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The adsorption results of triethylene tetraamine-modified oxycellulose showed that:(1) when adsorption tests were carried at 37℃and pH7 in 5 h,static adsorption capacity of 0.5g adsorbent for urea(6g/L in dialysis solution),uric acid(1 g/L in redistilled water) and creatinine(0.1 g/L in dialysis solution) were 131.5mg/g,24.6mg/g,3.31mg/g respectively.

三乙烯基四胺基氧化纤维素的吸附性能结果表明：(1)吸附温度为37℃，pH值为7时，0.5g吸附剂对于尿素(6g/L透析液)、尿酸(1g/L二次水)、肌酐(0.1g/L透析液)在5h的静态吸附容量分别为131.5mg/g、24.6mg/g、3.31mg/g。

Methods Seventy-five SD rats were randomized into five groups: normal, model, iodine glycerin (20 g/L), high-dose SP (200 g/L) and low-dose SP (100 g/L). The experimental periodontitis rat models were established by ligating molars with steel wire combined with intramuscularly injection of prednisolone (1.25mg, 8 times). Except that the model and normal groups were treated by applying saline, the other groups were treated by applying the corresponding drugs 0.5 mL to the peridentium, tid for 10 days. After treatment, debris index, probe depth and bleeding rate during probing were investigated and the pathological changes of periodontal tissues were also observed.

方法］SD大鼠随机分为正常组，模型组，碘甘油组(20g/L)，舒口散高、低剂量组(200、100 g/L)；采用钢丝结扎牙齿加肌注波尼松龙（l.25 mg/次，共8次）的方法复制大鼠实验性牙周炎模型；药物采用口腔局部涂搽，每次0.5mL，每日3次，10 d为1疗程，模型组与正常组给予等容积生理盐水；检测各组软垢指数、探诊深度、探诊出血阳性例数，并取牙周组织进行病理学检查。

Was injured slightly at ρ 0.1 mg/L at 17℃; when the concentration of AE was 1.0 or 10.0 mg/L, the injured degree increased, but Pistia stratiotes L.

结果表明：在 17℃下，ρ 0 。1mg L的AE对大薸的伤害程度极微；ρ为 1.0、10 。0mg L时，大薸受到较大的伤害，但能逐渐恢复正常生理活动；ρ为 2 0 。0、5 0 。0mg L时，由于伤害程度大，超出了酶的修复能力，组织逐渐坏死。

The experiment result showed: when the medium was MS supplemented with 2,4-D2.0mg/L, BAl.0mg/L and NAA0.5mg/L, the callus induction rate of the cotyledon was 87.9%, the callus induction rate of the plumular axis was 82.9%, and the callus induction rate of the terminal bud was 6.7%.

实验结果表明在MS附加2，4-D2.0mg/L、BA1.0mg/L、NAA0.5mg/L的培养基上，子叶愈伤组织的诱导率为87.9％、胚轴的诱导率为82.9％、顶芽的诱导率为6.7％。

The results show that, the proper feeding order and feeding amount are that: aluminium polychloride 19.2 mg/L+PAM 0.075 mg/L, the COD is 98.2 mg/L, it meets secondary discharge standard.

结果表明，最合适混凝剂投加顺序及投加量为：聚合氯化铝19.2 mg/L+PAM 0.075 mg/L。出水COD 98.2mg/L，达到二级处理排放要求。

By orthogonal experimental design method, the optimized degumming parameters have been confirmed: preacid processing, the concentration of sulfuric acid 2 g/L, treatment time 120 min, treatment temperature 60℃, bath ratio 1:15; alkali treatment, the alkaline concentration of one-pot 7.5 g/L, that of two-pot 9 g/L, treatment time of one-pot 3.5h, that of two-pot 2h, treatment temperature 100℃, bath ratio 1:20, each concentration of the Sodium Silicate, carbamide, and JFC 2%.

预酸处理，硫酸溶液质量浓度2 g/L，处理时间120 min，处理温度60℃，浴比1：15；碱处理，一煮碱溶液质量浓度7.5 g/L，二煮碱溶液质量浓度9 g/L，一煮处理时间3.5 h，二煮处理时间2 h，处理温度100℃，浴比1：20，其中一煮与二煮中添加2%的硅酸钠、尿素和JFC。

METHODS: Rhesus monkey BMSCs were isolated and cultured by conventional density gradient centrifugation. BMSCs in the induction group were treated with L-DMEM containing FGF2, B27 and fetal bovine serum for preinduction of 24 hours, and then with DMEM supplemented with 0.5 μmol/L retinoic acid or 400 μmol/L SHH for 8 days.

常规密度梯度离心法分离培养恒河猴骨髓间质干细胞，诱导组加入含FGF2、B27、胎牛血清的L-DMEM预诱导24 h撤离血清后，分别加入含0.5 μmol/L维甲酸或400 μmol/L音猬因子的DMEM诱导8 d，以未诱导的细胞作为对照组。

The 1/2 MS medium supplemented with 1.0 mg·L-1 BA and 0.1 mg·L-1 NAA was very beneficial to the protocorm differentiation and propagation of D.candidum .The highest protocorm propagation index was obtained from the medium containing the activated carbon.The highest root numbers and length were observed in plants growing in 1/2 MS medium containing 0.5 mg·L-1 NAA.

结果与结论：添加20%马铃薯液有利于种胚的萌发，种胚萌发率为79.37%；BA 1.0 mg.L-1和NAA 0.1 mg.L-1最有利于原球茎增殖，培养基中添加2%活性碳原球茎增殖倍数高；NAA有助于试管苗的生根，不同含量NAA以0.5 mg.L-1时试管苗平均根数最多和平均根长最长。

Urceolaris and Daphnia pulex were studied under the conditions of laboratory. The toxicity research of trichlorphon showed the median lethal concentration（LC50） of three kind of zooplankton in 24h were 318.5mg/L,315.9mg/L, 3.6μg/L respectively.

研究结果表明：在敌百虫的毒性研究中，萼花臂尾轮虫、壶状臂尾轮虫和蚤状溞的24h的LC50分别为318.5mg/L，315.9mg/L和3.6μg/L。

The germination test of Sporocarps of Microlepia hancei prantl had been done, the callus can be induced from the delicate stem of Microlepia hancei prantl; The inducement and proliferation medium of callus was MS＋6-BA2 mg/L+NAA0.2 mg/L;the optimal combination of hormones of buds differentiation was MS+6-BA 0.4 mg/L; the effect of MS medium in radication culture was better than 1/2MS, the roots of plants were all efficiently induced in MS medium without reference to adding IBA、NAA or IBA＋NAA, the rate of radication was high; the effect of seedling cultured in the mixture of perlite and turf soil was better than perlite、garden soil and river sands.the mixture of perlite and turf soil has the excellences such as ventilate、water conservation 、nourishment and so on,the survival rate was higher and seedling substance was also hale.

试验进行了华南鳞盖蕨孢子果的萌发试验，并利用幼嫩茎段进行诱导愈伤组织；愈伤组织的诱导与增殖培养基为MS＋6-BA2 mg/L+NAA0.2 mg/L；其芽分化最佳激素组合为MS+6-BA 0.4 mg/L；生根培养中MS基本培养基比1/2MS效果好，MS基本培养基不论附加生长素IBA、NAA或IBA＋NAA，均能有效地诱导植株生根，生根率高；假植以珍珠岩和泥炭土的混合物为基质效果优于珍珠岩、菜园土和河沙，具有通气、保水、营养等优点，假植成活率高，苗势健壮。

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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。