陕西省

The author describes the current situation and the advantages of developing sericulture and silk industry in Shaanxi, and maintains that it is imperative to grip the opportunities of developing Western China and make full use of sericultural advantages to boost its further development.

文章论述了陕西蚕桑丝绸业的现状和发展优势，认为应抓住西部大开发的机遇，充分利用蚕桑产业具有显著的经济、生态和社会效益的特点，推动陕西省蚕桑产业的进一步发展。

Department of Anesthesiology, Stomatological College, Fourth Military Medical University, Xi＇an 710038 CHINA

第四军医大学唐都医院麻醉科，陕西省西安市710032 [2]第四军医大学口腔医学院麻醉科 [3]第四军医大学西京医院放射科

Department of Prosthodontics, Stomatological College,the Fourth Military Medical University, Xi'an,Shaanxi 710032,China

第四军医大学口腔医学院修复科陕西省西安市 710032；2。西安百纳科技有限公司

To guarantee t he s uccessful fulfil ment of t he fout h phase engi neeri ng of t he project ,t he strategi c t hought and t he constructi on tas k s hould be cleared .

在系统调查和研究的基础上，分析了陕西省三北防护林工程的建设现状，并对三北防护林工程生态效益、经济效益及社会效益进行了评价。

Originating from Chang'an( the present-day Xi'an), the route traversed Shaanxi Province, the Hexi Corridor in Gansu Province, the Tarin Basin in Xinjiang, the Pamir mountain region, Afghanistan, Iran, Iraq and Syria, ending at the eastern shores of the Mediterranean.

这条通道源于长安城，一路穿越陕西省、甘肃省境内的河西走廊、新疆的塔里木盆地、帕米尔山区、阿富汗、伊朗、伊拉克以及叙利亚，最后抵达地中海的东岸，全程7千公里，其中有4千多公里的路段在中国境内。

Variabilis natural type; applied the theory of numerical taxology and cluster analysis method, classified the Q. variabilis of Qinba and Huanglong mountain; ascertained the standard and method of Q. variabilis plus trees selection about 30 ages in Shaanxi province different areas and selected 49 plus trees that were suitable to different areas; used isoenzyme analysis ,through the detection enzyme system of POD,GDH,EST and ADH ect, researched the genetic variation level of Q. variabilis natural populations and heredity construction of different Q. variabilis natural type .The result showed:(1) Q.

本文通过对栓皮栎地理分布的研究，确定了研究栓皮栎天然类型的地理区域；应用数值分类学原理，采用聚类分析方法，对秦巴山区和黄龙山区的栓皮栎天然类型进行划分；确定了陕西省不同地区30年左右栓皮栎优树选择的标准和方法，并选出了适宜不同地区生长的优树49株；采用同工酶技术，通过对POD、GDH、EST、ADH等4个酶系统的检测，研究栓皮栎天然群体遗传变异水平和不同栓皮栎天然类型的遗传结构。

Five apple cultivars were individually inoculated with 18 representative single spore isolates of Venturia inaequalis collected from main apple grown areas in Shaanxi province.

选用陕西省18个有代表性的苹果黑星病菌菌株分别接种秦冠、富士、嘎啦、红星和乔纳金等5个寄主品种进行致病力测定。

Of which, the Cricetulus barabensis was the dominant specie. The quantity of nocturnal rodents was higher in spring and summer than in autumn and wint...

结论陕西省鼠疫疫区夜行鼠生态学指征有别于邻省，开展连续系统的夜行鼠密度及血清学监测对有效预防鼠疫的发生和流行具有重要意义。

Shaanxi Province ; waterbirds ; diversity ; distribution ; zoogeographical area

陕西省；水鸟；多样性；地理分布；动物地理区划

In the 1990s, with the development of economy,thruway program has become one important aspect of Shaanxi's infrastructure construction,which to some extent increase the contradiction between sustainable development and resource and environment.

20世纪90年代以来，随着经济的快速发展高速公路建设已成为陕西省基础设施的投资热点和重点，这在一定程度上加剧了经济可持续发展与资源和环境之间的矛盾，如何使高速公路建设在发展区域经济的同时，充分达到经济效益、环境效益和社会效益和谐统一，实现三者的持续健康发展是科技工作者研究的重点。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。