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In other words, underground water is an essential water resource, accounting for 41%-83% of the total. Meanwhile, the formation of limestone soil is slower.(2) Guangxi is a typical karst region. A large difference is noticed in vegetation coverage between karst regions and non-karst regions. The average coverage of bush and forest communities is 14.81% and 12.13% in the karst regions, 1.92% and 31.3% in the non-karst regions.(3) The wide distribution of rocky desertification in Guizhou Province indicates the karst environment is strongly affected by carbonate rocks'properties.

水资源以地下水资源为主，且难开发；土壤资源零星分散，土层薄，易流失；(2)现存广西区植被覆盖特征显示，岩溶石山区森林覆盖率明显低于非岩溶区，同时也暗示着岩溶石山区植被的恢复、演化慢于非岩溶区植被；(3)贵州石漠化分布特征表明岩性对岩溶生态环境的制约；(4)脆弱的岩溶生态环境制约着生态系统的人口承载力。

Include: three non-woven mask, disposable face masks, industrial masks, non-woven strip caps, disposable caps, canvas gloves, work clothes and other products.

包括：三层无纺布口罩、一次性口罩、工业口罩、无纺布条形帽、一次性帽子、帆布手套、工作服等其他产品。

The Correlation between enzyme activities and physical properties of spruce forests soil The acid phosphatase was conducive to the increase of natural capacity, capillary capacity, saturated water capacity, non-capillary capacity, total porosity, non-capillary porosity, and the decrease of bulk density; the catalase and proteinase were conducive to the increase of capillary porosity and water porosity, respectively, these results suggested that catalyze function of soil enzyme directly acted the formation of soil physical structures.

土壤酶活性与土壤物理性质的相关性酸性磷酸酶活性的增强，有助于土壤自然含水量、毛管水含量、饱和水含量、非毛管水含量、总孔隙、非毛管孔隙的增加及容重的减小；过氧化氢酶和蛋白酶活性的增强分别有助于毛管孔隙和水占孔隙的增加。

Is a professional in the health-level non-pressure vessel, chemical pressure tank, reactor, agitator tank, hydraulic lifting platform, heat exchanger, evaporator ,Carbon quartz sand filters, bag filters, cartridge filters, nanofiltration filters and the non-standard equipment design and development, manufacturing and service businesses.

广东省江门市江海区英杰特机械设备有限公司是广州英纳集团成员企业，是一家专业从事卫生级常压容器、化工常压容器、反应罐、反应釜、液压升降平台、换热器、蒸发器、活性炭石英砂过滤器、袋式过滤器、滤芯过滤器、纳滤膜过滤器及非标机器的设计与开发、生产及服务的企业。

Companies leading products are: stereotypes non-woven, non-woven acupuncture, James oil cloth, geotextile, green cloth, roof insulation cloth, the dam with a cloth, shells sleeve cotton, of cotton, cotton-song, Waterloo cotton, cotton velvet, Products 1-4 meters width and thickness of 60 to 600 grams, length and color can be produced according to customer requirements.

公司主导产品有：定型无纺布、针刺无纺布、油沾布、土工布、绿化布、保温棚布、堤坝用布、弹袖棉、复合棉、松棉、滑棉、天鹅绒棉等，产品幅宽 1 至 4 米，厚度 60 克至 600 克，长度及颜色可根据客户要求制作。

The product the company has is as follows: Automatic Bottle Arranging Machine, Two-end Sifting Counting Machine, Photoelectricity Counting Machine, Automatic Stuffing Machine, Automatic Claw Type Cap Unscrewing Machine, Transistor Electromagnetism Induction Hole Enveloping Machine, Non-Dry Tape Marking Machine, Multi-functional Non-dry Tape Marking Machine, Combination Machine of Two-end Sifting Counting and Stuffing, Liquid Canned Machine, etc.

公司现有产品：自动理瓶机、双头筛动式数片机、动塞纸机、自动爪式旋盖机、高速搓式旋盖机，晶体管电磁感应封口机，不干胶贴标机，多功能不干胶贴标机，双头筛动数片塞纸组合机、液体灌装机等产品。

METHODS: Using tissue culture technique, the maximal non-toxic concentration of luteolin in swine testicle cell culture was measured, and the inhibitory effect of luteolin on TGEV was measured by cytophathogenic effect observation and crystal violet measurement. In addition, the degrees of inhibition of the luteolin on CPE of virus in cell culture were observed by changing sequence of adding the vires and the drag. RESULTS : The maximal non-toxic concentration of luteolin was 873.39 μmol/L.

采用细胞培养法，通过结晶紫摄入量测定结合细胞病变作用，观察木犀草素在不同的加药方式下，对感染TGEV的猪睾丸细胞的保护作用、结果：TGEV病毒先吸附ST细胞再加入药液，先与TGEV病毒孵育再接种于卯细胞，或药液先与细胞孵育再用病毒感染等不同方式下，木犀草素在0.84-54.50μmaol／L浓度范围内，均能明显地提高细胞的存活数。

Based on Hierarchical Intelligent Cuttings algorithm and non-conflict function, a novel IP packet classification named HICNCH( the algorithm based on Hierarchical Intelligent Cuttings and Non-Collision Hash) is proposed. Also the least square method is proposed to improve the rule of cutting tree and cutting efficiency is improved greatly.

然后基于层次智能切割算法，同时构造无冲突的哈希函数，提出了一种新的IP分类算法，即基于层次智能切割和无冲突哈希算法，并且提出利用最小二乘法改进了层次智能切割树分割域的判定准则，使分割更加高效。

In nuclear magnetic resonance system, the interactions between two arbitrary non direct-coupled spins always become very small along with the increasing of their distance. So it is very difficult to realize the information transmission between two non direct-coupled spins.

核磁共振量子计算机在实现多量子位之间的信息传递时，随着量子位的增多，物理距离相距较远的量子位之间的耦合作用会很弱，从而很难在没有耦合的量子位之间直接实现信息的传递。

Direct-driven non-linear proportional valve that the flow characteristic curve was non-linear was designed to reduce hydraulic impact in the reversing process of proportional reversal valve.

为了进一步降低比例换向阀换向时产生的压力冲击，设计了流量特性曲线为非线性曲线的直动式非线性比例换向阀，在AMESim中建立了直动式非线性比例阀及试验台仿真研究模型。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。