最低温度

The lower critical solution temperature of the prepared microgel is estimated to be about 34℃ by both DLS and 1H-NMR m...

DLS和1H-NMR研究证实了微凝胶粒子的最低临界溶液温度在34℃左右。

The results showed that the maximum UV absorption wavelengths of those 1,3,4-oxadiazole derivatives in dichloromethane were in the range of 268~327 nm, and their maximum photoluminescent wavelengths in dichloromethane and solid film were located at 332~390 nm and 359~439 nm, respectively. The 1,3,4-oxadiao1e derivatives exhibit a first endothermal peak at 120~328℃ in the DSC heating process, and the symmetrical 1,3,4-oxadiazole derivatives display a higher melting temperature. The CV curves of those 1,3,4-oxadiazole derivatives indicate that the reductive potentials of the 1,3,4-oxadiazole derivatives are located at -1.03~0.98 V, and their LUMO(the lowest unoccoupied molecual orbit) energy levels are -3.71~-3.76eV.

结果表明，该类衍生物在二氯甲烷溶液中的最大紫外吸收波长在268~327nm范围，在二氯甲烷溶液和固体膜中的最大荧光发射波长分别在332~390nm和359~439nm范围；DSC分析结果表明，5个噁二唑衍生物的起始吸热峰位于120~328℃之间，其中对称结构的噁二唑衍生物显示了较高的熔融温度；由循环伏安图和相关计算结果表明，5个噁二唑衍生物的还原电位位于-1.03~-0.98V，其相应的最低非占有分子轨道能级在-3.71~-3.76 eV之间。

In the first part, one of the side-arms of hexakisbenzene was replaced with a 4-pyridinylethynyl group. Comparing with analogous compounds incorporating a 2- or 3-pyridinylethynyl moiety, the compound with a 4-pyridinyl -ethynyl unit shows lowest melting and clearing points.

中文摘要系列一部分为在六炔苯基苯盘形分子上引入一对位吡啶炔侧臂，在与引入邻位、间位的分子相比较后，发现含对位吡啶炔侧臂的化合物其澄清点温度最低且无热分解问题。

C Thermally controllable light valves:As described above, the clearing temperature of PDCLCs can be increased by UV-curing because of the reduction of impurity concentration. Therefore, when the texture of a CLC cell in the UV-cured region are changed to focal conic one, the scattering of light from the sample is maximum. However, the clearing temperature of PDCLCs can be increased continually with continually irradiating with UV light onto the sample, but the scattering is unchanged.

当PDCLC照射紫外光的时间超过某一特定时间，则表面配向被聚合物薄膜破坏而达成散射态之穿透度最低状态，若持续照光聚合时，因仍然处於focal conic态，故穿透度不再改变，但单体聚合造成相变温度上升，直到单体全部聚合为止。

It was found that the forced thermo-acoustic oscillation had much lower critical temperature for initiation and the minimal temperature was only 60℃.

系统的最低起振动温度约为60 ℃。

However, some factors affecting the quantity of each cow, such as the seasonal variation, the raising technique, the difference of nourishment, the environment hyperpyrexia and others. The quanity of milk production are varied throughout the year. The output reduced in summer for the four seasons.

然而受限於每头牛只乳量之限制，且季节变化、饲养方式、食用之饲养料的不同、环境温度过高等，导致牛乳一年四季之产量或多或少，其中夏季为四季之中乳产量最低之季。

Meloidogyne incognita represents the most widespread species and is found in every country in which the lowest temperature is more than 3℃.

南方根结线虫在世界范围内广泛分布，在最低低温度高于3℃的每个国家都有发现。

Using potato tubers of Irish cobbler variety naturally infected with X- and Y-virus, the writer compared the concentrations of X-virus in the young sprouts of different seed pieces longitudinally cut from the same tuber and subjected to various temperatures, light and darkness, normal and dereased oxygen tensions during the period of germination.

在定温箱内所做的发芽温度试验的结果指出，块茎在20℃中发出的幼芽内X-病毒的浓度最高，沉淀滴度一般在1/80—1/160之间，最高的达到1/320，千日红上平均半叶斑点数目约为30.16°及24℃中的病毒浓度相近，沉淀滴度约为20℃的1/2，斑点数目达20℃的2/3左右。28℃发出的幼芽内病毒浓度最低，平均沉淀滴度约在1/10—1/20之间，平均半叶斑点数目为11.9。

As with the accuracy specification, this value is given as a percentage of reading plus a number of counts of the least significant digit (or as a ppm of reading plus ppm of range) for digital instruments.

和准确度技术指标一样，对数字显示仪器来说，温度系数表达为读数的百分数加上最低有效位的字数（或者读数的ppm+量程的ppm）。

The molecular weight of broad bean vicilin and legumin measured by gel filtration chromatography were 135000 and 351000, DSC showed that their denature temperatures were 72℃ and 87℃ respectively. The legumin had a lowest solubility at pH 4. 5-5. 0 whereas the vicilin at pH5. 5. Vicilin and legumin were all possessed low levels of α-helical and high β-sheet secondary structure fractions. The total content of α-helical,β-sheet and β-turn fraction of vicilin and legumin reached to 90% and 78% separately showed that they had a high ordered structure in solution.

对两种组分的凝胶层析表明7S和11S的相对分子质量分别为135000和351000；DSC分析显示其热变性温度分别为72℃和87℃；溶解度分析表明：11S球蛋白在pH4.5-5.0之间，7S球蛋白在pH5.5时具有最低的溶解度；圆二色性分析结果显示7S和11S球蛋白的β-折叠结构含量分别高达40.5％和38.1％，证明二者都属于β-折叠型蛋白质，二者的α-螺旋、β-折叠和β-转角结构的含量总和分别达到了90％和78％，从而说明它们在溶液中的结构是高度有序的。

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