查询词典 heat stability

The aluminum groove used for heat dissipation is extrusion molding by 6030 aluminum ,and through anodize precessing technic ,with scientific struction for heat dissipation design ,which can solve the problem of heat dissipation efficiently , and can longer the life-span of LEDs , In addition ,the driver power utilize constant current IC driver ,which can asure the precise of power output and the stability during the couse of using .

散热铝槽采用6063铝挤出成型，经过阳极氧化等加工工艺处理，加上科学的散热结构设计，有效解决灯管散热难的问题，大大提高 LED 使用寿命。驱动电源采用恒流 IC 驱动方案，电流输出的精度高，确保 LED 使用的稳定性。

The polymer which has high thermal stability will become carbon matrix by high temperature carbonization, and the polymer with low thermal stability will decompound and gasify in the process of heat treatment, and the pore structure is l

综述了聚合物共混炭化法制备多孔炭材料的原理、方法、研究现状及最新进展，并指出共混聚合物分相相畴的控制和炭化过程中孔结构的控制是该法所存在的主要问题。

The results showed the synergistic effect was the best when epoxidized soybean oil was used as auxiliary heat stabilizer;β-diketone could restrain the early coloring up effectively; when non-lead and non-tin thermal stabilizers were used as main stabilizer, and houghite as auxiliary heat stabilizer, the stability of rigid PVC was improved perfectly, which showed great potentialities in its development.

结果表明：环氧大豆油作为辅助热稳定剂时，与各种主稳定剂的协效作用最好；β-二酮在抑制初期着色方面表现优异；以无铅无锡型为主稳定剂、水滑石为辅助稳定剂时，硬质PVC的热稳定性能有很大提高，因而有着很大的发展潜力。

LES cooperated with the second order full extension ETG finite element method is applied to simulate three typical problems concerned with convection heat transfer with sufficient experimental data. By comparing the numerical results with the experimental results, LES is proved to be of better accuracy and stability when it is used to solve the problems concerned with convection heat transfer. The time history of the flow field and temperature field can be reflected better, and abundant information of the fields can be obtained. Furthermore the details of the change in the vortex structure can be captured.

应用大涡模拟与二阶全展开ETG有限元离散格式相结合的方法对具有实验基础的三个典型对流换热问题进行了数值模拟，并将模拟结果与相应的实验结果进行对比，证明了大涡模拟应用于对流换热问题中具有较高的稳定性和精度，能够较好地反映流场和温度场的时变过程，提供丰富的温度场和流场信息，捕捉流场中旋涡结构的变化细节，尤其适合于边界形状复杂的区段内含有大尺度各向异性涡的流动和换热问题的计算。

Temperature or flux sensors may be used in the the heat quality intensity analysis system for puddling fumace,RBF neural network is used to judge sensor fault for insureing the credibility of sensor data and the stability running of the heat quality intensity analysis system.

在炼铁高炉热流强度分析系统中要用到温度、流量等传感器，为确保热流分析系统中传感器数据的可靠性及系统的连续、稳定运行，诊断系统用径向基函数神经网络对传感器进行故障判断。

Heat setting is done on tenter frames that are used to adjust the fabric to the desired width and length before maximum heat is applied to give the cloth dimensional stability.

热定形是在拉幅机上进行的，在未达到最高温度时，拉幅机可适当调节织物的宽度和长度，以便使织物的尺寸稳定。

Calcium pimelate, calcium azelate and zinc azelate are prepared by alkali neutralization process, and calcium dimer are prepared using double decomposition reaction, the effect of binary carboxylate heat stabilizer on PVC thermal stability is studied adopting Congo red method and toast with heat method.

通过碱中和法制备了庚二酸钙、壬二酸钙、壬二酸锌，采用复分解反应法制备了二聚酸钙，采用刚果红法与热烘法研究了二元羧酸盐热稳定剂对PVC的热稳定作用。

The pigment of Berberis heteropoda Schrenk is a type of anchocyanin and it is strong in resistance against light and to some extent, good in enduring heat and low consistence oxide. But it is poor in resistance against reductant and preservative. It can be applied to the condition of PH. It is also found that sucrose and most of metal ions do not exert negative effects on the stability of the pigment, except Fe3+, Fe2+and low consistence Pb2+, which have some extent effects. Adding stability matter can improve its stability. The harm trace elements contains are within requirement of the National Standard on food safety, As the lexicological study indicates that the pigment does not have any toxicity and mutagenesis, it can be used as edible pigment.

结果表明：大孔树脂吸附-解吸附法纯化黑果小檗色素实验室工艺简单易行，色素回收率高；黑果小檗色素属于花色苷类色素；耐光性好；对热有一定耐受性；对低浓度氧化剂有一定耐受性；耐还原性差；对防腐剂耐性差；适用PH＜6条件下使用；蔗糖和大多数金属离子对色素无不良影响，但Fe~(3+)、Fe~(2+)、Sn~(2+)和低浓度pb~(2+)对色素有影响，加入稳定剂后，可提高色素的耐热性、耐氧化性、耐防腐剂能力；经对有害微量元素进行检测和毒理试验表明，该色素安全无毒，可以作为天然食用色素使用。

Compound lead salt stabilizer to further enhance the thermal stability in order to reduce the amount of resin in the unit: Organic tin heat stabilizer dibutyltin in greater toxicity, are not suitable for plastic heat stabilizer; Mercaptans by organotin anti - Cu-poor, it is not appropriate in the wire, cable products, but no contact for copper products is no problem; lead salt-type heat stabilizer in most industrial countries are being banned or restricted.

复合铅盐稳定剂应进一步提升热稳定性能，以减少在树脂中的单位用量：有机锡热稳定剂中的二丁基锡毒性较大，不适宜用作塑料热稳定剂；硫醇类有机锡因抗铜性差，不适宜在电线、电缆制品中使用，但用于不接触铜的制品是没有问题的；铅盐类热稳定剂在大多数工业发达国家正在被禁用或限用。

In heat treatment field, controlling precision and stability of equipments act as a key role to heat treatment quality of products. Because electronic potentiometer and the two-position type controlling style are using widely in our country to control temperature of most box-style furnaces nowadays, which lead to the heat treatment quality can not satisfy the product requirement as desired.

在热处理行业，设备的控制精度和稳定性等对产品的热处理质量起着至关重要的作用，但目前我国大多数箱式炉还使用比较落后的电子电位差计和位式控温方式，其热处理质量远远不能满足产品质量的要求。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。