<正> 由买方或经买卖双方协商在出口国对进口的设备器材或其他物资指定一家独立的公证行进行装船前或生产中的检验,是国际贸易中经常采用的一种做法。这样做的好处是: 一、比买方自己派人出国验收节省费用和人力。买方自己派人出国检查验收的费用往往比委托公证行检验的费用要高,而指定当地一家能代表自己利益的公证行检验,由于它们对当地情况比较了解,可以根据买方要求到装船港或生产现场检查,了解情况,反映买方要求,及时发现不符合要求的设备产品,及时采取补救措施。
Construction of metro tunnels in dense and crowded urban areas is faced with many risks, such as subsidence. The purpose of this paper was the prediction of sub
A combustion tube experiment platform was designed and used to study the inerting conditions and capacity of entrained atomized water on premixed methane–air f
<正> 在今年春交会商情小组取得经验的基础上,在秋交会期间,安徽省经贸系统组织了包括粮油、化工、纺织、土畜产公司及经贸厅调研处七人组成的调研小组,在省经贸厅秋交会代表团团长的直接领导下开展工作。行前,我们做了充分准备,根据今年的形势制定了调研计划,对市场、商品、交易会动态等,都有具体的调研安排;还特别强调了对体制改革的动态性调查,这对指导我省经贸体制改革有很大的参考作用。到会后,我们首先和经贸部国际贸易研究所及各有关总公司商情处取得了联系,争取上级对我们工作的指导和支持,并通过他们和部分省、
This study developed the equipment for thermo-fluid–solid coupling of methane-containing coal, and investigated the seepage character of loaded coal under diff
‘‘U" and ‘‘U+I" type ventilation experiments were performed on a three-dimensional fully mechanized caving face simulation experimental platform. The distri
Cooling energy needs,for mines in Northern Ontario,are mainly driven by the mining depth and its operation.Part I of this research focusses on the thermal energ
Firstly,the early warning index system of coal mine safety production was given from four aspects as personnel,environment,equipment and management.Then,improve
To solve the problem of lack of water in arid areas and barren soil in the process of ecological restoration,the growth and drought resistance of Sainfoin(Onobr
A considerable amount of tunnelling has been going on in India for various projects such as hydroelectric power, irrigation, roads and railways. Most of these p