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Effect of several collectors on fersmite artificially synthesized under the condition of variable pH values and dosages were studied. The collecting characteristic of several representative collectors such as benzyl arsionic acid,α-styrolphhosphonic, diphosphonic acid, cyclic alkyl hydroximic acid and C(subscript 7-9) alkyl hydroximic acid was researched.

研究了几种捕收剂在不同pH值和不同用量条件下对人工合成的铌钙矿的捕收效果，考察了苄基胂酸，苯乙烯膦酸，双膦酸，环烷基异羟肟酸，C(下标 7~9)烷基异羟肟酸等几种代表性的捕收剂的捕收性能。

At lower dosages, PFTα did not interfere with the antitumor potency of hyperthermic chemotherapy.

热化疗杀伤肿瘤细胞的效应并未受到低剂量PFTα影响。

Results showed that biomass of the ground part of Juncus Effuses was inhabited to a certain degree. When the dosages of the heavy metals added to the soils were close to Grade II Criteria of the State Soil Environmental Quality Standard (GB15618-95), Juncus Effuses could still grow normally in appearance though its yield decreased by 10%, however biomass of the underground part was not much affected.

实验结果表明：5种重金属复合污染对灯心草地上部生长有一定程度的抑制作用，在土壤环境质量二级标准上限值处灯心草地上部生物量减产9.15%，0%，但地下部生物量减产趋势不明显。

Results showed that DCF with different dosages could increase the frequency of micronucleated erythrocytes markedly,except the first injection of the dosage with 5 and 10 mg/kg,every group caused an increase in the frequency of nuclear abnormality erythrocytes,the effects in cell membrane and cytoplasm were less than the effects in karyon by DCF,and the most toxicity was exhibited after the second injection.

结果表明，注射DCF后所有剂量组均能引起中华蟾蜍红细胞微核细胞率显著升高；除5，10mg／kg剂量组在第1次注射后较对照组低外，其他注射剂量和次数均引起核异常细胞率升高，DCF对细胞膜与细胞质的影响小于其对细胞核的影响，在4次注射中以第2次注射后对红细胞的毒性效应最大。

Results ⑴ The cell proliferation was inhibited by TET. It showed thatdivision index and cell number during G0-G1 were decreased, while S and G2-M phases were lengthened with dosage and time dependency in dosages of TET from 2mg/L to 8mg/L; besides, oval-shap cells, karyopyknosis and fragmentation were observed under light microscope. The inhibitory effect in T2 group was statistically similar to that in triamcinolone.

结果⑴ TET在2mg/L~8mg/L之间呈剂量及时间依赖性地抑制瘢痕成纤维细胞的增殖，使生长曲线不同程度的压低、分裂指数降低、G0-G1期细胞数减少、G2-M期增多、S期与G2-M期延长，光镜下见细胞突起变短，细胞由梭形变成椭圆形，核固缩、碎裂。P.C的改变近似于T2组(4mg/L TET)。

Result 1 Magnetic nanoparticles, magnetic nanoparticles modified with antisense oligodeoxynucleotide of human telomerase reverse transcriptase induced HL-60 tumor cells to apoptosis, we could see typical morphologic change of apoptosis cells: karyopyknosis, chromation"s condensing and aggregation in nuclear, forming crescent-shaped or annulus structures to lean on edge of cell nucleus"s membrane and posing apoptosis body by Atomic Force Microscope, Fluorescence microscope, transmission electron Microscope 2 There was a significant difference compared with control group(p.01), inhibition ratio had significant positive correlation with medication dosage and time ;during 0.8-8μM dosage amplitude, inhibition ratio accrescenced by dosages increasing. However, the inhibition ratio would decrease when dosage over 8-80μM.

结果 1 磁性纳米粒子、修饰有端粒酶反义寡核苷酸的磁性纳米粒子诱导HL-60细胞发生凋亡，原子力显微镜、光学显微镜、荧光显微镜和透射电镜下均观察到HL-60细胞呈现典型的凋亡细胞的形态变化：细胞核固缩，核内染色质浓缩、凝聚、形成新月形或环状结构紧靠在细胞核膜边缘，并形成凋亡小体。2 磁性纳米粒子、修饰有端粒酶反义寡聚脱氧核苷酸的磁性纳米粒子对HL-60肿瘤细胞的生长和增殖有明显的抑制作用，与对照组相比有显著性差异(p＜0.01)，在剂量为0.8-8μmol／L范围内，抑制率随剂量的增加而增加，当剂量超过8μmol／L时，抑制率反而下降；3 磁性纳米粒子、修饰有端粒酶反义寡聚脱氧核苷酸的磁性纳米粒子可增强p53基因的表达活性，引起DNA降解损伤，反向调节细胞周期活动，促使细胞从G0期进入G1期，抑制肿瘤细胞的生长。4 修饰有端粒酶反义寡聚脱氧核苷酸的量子点能通过内吞作用进入HL-60肿瘤细胞的细胞核，可以在细胞内进行定位和促进HL-60肿瘤细胞的凋亡。

In this paper, the action mode of NMA in the traditional polyacrylate emulsions was studied by extracting the traditional self-curable PA latex film before curing and comparing the properties of two kinds of model latices A and B. Where model A was prepared according to the traditional self-curable PA latex and the model B was a blend of polyacrylates emulsion and an aqueous solution of poly-NMA. The total proportions of the ingredients were adjusted just the same as of model A. The influences of monomers, the dosages of crosslinking monomer A and emulsifier etc.

文中通过构造&共聚&和共混两个胶乳模型，研究了常规&自交联&PA胶乳中N-羟甲基丙烯酰胺的作用模式；分析讨论低温水性PA胶乳的聚合工艺及影响因素；通过分析胶膜的溶失率、吸水率、力学性质和Tg，及用扫描探针显微镜观察薄膜的微观表面形态和粗糙度的测试，研究水性PA胶乳的成膜性能、稳定性及基本性能；测试并分析胶乳作为涂料印花粘合剂和织物涂层剂的使用性能；通过核壳聚合技术对无甲醛胶乳产品进行性能优化。

Objective The antioxidant activities of various dosages of Laurencia extract were investigated in mice.

目的 观察凹顶藻提取物对DNA损伤和机体抗氧化能力的影响。

Methods The experimental mouse was injected with high, middle, and low dosages of marasmius androsaceus po1ysaccharide 5, 10, 20 mg kg^(-1d^(-1) in the abdomen, and the comparison group was given the same volume of saline water i. p. once a day. After treatment for 14 consecutive days, the blood cell count instrument was used to measure the mice hemogram, the phagocytic function of peritoneal macrophage and the ability of carbon granular clearance were observed., the ability of the spleen lymphocytes proliferation was tested by MTT, and the hemolysin production test was used to evaluate the influence of MA polysaccharide on specific humoral immunity in mice.

小鼠腹腔注射不同剂量的鬼毛针多糖5， 10， 20 mgkg^(-1d^(-1)，对照组给予等量生理盐水，每天给药1次，连续14d后，用血细胞计数仪检测小鼠血象；用腹腔巨噬细胞吞噬鸡红细胞实验、碳粒廓清实验观察小鼠吞噬细胞的吞噬能力；采用MTT法测定小鼠脾T淋巴细胞增殖能力；采用血清溶血素形成实验观察鬼毛针多糖对小鼠特异性体液免疫功能的影响。

Results Marasmius androsaceus polysaccharide at middle and high dosages can increase the number of lymphocytes and moncytes in normal reference, enhance the phagocytic function of peritoneal macrophage, promote the carbon granular clearance, accelerate the proliferation of T lymphocyte, enhance the specific humoral imnune function.

结果 中、高剂量鬼毛针多糖可以在正常范围内增加小鼠血清中漱巴细胞、单核细胞数量；增强吞噬细胞吞噬功能；促进脾脏T淋巴细胞增殖；并且鬼毛针多糖还具有增加小鼠血清中特异性抗体含量的功能。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。