制浆

However, it restricts the development of pulp and paper industry, and leads to environmental pollution.

然而它的存在却制约了制浆造纸工业的发展，导致环境污染。

This paper mainly introduced mechanism of Silviscan, and its application in the forestry and pulp and paper industry.

文章主要介绍了silviscan的发展历程及其测量原理，以及在林业及制浆造纸工业中的应用。

Pulp and Paper in the process of wastewater are produced in many craft areas.

制浆造纸过程中的许多工艺环节都有废水产生。

We are professional pulping equipment, papermaking equipment manufacturers.

我们是专业的制浆设备，造纸设备的制造商。

Assume the land could be used for grazing, even-aged pulpwood, or even-aged saw timber production.

假设土地可以用于牧业，中材林用于制浆造纸，或者木材制作。

Not only had it theoretical meanings to enrich contents of the long-term-site productivity study, to promote the development of related disciplines. But also it had practical significance to raise the pulp plantation productivity, to ensure the pulpwood sustainable production, to guarantee our country pulp and paper industry security.

开展速生纸浆林长期立地生产力维持理论及关键技术的研究，不仅丰富我国森林长期立地生产力研究的内容，促进相关学科的发展，具有一定的理论意义，而且对提高我国纸浆林生产力，确保我国纸浆原料的可持续生产，保障我国制浆、造纸工业的产业安全具有十分重要的实践意义。

Mangium is of the greatest average vessel length, which are 1179.6μm and 333.1μm respectively. Fiber morphology of all four Acacia species is in accord with the requirement on pulping and papermaking so the 4 Acacia timbers can be used for pulpwood.

结果表明，厚荚相思的纤维平均长度最大为1179.6μm，而马占相思的导管平均长度333.1μm为最大。4种相思木材的纤维微观形态可以满足制浆造纸的要求，可以作为纸浆材使用。

Kraft process: Chemical method for producing wood pulp using caustic soda and sodium sulfide as the liquor in which the pulpwood is cooked to loosen the fibres.

硫酸盐制浆法：生产木浆的一种化学方法，用苛性钠和硫酸钠作为溶液，把纸浆原料放在里面煮，使其纤维松释。

In main traits were studied on the basis of the 12-year-old data of provenance tests at 7 test locations and the 11-year-old data of plus progenies at 2 test locations, and the index and strategy in different variation levels on selection breeding for pulpwood in masson pine was also discussed.

摘 要：以7个试验点12年生马尾松种源试验林及2个试验点11年生优树子代测定林为基础材料，在研究马尾松主要性状不同层次遗传变异的基础上，对马尾松制浆造纸材良种选育目标及在不同变异层次的选择策略进行了探讨。

However, its presence in plants has negative effects on pulp and paper industry, ramie textile industry and stockbreeding.

然而，它的存在也给制浆造纸工业，苎麻纺织工业及畜牧业生产带来负面影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。