Can be constructed under 20 degrees sub - zero temperature in winter and the high temperature of summer conditions , is widely used for decorating and protecting the internal and external wall , also can be used for metal s external coating 能在冬季零下20度和夏季高温下施工,广泛用于内外墙的装饰和保护,也可用于金属表面的涂装。
January and february are cloudier , with occasional cold fronts followed by dry northerly winds . temperatures can drop below 10 degrees celsius in urban areas but sub - zero temperatures and frost usually occur on high ground and in the new territories 一月和二月云量较多,但偶尔有冷锋过境,带来乾燥的北风,市区气温有时会降至摄氏10度以下。新界和高地的气温,有时更会降至摄氏零度以下,并有结霜现象。
Located 3 km below the ocean ' s surface and 120 km offshore , the deposit is beyond the reach of humans and all of the construction has to be completed by robots working against strong underwater currents , sub - zero temperatures and extreme wind and wave conditions 这座天然气田位于海底三公里处,离挪威陆地有一百二十公里远;光靠人力很难成事,因此埋设管线的工作只好交给机器人,由它们来对抗海流、酷寒、强风与大浪。
The exact expression is n = 4 " , in which n is the stage of koch curve . since we only consider one generator in computation process , so we simplify it as n = 4 ) . the critical point of this kind of koch curve is zero , also called zero temperature phase transition , and this is the character of all the limited branching systems 无分支科赫曲线是一种典型的分形,前人的研究都局限于n = 4 ( n是用线元,面元,或体元覆盖分形系统所需要的覆盖次数,确切的应该写成n = 4 ~ n ,其中n为科赫曲线的级,但我们在重整化群计算时只考虑一个生成元,所以简化为n = 4 )情况,这种科赫曲线的相变点为零,是一种零温相变,这也是有限分岔系统的相变特征。
There has been many papers to discuss the in - medium quark and gluon condensates in nuclear matter which use the models with su ( 2 ) l su ( 2 ) r sym - metry . now , we make use of the chiral model su ( 3 ) l su ( 3 ) n including the baryon octet to discuss the quark condensate < qq > in strange matter , where q is an up or down quark field . on the one hand , from the experimetal data , it is found that < qq > vac = - ( 225 25mev ) 3 , on the other hand , with the hellmann - feynman theorem , quark condensate can be evaluated on the hadronic level . in this paper , we will investigate the quark condensate in strange matter with the chiral symmetry su ( 3 ) l x su ( 3 ) rspontaneous breaking lagrangian to obtain the variation of the quark condensate in the strange matter when the baryon number change . it can be applied to understand the neutron stars when the neutron star are considered to be constructed by the strange matter . because nertron stars are homogeneous and at very low temperature , we will use the mean - field approximation and zero temperature throughout this paper 鉴于已有大量文献讨论了核物质中的夸克凝聚,本文将讨论在奇异物质中的夸克凝聚。而在介质中的夸克凝聚的基本公式可由hellmann - feynman理论导出,所以运用手征对称自发破缺拉氏量以及平均场近似,我们就可以讨论在奇异物质中的夸克凝聚,由所计算的结果表明: ( 1 )奇异物质中的夸克凝聚随奇异物质密度的增大而单调减小。 ( 2 ) -凝聚的出现对衰减率有影响。
zero temperatureとは意味:ゼロ温度{おんど} zero temperature meaning:[Electronics] 1. The point from which temperatures are reckoned on a thermometer scale. On the Celsius (centigrade) scale, zero degrees corresponds to the freezing point of pure water at standard atmo...zero temperature перевод:нулевая температура