稀的

The roads were narrow and there were few people. There were many cactuses with thorns, thatched huts and weeds everywhere. The coconut trees were disorderly. It's difficult to compare with modern beautiful Sanya. But it's my mother's true feelings of just coming to Sanya at that time.

路窄人稀，遍地可见带刺的仙人掌，茅屋野草、椰树繁乱……这很难与如今美丽的三亚相比较，但这确是我母亲初来三亚的感受。

Simulation results show that the particle properties have significant influences on the bed-to-wall radiative heat transfer coefficient in CFB combustors.

模拟结果显示：温度场和表观气体速度对于稀相区床层与壁面之间的辐射传热系数有着重大的影响，而颗粒特性也对该系数有着不同程度的影响。

Owing to different structures of cotton fiber and chitin fiber ,they have different adsorbability to reactive dyestuffs.

采用不同的醛类化合物对甲壳素纤维上的氨基进行保护，活性染料染色后用稀酸脱去氨基的保护基。

A new airlift loop reactor was designed with the typical high viscous character of Xanthan gum fermentation, and the relationships between hydromechnical model and operating conditions were tested, the principle that the reactor's high shearing zone enhances mass transfer by making use of shear-thinning peculiarity of Xanthan broth was analyzed.

针对典型高粘性流体黄原胶的发酵特点，设计了一种新型气升环流反应器，对反应器中液相流型与操作条件之间的关系进行了实验考察，分析了反应器中高剪切区利用流体剪切变稀特性强化传质的原理。

In order to solve the problem of tar in pyrolysis process of coal to produce high quality fuel gas, a novel method of using CaO as catalyst in freeboard of fluidized bed to mildly convert the tar into gas has been proposed and the influence of CaO on tar cracking in the freeboard of fluidized bed at different temperatures is investigated.

为了解决在煤热解制取高质量燃料气过程中焦油带来的问题，提出了在流化床稀相段空间利用CaO作催化剂将焦油温和地转化为气体的新方法，考察了不同温度下氧化钙对煤热解生成焦油催化裂解行为的影响。

Is a company specializing in the production of halon enterprises with raw materials, our company adopt advanced production technology, in accordance with international standards of production, high quality, complete specifications, products are exported to South Korea, the United States, Thailand and Southeast Asia many countries and has considerable market share.

临安华宇橡塑有限公司是一家专业生产聚四氟乙稀生料带的企业，本公司采用先进生产工艺，按照国际标准生产，品质优良，规格齐全，产品远销韩国、美国、泰国及东南亚的许多国家并有相当的市场占有率。

On the basis of genetic analysis and flood time,the flood in Heilongjiang was divided into three types,that is ,storm flood, snowmelt and rain flood and ice flood in this paper.

按成因和发生时间，将黑龙江省的洪水划分为三种类型：暴雨洪水、融雪和雨雪融合洪水、冰凌洪水；着重论述了暴雨、洪水的时空分布特征以及暴雨洪水的稀遇程度等。

It is rare in nature because all its isotopes are short-lived and because radium, its source, is scarce.

在自然界很稀少，因为它所有的同位素都是短寿命的，还因为它的来源是稀有的。

In order to improve the situation of backward in technique and insufficient production of China's zinc industry and increase economic effectiveness of the enterprise, Jinshi Metallurgy and Chemistry Plant began the production expansion of 30 kilotons/a electrolytic zinc, taking aim at increasing its annual electrolytic zinc production from 20 kilotons to 30 kilotons, comprehensively recovering the rare dispersed metals Ga and Ge, and making the technique and equipment reach advanced level in the world.

扩产3万吨/年电积锌项目建设目标为：依靠科技进步、提高技术内涵，以低投入、高产出、求效益的原则，充分挖掘工厂现有设施潜能，通过改扩建，将金狮冶金化工厂的年产量由2万吨电锌/年提高到5万吨电锌/年，同时，综合回收有价金属，尤其是稀散金属镓、锗的回收，在技术和装备方面达到世界先进水平。

Culm sheaths deciduous, brown hispid abaxially; auricles narrow, glabrous, apex truncate; oral setae sparse, very weak; ligules ca. 1.5 mm tall in middle, margin dentate and long ciliate; blades erect, deciduous, lanceolate, apex long attenuate, nearly glabrous abaxially, slightly scabrous adaxially.

竿箨脱落，棕色具糙硬毛背面；叶耳缩小，无毛，先端截形；口头的刚毛稀，非常弱；叶舌约1.5毫米高的在中部，边缘具牙齿和具长缘毛；叶片直立，落叶，，先端长渐狭，近无毛，正面粗糙的稍。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。