微团的

Firstly, the establishment of model requires sophisticated neurointerventional techniques and costly interventional materials(sacculus, minikin circlip ring, endovascular electrocoagulation), it not only consumed time but also increased the resesrch expense ; Secondly, although the Massoud model is the first successful model that contain the nidus, but it is far from mimicking the high-flow fistulae frequently observed in a brain AVM; Thirdly, the rapid spontaneous thrombosis result in fistula occlusion in a short time;Fouthly, the model's natural course and the long–term patency of fistula are unclear;Currently the model is only used for the short-term research.

但Massoud模型目前存在以下主要缺点：第一，模型的建立需要复杂的神经介入技术和昂贵的介入材料(球囊、微弹簧圈、血管内电凝等)，操作费时，又大大增加了研究费用；第二，Massoud模型虽然首次具备了畸形血管团，但它远不是我们临床上常见的含有高流量动静脉瘘的脑AVM；第三，颈动静脉吻合口自发性血栓形成进而导致引流静脉闭塞的机率很高；第四，Massoud模型的长期自然过程和动静脉吻合口的长期通畅性尚不清楚，目前仅仅作为急性期模型。

ADPODS posses stable Surface chemical properties when dissolved in 10% sulfuric acid, 10% sodium hydroxide or 10% sodium chloride aqueous solutions. ADPODS s emulsifiability and detergency at 650mg/L water hardness are very good.4 The micellar aggregation number of C16-MADS was determined by molecule fluorescence probe method.

采用分子荧光探针法测定了C_(12)-MADS与C_(16)-MADS的胶团聚集数，在一定的表面活性剂溶液浓度1.25×10~(-2～1.10×10~(-1)mol·L~(-1)范围内，N_m随浓度的增大而线性增大；体系温度和NaCl浓度对N_m的影响极小；胶团内核的微极性明显大于传统阴离子表面活性剂。

The deformation mechanism is mainly the single-slip and cross-ship, the fracture mechanism is mainly the congregation of transgranular micro-hole, and large uniform deformation occurred before tough fracture, and therefore, the ability of plastic deformation and the mechanical properties of the material were remarkably improved. These fully indicate that the new melt-treatment developed in this work is an effective and advanced technique, and further testify that the improvement of metallurgical quality of the material is the key to enhance its mechanical properties, especially its plastic deformation performance. The results of tensile and compression tests at elevated temperature also indicate that the suitable hot-working temperature range is 400～450℃. 4. A steady-state plastic flow exists during the plastic deformation of the aluminum sheet used for pressure can at elevated temperature. A hyperbolic sine relationship can be satisfied between the steady-state flow stress and strain rate by introducing an Arrhenius term which involves some thermal activation parameters, i.

压力罐用铝材中的主要冶金缺陷为Al〓O〓夹杂物、气孔及富Fe杂质相；高效熔体处理显著改善了材料的冶金缺陷的存在形态，使含杂量明显减少、夹杂物尺寸变细小且分布均匀，富Fe杂质相变为细小、分布均匀的团球状或短棒状的复杂化合物，同时也明显细化了结晶组织；此外，由于高效熔体处理有效地减少了材料中裂纹萌生源数量，因而改变了材料的塑性变形微观过程及断裂方式，主要以单滑移和交滑移进行塑性变形，断裂方式为穿晶微孔聚集型，韧性断裂前产生了大量的均匀变形，不易出现变形失稳，从而显著提高了罐用铝材的塑变能力和力学性能。

Leaves opposite or rarely alternate, subequal in size; stipules lanceolate, 7-10 mm; petiole 1.5-6(-10) cm, densely pubescent; leaf blade dark green or black when dry, oblate to 5-angled or oblate to orbicular-ovate, often ovate in upper stems, 8-12(-18)× 7-14(-22) cm, papery, secondary veins 2 pairs along midvein, abaxial surface densely pubescent along veins and veinlets, adaxial surface roughish, densely strigose, base truncate, subcordate, or broadly cuneate, margin coarsely 8-12-dentate, teeth gradually larger distally, often biserrate apically, apex 3-cusped or lobed, tip serrulate. Glomerules on axillary spikelike flowering branches, male branches often branched, 8-17 cm; female spikes distal, unbranched or branched, 5.5-24 cm.

叶对生或很少互生，大小近等；托叶披针形，7-10毫米；叶柄1.5-6(-10)厘米，密被短柔毛；叶片深绿色或黑色的干燥时，扁球形到具5个角或扁球形的到圆形卵形的，通常在上面茎内卵形的， 8-12(-18)* 7-14(-22)厘米，纸质，次脉2 对沿中脉，背面密被短柔毛的沿脉和细脉，正面微糙，密被糙伏毛，基部截形，近心形，或宽楔形，团伞花序在腋生的穗状的花枝，雄性分枝通常分枝，8-17厘米的；雌性穗状花序上部，不分枝或分枝，-24 厘米。

The result of immobilization showed that hydrophile membranes were more advantageous than hydrophobe ones to act as immobilization carrier. Crosslinking organophosphorus hydrolase by glutaraldehyde on polyethersulfone membrane is a simple and practical immobilization method. An appropriate amount of bovine serum albumin and crosslinker is necessary to get a good result of immobilization. In the biodegradation of methyl-parathion through enzyme membrane reactor, the effect of immobilized enzyme amount, flow rate of peristaltic pump, pH of the feed, and the methyl-parathion concentration on biodegradation rate was studied. It was shown that the biodegradation rate increased with immobilized enzyme amount and substrate concentration. Biodegradation rate didn't increase when the folw rate of the peristaltic pump was larger than 7 ml/min.

然后，研究固定化酶降解甲基对硫磷，从不同材料的膜载体固定有机磷水解酶的比较中，发现亲水膜比疏水膜适合作固定化酶载体；在此基础上，将有机磷水解酶固定在聚醚砜微滤膜上，并制成酶膜生物反应器，用于降解甲基对硫磷；戊二醛化学交联法固定时，酶液与10%牛血清白蛋白溶液的比例在3：1~2：1，与交联剂的比例在7：2~7：4范围内，固定化效果较好，并发现牛血清白蛋白和膜载体有降低酶活损失的作用；将固定化的酶膜装于酶膜反应器降解甲基对硫磷，实验结果表明：反应器的降解速率与固定化酶量呈正比，也随底物浓度的增加而加快，当流速低时，降解速率随流速增大而加快，到7ml/min以上时，降解速率不随流速脑黾佣洌到獾淖畹团ǘ任？

Thirdly, the mechanism of extractant and diluent loss in aqueous phase was studied in both saponified organophosphorus acids and naphthenic acid extraction systems.

本文通过研究皂化有机磷酸、环烷酸从有机相到水相的转移及水相中胶团或o/w型微乳状液的形成，证明了皂化酸性萃取剂和有机溶剂的水相流失与水相聚集体的形成有关。

To study the significance of using mutiple targes in intractale psychosis, 120 patients were treated by stereotactic technique combined with CT, MRI, microelectrode, and electric impedance methods with bilateral multiple nuclei lesioning by radio frequency thermocoagulation.

在立体定向基础上，应用CT、MRI、微电极和电阻值联合的多元化定位方法，对 12 0例难治性精神病患者，采用不同核团组合的双侧多靶点技术进行射频热凝治疗，应用CGI、BPRS、PANSS等精神病量表进行术前、术后的对照分析，以探讨不同靶点组合对难治性精神病的治疗意义。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失