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OBJECTIVE, To study the direction, route and num- ber of SLCs and their relationship with SLN after subareolar injection of methylene blue and technetium 99m sulfur colloid （^99m Tc-SC）, and to explore the mechanism of sentinel lymph node biopsies produce false negative results in breast cancer patients and the method to improve the detectable rate, METHODS: ^99m Tc-SC was injected preoperatively, and methylene blue was injected by the same subareo-lar route just after anesthetic induction, and then SLNB was carried out according to SLCs in 93 breast cancer patients.

目的：通过乳晕下联合注射^99m Tc-SC和亚甲蓝，研究前哨淋巴通道的行走方向、途径、数量及其与前哨淋巴结之间的关系，以探讨乳腺癌SLNB出现假阴性的机制，并提出提高其检出率、减少假阴性的方法。

Fourty of them were injected with 1.0 mCi of technetium^99 sulfur colloid at preoperation and 2ml methylene blue dye was injected inoperation in subareolar;radioactive SLNs were identified using a hand-held gamma detector probe,all blue stained SLNs were removed during operation.

其中40例病人术前于乳晕下注射1.0mci的锝^99硫化胶体，术中于乳晕下注射亚甲蓝2ml，同时术中用手握式γ-同位素探测仪确认有放射活性的SLN；行手术解剖法解剖分离出蓝染的SLN。

Rats in the treatment group were injected with 10 μL of human insulin of rapid gene synthesis （1 ×10%5 U/L）immediately after unclamped the bulldog clamp and reperfusion, while rats in the sham-operation group and control group were injected with normal saline at the same volume.

分别于全脑缺血再灌注1，3，5d，假手术组（1只／时相点）、缺血对照组（6只／时相点）、胰岛素治疗组（6只／时相点）大鼠断头取脑，行免疫组化染色，光镜下观察海马CA1区神经元酪氨酸羟化酶和多巴胺-β-羟化酶表达的变化。

In order to further investigate the relationship of SP and ESCs, we design two level experiments —in vitro and in vivo. In vivo, firstly, We establish the nomal rat full-thickness wounds model, and employ integrin β1 keratin 19(K19)、 keratin 15(K15)、 Brdu as ESCs markers to conform the existence of ESCs in the granulation tissue of Group Capsaicin (rats were subcutaneously injected capsaicin pre-injury to damage sensory neuron and block the secretion of neuropeptides), Group Control, and Group SP (rats were injected SP in the wound postinjury). Secondly, as diabetic skin lacking of SP due to extensive pathological changes of sensory ending, we make a hypothesis:one of the main reason of unhealing wounds on diabetic patients could be insufficient SP which lead to fewer ESCs recruitment around wounds.

在此基础上，为进一步验证P物质促进表皮干细胞向肉芽组织中募集这一重要发现，本研究首先利用β1整合素、K19、K15等干细胞标记物以及干细胞慢周期性的特点，分别在体观察了正常皮肤伤口愈合过程中SP组、辣椒素组采用特异性感觉神经毒性药物辣椒素(capsaicin皮下预注射化学性除去感觉神经从而阻止神经肽分泌、对照组肉芽组织中表皮干细胞分布特点；其次，糖尿病患者皮肤存在周围末梢神经的损伤和神经肽含量的下降，这是否会导致糖尿病皮肤伤口创缘表皮干细胞募集不足，继发伤口难愈？

We establish the quantum theory of the one-mode micromaser injected by ultracold V-type three-level atoms with atomic coherence, and discuss the properties of the emission probability, the photon statistics, the spectrum and the velocity selection. We find the following results. There are two sets of peaks in the plot of the emission probability versus the cavity length. The injected atomic coherence can deeply affect the values of the two sets of peaks and the unresonant platform.

第一部分包括第一章到第四章，在这部分，我们建立了具有原子相干性的超冷V型三能级原子注入的单模Micromaser的量子理论，研究了原子发射几率、腔场光子统计、腔场光谱、以及腔对原子速度选择等性质，并着重研究了原子相干性对这些性质的影响。

Hypoxic-ischemic encephalopathy experimental grouping: Sixteen successful C57/BL6J mice models, aged 7 days, were randomized into 2 groups: experimental group (n =8), following ligation of right common carotid artery, mice were placed in the closed container containing 0.08 volume fraction of oxygen and 0.92 volume fraction of Nitrogen gas, and taken out 1.5 hours later; 3 μL ESCs were injected into the right cerebral ventricle at about 1 week, and control group (n =8), in which, the same amount of PBS was injected into the right cerebral ventricle.③ At 12 weeks after transplantation, the survival and migration of induced ESCs labeled by Lac-Z in the spinal cord and brain were observed by zymologic method.

缺氧缺血性脑病实验分组：将造模成功的鼠龄7 d的C57/BL6J16只小鼠随机分为2组：实验组8只，结扎右侧颈总动脉后将小鼠置入含体积分数0.08氧气和体积分数0.92氮气的密闭容器内，1.5 h后取出；1周后在右侧脑室内注入3 μL诱导胚胎干细胞。

Once delivered to the heart, injected cells are difficult to distinguish from target tissue by MR in vivo.To specifically imaging injected cells in MR, the recent investigation generally using superparamagnetic iron oxid to label MSCs, which should enable serial tracking and quantification of MSC transplantation noninvasively by MR.

由于MR成像无法区分移植细胞和靶组织细胞，为使移植细胞能在MR上特异性显示，目前广泛使用超顺磁性氧化铁(superparamagnetic iron oxid， SPIO)作为负性标记物标记移植细胞，进行MR体外和活体内的成像研究。

It can be concluded that, when the jet is injected at positive angles, the initial section of the jet increases and the region affected by the jet decreases in the vertical direction; moreover, the circumfluence toward the jet exit becomes more obvious, and the separation events in the lee of the jet weaken. When the jet is injected at negative injection angles, it disarranges the flow upstream and the curvature of jet trajectories varies smartly along the flow direction.

结果表明：射流正向倾斜入射时，射流起始段增加，在垂直方向对主流场的影响区域减小，射流喷口上游位置处的&孔吸流动&更为明显，射流出口下游背风侧的分离现象逐渐减弱；射流反向倾斜入射，对上游流场的扰动增加，射流在弯曲段内曲率变化大。

The effects of stimulation with electro-acupuncture on the pain threshold, 5-HT in brain stem, the β-END in hypothalamus and hypophysis, the β-END and ACTH in the blood plasma as well as the function of the cellular immunity of the normal rats, the hypophysis extirpated rats and the PHA injected rats were observed in this experiment. In the meantime, the pain threshold of rats injected with cyclophosphamide was observed too.

本实验观察了电针对正常、摘除垂体以及PHA大鼠痛阈、脑干内5—HT、下丘脑、垂体内β—END和外周血浆中β—END、ACTH含量以及机体细胞免疫功能的影响；同时，还观察了电针对Cy大鼠痛阈的影响。

On the basis of the produced oil little while drilling using the oil based mud and the difficult to injected water, this paper evaluates compatibility among the filtrate of drilling fluid,completion fluid, slurry,injected water and formation water and studies the effect of injectability on cores which are pullulated by the filtrate and oil.

针对现场油基钻井液所钻井出油少、注水困难等问题，评价了油基钻井液滤液、完井液、水泥浆、注入水、地层水间的配伍性，以及油基钻井液滤液、原油对岩心动静污染后吸水能力的影响。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐