根

Additionally, the water fraction from wood extract can inhibit the root growth on Pak-choi. At 1000 μg/mL, after 72 h, the length ratio of root to shoot was 0.69, and the dry weight of Pak-choi root was only the 20.6% of control. But the extracts of Sapindus mukorossi have no influence on the growth of Pak-choi with normal growth 7 days.

此外，木材抽出物之水分离部则具有抑制胚根生长的作用，经浓度1，000 μg/mL处理72 h之小白菜，胚根与胚茎长比值为0.69，且其胚根乾重仅为对照组的20.6%，但无患子抽出物对正常生长7天后之小白菜并无显著抑制生长作用。

RESULTS:①The myelography and CTM revealed that factors contributing to DLSS included not only zygapophysial joint hyperplasy, hypertrophic ligamentum flavum and intervertebral disc protrution which resulted in degenerative lumbar spinal stenosis, but also zygapophysial joint semiluxation and pedicle shift.

结果：①脊髓造影与CT脊髓造影的表现：DLSS对硬膜囊或神经根的压迫较退行性腰椎管狭窄症复杂，除与关节突肥大增生、黄韧带肥厚、椎间盘退变突出有关外，还与关节突关节半脱位、椎弓根移位压迫神经根等因素有关。

Results C/EBPαand C/EBPβexpressed differently in the outer root sheath,follicular papilla,hair matrix and sebaceous gland in embryonic period.The positive signals were chiefly distributed in the nucleˉuses.The expression of C/EBPαand C/EBPβwere found in the basal cell layer of outer root sheath and sebaceous gland in the new born and maturation phase,The expression in nucleuses of outer root sheat cells decreased with the differentiation but enhanced oppositely in the cytoplasm.

结果 C/EBPα和C/EBPβ分别在胚胎期毛囊外根鞘，毛乳头，毛母质及皮脂腺细胞的胞核内强表达；新生儿毛囊峡部下端外根鞘基底层细胞的胞核内也存在强表达，基底内层胞核阳性信号逐渐减弱；而成体毛囊核内阳性信号仅定位于峡部下端外根鞘基底层及皮脂腺基底层。

［Objective］To study the biomechanical stability of slidable pedicle screw system with the comparison of slidable pedicle screw system and universal pedicle screw system in intensity,rigidity and other biomechanical functions.

［目的］对滑动椎弓根钉系统与通用椎弓根钉系统在脊柱侧凸固定强度、刚度和稳定性等方面进行生物力学比较，以测试滑动椎弓根螺钉内固定系统稳定性的生物力学性能。

［Objective］To study the biomechanical stability of slidable pedicle screw system with the comparison of slidable pedicle screw system and universal pedicle screw system in intensity,rigidity and other biomechanical functions.［Method］Twelve spinal specimens of the pig were randomly divided into two groups and the schubweg on the vertebra of T12 were measured in different conditions.In the end the intensity and rigidity of two groups were compared which were computed by the schubweg.

［目的］对滑动椎弓根钉系统与通用椎弓根钉系统在脊柱侧凸固定强度、刚度和稳定性等方面进行生物力学比较，以测试滑动椎弓根螺钉内固定系统稳定性的生物力学性能［方法］采用12具猪新鲜脊柱标本，随机分成两组分别测量不同工况下T12椎体的位移，并计算其强度和刚度进行比较。

The present study was carried out on paddy osils under conditions of continuous application of organic manures.We found that organic manuer applied could provide nutrients deficient in rhizosphere, enchanced the formation of chelated compounds of Fe and Mn in root horizon and play a significant role in decreasing the lignifcation of meahanical tissue and in increasing the stelar catheter diameter of roots.

采用有机肥与化肥配施，在田间小区试验和盆栽试验的基础上，研究了有机肥促进根层络合态Fe和Mn的形成，补偿根际养分亏缺，并对根的皮下机械组织木质化程度降低，中柱导管的增大有明显的作用。

Methods 38 cases of lumbar disc herniation with strictured nerve root canal were treated by surgery from 1996 to 1999.To explore that nerve root canal and completely release the pressured nerve.38 cases were follow up.

方法对1996－1999年间，因腰椎间盘突出症合并神经根管狭窄38例行手术治疗，术中均行神经根管探查并彻底松解受压神经根。

Using Eriochome cyanine R staining, we found that Al accumulation on surface of root tips was positive related to the inhibition of root growth in treatments of 0 - 80μmol·L~(-1) Al for 24 h. Exchangeable Al in apoplast and symplasm of root tips of wheat was effectively desorbed by 5 mmol·L~(-1) CaCl_2 at 4℃.

铬化青R染色可以原位显示0-80μmol·L~(-1)Al处理后根尖表面Al的吸附量与根尖伸长受抑制程度具有很好的一致性。5mmol·L~(-1) CaCl_2溶液可以有效洗脱10和40μmol·L~(-1)Al处理24小时后小麦根尖质外体和共质体中可交换态Al。

The growth and the nutrient consumption in the culture of Trichosanthes kirilowii hairy root were studied for various inoculum concentrations.

为将毛状根用于根类中药材的工业化生产，研究了在不同接种量的条件下，栝楼毛状根的生长及其对各种营养物质的消耗，同时考查了培养液的p H值和电导率的变化。

Trichosanthes kirilowii in Qianshan County , Anhui Province. Nematodes were extracted from soil around theroot system to a depth of 450 mm using a Baermann funnel and roots were examined for sedentary nematodes. Of the

为了有效防治栝蒌根结线虫，调查了安徽省潜山县栝蒌根结线虫及其发生，并分析了栝蒌根围土壤线虫的组成。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。