These days China produces most of the world's HFC-23.
现如今中国生产了世界上大部分的HFC - 23。
Most of the world's factories that produce HFC are in China.
全球多数产生氢氟烃的工厂都在中国。
Hydrofluorocarbon - HFC: a substitute for chlorofluorocarbons.
氢氯烃：一种氟氯烃的替代物。
HFC broadband access network is an effective solution to the problem.
HF C宽带接入网是解决这一问题的有效途径。
Upstream communication is the key in the construction of HFC access network.
HFC上行通信是构建宽带HFC接入网的关键。
The very cheapness of cutting emissions of HFC-23 makes the trade controversial.
减排HFC-23非常廉价，使得这个交易备受争议。
Ingress noise has great proportion in sorts of noise on upstream channel in HFC.
在HF C网络回传通路各类噪声中，输入噪声占有相当大的比重。
HFC network data transaction accounting system solved these problems successfully.
HF C网络计费系统成功地解决了上述问题。
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。
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。
Based on new HFC Network, this thesis is to design and realize gatekeeper software of IP telephone.
本文研究的是基于新型HFC网络的IP电话关守软件的设计和实现。
Hydraulic fluid power. Fluids. Measurement of filtrability of HFC and HFD class fire resistant fluids.
液压流体动力。流体。HFC和HF d类防火流体的可过滤性测量。
The network management system of HFC is introduced, and the shortage of this technology is pointed out.
介绍HF C网络管理系统的组成，指出这项技术应用的局限性。
Factories have found that their damaging by-product, HFC-23, can be more valuable than their main output.
工厂发现他们的有害副产品HFC - 23还比主要产品更值钱。
Then discusses the interactive operation through the CATV networks, especially the HFC access technology.
接着讨论了有线电视网上的交互业务，尤其是HFC接入技术。
On the basis of analyzing HFC and EPON, the method of digital television transmission over EPON is proposed.
在分析HFC与EPON有关性质的基础上，提出基于EPON的数字电视传输方法。
This paper introduces structure, character, main design and method of adjustment of CATV two-way HFC network.
系统介绍有线电视双向HF C网络的结构、特点、设计要点与调整方法。
This paper introduces the oil solubility behaviours of several currently available HFC substitute refrigerants.
介绍了目前可行的几种HFC替代制冷剂的溶油特性。
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。
But there is little incentive for approved incineration schemes to reduce the amount of HFC-23 that they produce.
但是对于批准焚化方案以减少HFC - 23的产生数量，得到的鼓励并不多。
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。
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)。
This pager introduces simply the interrelation between analog modulation signal and digital modulation signal on HFC networks recently.
简要叙述现阶段HFC网络中模拟调制信号与数字调制信号的相互影响。
The number of new projects targeting HFC emissions is falling as developers run out of factories in which to install the cleaning equipment.
针对氢氟烃排放的新项目数量正在减少，因为可供安装清洁设备的工厂已所剩无几。
This paper introduces the functions, composition of the intelligent plot, and then discusses its implementation in CATV bidirectional HFC network.
介绍智能化小区系统的功能、组成，以及智能化小区在有线电视双向HF C网络中的具体实现。
Network configuration, spectrum allocation, two-way communication, protocol at lower layer and network management for HFC are analysed and studied.
文中对这种网络的网络结构、频谱划分、双向通信、低层协议以及网络管理进行了分析研究。
CMTS system is one of the key devices in HFC network, it can make CATV users access broad-band network and enjoy the interactive integrated service.
CMTS系统是HFC网络中的关键设备之一，它能够使有线电视用户实现宽带接入并享受交互式综合业务服务。
The improvement field emission by Hf coating on CNTs surface is attributed to the low work function, chemical inertness and good conductivity of HfC.
我们认为碳纳米管表面发射性能的提高归功于表面碳化铪膜良好的导电性、化学惰性和低逸出功。
Introduced the application of low optical power receiver to HFC network. Signal testing and economical benefit analyzing were presented at the same time.
介绍低光功率接收机在有线电视HF C网络中的应用，并对信号指标进行测试和比较，对经济效益进行分析。
Meanwhile, Matt Poese and colleagues at Pennsylvania State University in University Park are developing an HFC-free air conditioning system based on sound.
同时宾夕法尼亚州州立大学帕克学院麦特珀斯正和同事们开发一种基于声音的无氟空调系统。
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