This paper introduces the basal theory of water demand side-management. Founding on the view of sustainable development, this paper comes up with a series of countermeasures to sustainable utilization of water resources.

Changes in biomass increment, plant height, and basal diameter with water gradient reflected the slow-growing attributes of the seedlings.

生物量、株高和基茎增量的变化反映了沙地柏生长的缓慢性。

Taking HB braided river massive reservoir with strong basal ground water as an example, the paper discusses the deliverability decreasing methods of similar reservoirs and develops the curves.

以HB辫状河强底水块状油藏为例，探讨了同类油藏特征下产能递减规律，建立此类油藏产能递减典型曲线。

Low temperature, high porosity and permeability, strong alkali sensitivity, loose limestone, circulation loss and basal water abundance are the formation characteristics of shallow reservoir in Taobao viscous oil area.

套保稠油区块油藏埋深浅，油层温度低、孔隙度和渗透性高、碱敏性强、岩性疏松、底水丰富，且存在漏层。

Two methods, i.e.integrated factor method and correlativity method for recognizinghydrochemical features of basal water and water gush source are introduced in this paper.

本文论述了识别主要含水层水化学特征和突水水源的二种方法，即综合要素法和灰色关联度法。

The results show that the effective factors include the formation pressure, the energy of basal water, the pressure sensitivity and etc.

结果表明，影响采出程度的因素包括地层压力、底水能量和应力敏感等。

Share of reservoir with basal water in the reservoir is large, and reserve volume is rich.

底水油藏在我国油藏中所占比例较大，储量丰富。

The control of barium sulfate grains sizes and their distribution during the production of baryta paper is an important technique for controlling the product quality.

硫酸钡颗粒大小及其分布的控制是钡地纸生产工艺中的一项重要质量控制技术。

Effect of barium sulfate preparation technology on baryta paper quality

硫酸钡制备工艺对钡地纸质量的影响

The appearance and the widespread application of the bill of lading, impelled the international trade from the barter to the single card transaction development, simplified the transaction procedure, reduced the transaction risk, and gradually become the modern international trade system cornerstone.

提单的产生和广泛应用，推动了国际贸易从实物交易向单证交易发展，简化了交易程序，减少了交易风险，逐步成为了现代国际贸易体制的基石。

It uses a third party a trade exchange company to help carry out the barter deal.

它需要利用第三方，即交易互换公司，来完成易货买卖。

That there are protests worldwide and increasing use of the barter system should be no surprise.

世界范围的抗议和物物交换系统越来越多地被使用也就在情理之中。

This is not a primitive barter system.

这不是一个原始的交换系统。

The barter system, where things of value are being exchanged, will replace this.

根据物品价值来交易的物物交换系统，将取代这些。

Also, the clinic uses a barter system.

此外，诊所还采用了易货体系。

I love the old barter system, it's high time to bring it back.

我喜欢旧的易货制度，现在是非常适合的时候把他们带回来了！

The institution of a high level global barter system might soon take root.

世界的以物易物的交易体系和制度正在扎根。

The rapid development of internet has provided the information a new sharing and payment transaction platform for the traditional barter trade, enhanced the tradition barter transaction feasibility greatly.

互联网技术的迅猛发展，为传统的易货贸易提供了信息共享和支付交易的新平台，大大提高了传统易货交易的可操作性。

After centuries, the bill of lading have promoted the development of international trade, and made it from barter transactions to document transaction.

经过几个世纪的发展，提单推动了国际贸易的发展，使国际贸易从实物交易发展到了单证交易。

It plays an important role in the process of international trade from barter to documentary transaction.

它在国际货物买卖、结算、运输等环节发挥着举足轻重的作。国际贸易从早期的实物交易发展到单证交易的过程中，提单功不可没。

Therefore create an on-line barter trade transaction system have a very vital practical significance.

因此实现易货贸易的网上交易模式具有非常重要的现实意义。