乳酸

MethodsExperimental cerebral ischemia-reperfusion injury model was induced by ligation bilateral common carotid arteries. The protective effect of myricetin dispersible tablets was observed by detecting the content of cerebral water, SOD and MAO activities,MDA and LA contents.

方法采用双侧颈总动脉结扎法制备大鼠实验性全脑缺血再灌注损伤模型，通过测定大鼠脑含水量，超氧化物歧化酶、单胺氧化酶的活性和丙二醛、乳酸的含量，观察杨梅素分散片对大鼠实验性脑缺血的影响；采用体内静脉血栓形成法，观察杨梅素分散片对体内静脉血栓形成的影响；并研究其对血小板聚集的影响。

Our aim in this observational, prospective, noncontrolled studywas to detect, in 29 patients who underwent abdominal aorticaneurysm surgery, correlations between the incidence ofpostoperative organ failure and intraoperative changes in arterialand portal blood lactate; changes in intramucosal sigmoid pH; differences between sigmoid PCO2 and arterial PCO2 ( CO2);and hemoglobin.

我们在这个观察性、前瞻性、非对照研究中的目的是探求29例腹主动脉瘤手术后患者器官衰竭发生率与术中动脉和门静脉乳酸变化、乙状结肠粘膜内 pH变化、乙状结肠粘膜 PCO2和动脉 PCO2差值（ΔCO2）以及血红蛋白的关系。

Pregnant Nutrimental Granules is made based on nutriment needs by the pregnant and lactating women, rich in nutritients like calcium lactate, zinc gluconate, colostrum powder, beta-carotene, vitamin C, vitamin A, vitamin D and folate. Added with CPP (facilitate calcium taken-up).

本品针对孕产妇及哺乳期妇女营养需求研制，含有丰富的乳酸钙、葡萄糖酸锌、牛初乳粉、β-胡萝卜素、维生素C、维生素A、维生素D、叶酸等营养素，并添加CPP，促进钙质的吸收。

Using stannous octoate (ZnOct2) as the catalyst, poly (D, L-lactic acid) was synthesized.

在催化剂辛酸亚锡(ZnOct2)的作用下，合成了聚D，L-乳酸。

DSC measurements proved that the amorphous and crystalline prepolymerswere obtained catalyzed by stannous octoate and sulfric acid respectively.

DSC的分析表明以Sn2和浓硫酸为催化剂可以分别制备无定形的与结晶的聚乳酸/碳纳米管复合物。

The resules show that the optimal reaction conditions are as follows: tin octoate is used as catalyst; w(SnOct2)lw and w(nano-SiO2)/w is 1:400 and 1:20, respectively; the reaction temperature is 140 CC and the reaction time is 72 h. Under this conditions, composite withM of 1.5091×10^5 was obtained.

结果表明，最优的反应条件为：采用辛酸亚锡为催化剂，催化剂用量和二氧化硅用量分别为丙交酯用量的0.25%和5%，在140℃油浴中，氮气保护下反应72h，可得到重均分子量为1.5091×10^5的聚乳酸纳米二氧化硅复合材料。

Polylactide/ nano-silica composites were synthesized with lactide and modified nano-silica by tin octoate catalyst.

以丙交酯和改性后的纳米二氧化硅为原料，在辛酸亚锡催化作用下，制备了聚乳酸纳米二氧化硅复合材料。

Due to the increasingly deep concerns about the cytotoxicity of stannous octoate, which is the most widely used catalyst for synthesizing polyesters derived from lactides (L-LA, D, L-LA, GA) via ring opening polymerization, a lot of new metal complexes of relatively low toxicity including Schiff base–Al complexes, Red-Al were developed and used to initiate the living, stereo-specific, and/or stereo-selective ROP of lactides.

由于合成聚乳酸类生物医用降解材料的最常用的催化剂辛酸亚锡 Sn2的细胞毒性问题已在世界范围内引起日益深切的关注，近年来国内外学者已研究开发出许多性能优异的低毒、非锡金属络合物催化剂（如：位阻西佛碱-Al 络合物， Red-Al 等）用于催化交酯类单体的活性、立构专一性及立构选择性聚合反应。

METHODS Segmental, 1 cm osteoperiosteal defects were produced in both radii of 12 rabbits. One side was covered with hydroxyapatite/polylactic acid membrane encapsulated as a tube. The contralateral side served as an untreated control. Healing courses were detected by radiographic and histologic examinations.

采用新西兰大白兔为实验对象，将兔桡骨制成1cm缺损，一侧用羟基磷灰石／聚乳酸膜包绕缺损，另一侧作为对照，通过X线片、大体观察及病理检查等观察两侧桡骨愈合情况。

Mosquitoes captured and the egg positive traps were counted and recorded every day. Results Comparing with the control group, yeast-generated CO2 could take a strong attraction to mosquitoes in the field (P.05), but had an adverse effect in laboratory. P. maximum infusion, tyre infusion and L-lactic acid dilution could not attract Aedes albopictus to oviposit in Mosq-ovitrap. The colour change of Mosq-ovitrap could not raise its attractant ability to mosquitoes, on the contrary, increase the probability of mosquito escaping from Mosq-ovitrap.

结果 实验室和现场的结果显示，酵母发酵产生的CO2在室内实验中没有增强诱蚊诱卵器的诱蚊效果，而在现场实验中却产生较好的诱蚊作用，实验组的诱蚊指数和诱蚊密度指数与对照组比较差异均有统计学意义(P.05)；大黍叶、轮胎浸出液和乳酸稀释液在试验中未显示出吸引白纹伊蚊雌蚊产卵的能力；在改变诱蚊诱卵器杯身颜色的试验中，杯身上2/3变为黑色并不能提高它的诱蚊和诱卵能力，反而增加成蚊逃逸的概率。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。