas is HFC-23, a by-product of HCFC-22, a chemical used in, among other things, fridges.
温室效应最强的其他十三氟甲烷(HFC - 23)，是用于冰箱制冷的化学物质HCFC - 22的副产品。
For instance, HFC-134a and a whole family of related chemicals could be dealt with by extending the Montreal protocol created to protect the ozone layer from similar industrial gases.
比如，HFC - 134a和全部与之相关的化学物都能够通过推动蒙特利尔协定书来处理掉，这个协定书用以保护臭氧层免受类似工业气体的污染。
It is also trialing a new, less damaging type of HFC gas (R407a) to replace existing HFC (R404a) gas in in-store fridges by 2012.
并且测试新的危害较小的HF C气体(R407a)，在2012年前将用其替换现在店铺所用冰箱使用的HF C气体(R404a)。
The gas at the centre of the controversy is HFC-23, a greenhouse gas which, on a weight-for-weight basis, is 14,800 times better at trapping heat than carbon dioxide.
出于争论中心的气体是HFC-23（三氯甲烷）。以重量交换来衡量，这种温室气体包围热量的能力是二氧化碳的14800倍。
The gas at the centre of the controversy is HFC-23, a greenhouse gas which, on a weight-for-weight basis, is 14, 800 times better at trapping heat than carbon dioxide.
出于争论中心的气体是HFC-23（三氯甲烷）。以重量交换来衡量，这种温室气体包围热量的能力是二氧化碳的14800倍。
The HFC (hydrofluorocarbon) refrigerant currently used in virtually every American model car and truck, HFC-134a, has a GWP of 1, 400 compared to the new refrigerant's (HFC-1234yf) GWP of just four.
事实上，目前几乎每辆美国汽车和卡车都采用了氢氯氟化碳（hydrofluorocarbon）制冷剂。 与全球变暖潜力值为1400的HFC-1234yf款相比，HFC-134a 款采用的新型制冷剂全球变暖潜力值仅有4分之差。
The same is not true for, say, HFC-134a, a gas with various industrial uses that delivers more than 1,000 times more warming than carbon dioxide, mass for mass.
像HFC-134a（化学名称为:1，1，1，2——四氟乙烷）之类的却非如此角色。这种各工业所使用的气体的排放物致使全球变暖的程度比起二氧化碳的要高出1000多倍，大量排出则造成大量污染。
This thesis introduced the implementation of the digital TV network application of a HFC based uplink access system, which provides the uplink channel for inter-active operation.
本文研究的基于HFC的上行接入系统应用于数字电视网络中，为交互式操作提供上行通道。
According to the blank of the present domestic VOIP technology application on HFC network, here gives a lot of corresponding research and the test in this article.
本文针对目前国内HF C网络上VOIP技术应用的空白，进行相应的研究和测试。
This paper presents a design of transparent bridge which can connect cable network and Ethernet in HFC network.
实现了一种在光纤同轴电缆混合接入（HFC）中连接电缆网络和以太网的透明网桥。
In this paper, we propose a HFC based comprehensive servicing solution that is applied in the computer data transmission, wireline television broadcasting and telephone communication.
本文以光纤电缆混合网络（HFC）为基础，提出了一种应用于计算机数据传输、有线电视广播及电话通信的综合服务方案。
This paper presents a HFC network management system solution based on HMS and SNMP protocols.
提出了一种基于HMS和SNMP协议的HF C网络管理的解决方案。
We designed a kind of data broadcast system based on HFC network without return paths.
我们针对缺乏回传通道的传统有线电视网络，设计了一个基于HFC的数据广播系统。
With the fast development of HFC broadband access and broadband IP network technology, modern CATV network is developing to a broadband integrated service network plant.
随着HFC宽带接入技术和宽带IP网络技术的飞速发展，现代有线电视网正不断向宽带综合业务网络平台演进。
From a general survey of relevant documents, it is easy to find that people pay close attention to research about having HFC network digital and digital TV service item.
但是纵观相关文献，不难发现，人们关注的热点更偏重于在已有HF C网络数字电视实现的研究和数字电视服务业务的研究。
The results show that the protective atmosphere of air containing 0.1% HFC-32 has a fairly good protective effect.
结果表明：含0.1%体积浓度的HFC-32保护气体可以较好地起到保护作用；
But practice shows that HFC does not always behave as a broadband network as we think.
但从技术实践来看，HFC表现出来的并不完全是宽带的特性。
Hydrofluorocarbon - HFC: a substitute for chlorofluorocarbons.
氢氯烃：一种氟氯烃的替代物。
Having referred to a lot of documents, the author analyzed the HFC network's frequency spectrum, topology and channel features.
论文作者查阅了大量文献，分析了HFC网络的频谱划分、拓扑结构、信道特点。
This paper is about a new method of dealing with HFC network upstream influx noise from using FDQAM modulation technology and three-layer configuration model.
提出了一种采用FDQAM调制技术和三层架构模型相结合解决HFC网络汇聚干扰的方法。
This paper describes the evolution process of a HFC network for accessing multi services by four stages.
分四个阶段讨论了利用HFC网络开展多业务接入的过程。
This article introduces the structure and frequency division of the HFC network, and gives a detailed analysis of the broadband access technology over the HFC.
文中介绍了HFC网络的结构和频谱分配，同时对HFC网络中的接入协议作了深入分析。
In order to resolve the problems of mass noise caused by up links in HFC net, it is the key that equipments should be operated in a high CNR value and that no distortion produced.
解决HFC网上行链路汇聚噪声问题的关键是使设备都工作在较高的CNR值而又不产生失真。
The MAC Directive (EC Directive 2006/40/EC) refers to the phasing out of HFC 134a in new vehicles from 2011 and a replacement gas with a maximum global warming potential (GWP) 150 will be introduced.
MAC指导说明（EC 指导说明2006/40/EC）是指自2011年起出产的新车中HFC134a要禁止使用，另一种气态制冷剂将其取而代之，它的最高全球变暖潜能（英文简称GWP）是150。
It is convenient and economical For HFO-1234yf if this refrigerant can substitute HFC-134a directly and in a way not to change MAC system.
我认为如果能直接替换hfc - 134a，不要更换空调系统，这是很方便和经济的。
It is convenient and economical For HFO-1234yf if this refrigerant can substitute HFC-134a directly and in a way not to change MAC system.
我认为如果能直接替换hfc - 134a，不要更换空调系统，这是很方便和经济的。
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