不耐热性

PMMA has such excellent properties as high light transmittance, colorlessness, chemical resistance, and dimensional stability.

聚甲基丙烯酸甲酯是一种重要的有机透明材料，它具有优异的光学性能、化学稳定性、加工性能、耐候性和电绝缘性，但其耐热性不高，限制了它的广泛应用。

Poly has such excellent properties as high transmittance, colorlessness, chemical resistance, and dimension stability, However, the Heat resistance of PMMA is poor.

聚甲基丙烯酸甲酯是一种重要的有机透明材料，它具有优异的光学性能、化学稳定性、加工性能、耐候性和电绝缘性，但其耐热性不高，限制了它的应用。

The sheet possesses good heat, cold and water resistance and incombustibility. Besides, excellent dielectric properties including proof tracking and arc resistance.

该板具有耐热性，耐寒性，不燃性，耐水性，电气绝缘性好等特征，此外，电气特性(由温度而产生的抵抗值的变化很小)，耐漏电起痕性，耐电弧特性方面也非常优秀。

Clinical features also include hyperlinearity of the palms and soles, atopy and heat intolerance or keratosis pilaris.

临床特征还表现为手掌和脚掌的高度线性化，遗传性过敏症和不耐热性，或毛周角化。

Horniness PVC plastic windows and doors are with eminent anti-corrosion character,none-rust,none-rot,with good bear-cold character and bear-hot character,with beautiful and generous sculpt,bright and goregeous colorful,legerity structure,conveniently for installation,economically applicable,absorbing the wxcellenct of the same kinds products from abroad and domestic,advanced design,reasonable struvture,chosen materials scientifically,polished high quality,forming complete sets,reache the state standard of GB0

硬质聚氯乙烯管材，塑钢门窗具有优良的耐腐蚀性能，不锈、不烂、具有良好的耐寒性和耐热性，造型美观大方，色泽鲜艳，结构轻巧安装方便，经济实用。本公司生产的硬质聚氯乙烯管材，塑钢门窗，吸取国内外同类产品的优点，设计先进结构合理，选料科学，质量精良，配套齐全，已经达到国家GB8814-2004标准。

The solution of fluorine- containing aromatic medlin is greatly increased without influence heat-proof quality, the light-admitting quality of material is improved, the filming property is good and reflecting rate is low.

本发明的含氟芳香聚酰亚胺在不牺牲材料的耐热性的前提下，大大提高溶解性，增加材料的光学透过性，并具有良好的成膜性和较低折射率。

Since the Km〓 gene of pCS4 and pCS11 was derived from the mesophile plasmid pUB110 and coded for a thermolabile protain, it conferred Km〓 phenotype on the host cell at 48℃ only. Mutant Km〓 gene was obtained by selecting for Km〓 phenotype at elevated growth temperature. In this way improved vectors pCS5 and pCS12 were obtained, which can be used at 65℃ by Km selection.

利用提高培养温度后选择卡那霉素抗性表型的方法，从编码不耐热蛋白质的卡那霉素抗性基因出发，得到了提高其耐热性的突变的卡那霉素抗性基因，从而改造了CS4和pCS11，得到了适用温度达65℃的改进的载体质粒pCS5和pCS12。

The main products are: Hammer, thermal conductivity detector, permeameter, contraction of the expansion device, hand-held strain gauge, waterproof material detector, low-bending device, slag ball content in separators, heat load tester, performance test combustion furnace, a variety of thickness, thermal expansion of graphite electrode NG, coal strength meter, electric tamping device, hydrophobicity tester, mineral wool density meter, concrete drilling sampling machines, sawing machines, removed machine, setstube machine, hydraulic bending machine, impervious tester, determination of heat resistance, heating telescopic measuring device, an extension device, penetration tester, small meter, viscometer, drying time tester, pencil hardness tester, pendulum hardness, the adhesion tester, film zoned grid, and resistant to scrubbing detector, solvent resistance detector, wearable device, flat grinding device, wear-resistant coating shakeout device, staining resistance tester, impact tester , piercing instrument, instrument bending film, film coating, and sanding machines, cone-shaped grinding, high-speed dispersion machine, three roller grinder, Scratch tester, indentation tester, gloss Miriam, white tester, fresh video of Miriam, Miriam reflectivity, iron cobalt colorimeter, paint density cup, crack resistance testing apparatus, leveling device, flow hanging device, visual color box, the minimum temperature detector into a grinding, low temperature brittleness tester, visual color boxes, electronic pull machine, Mooney Viscometer, vulcanizing device, the proportion of direct-reading, the cold compression tester, heritage wearable device, Heritage scratch device, the friction coefficient detector, coating Detect zoned grid plate , coating resistance tester, such as burning a variety of test equipment.

主要产品有：回弹仪、导热系数测定仪、渗透仪、收缩膨胀仪、手持应变仪、防水材料检测仪、低温弯折仪、渣球含量分离器、热荷重试验仪、燃烧性能试验炉、各种测厚仪、石墨电极热膨胀仪、煤强度测定仪、电动击实仪、憎水性测试仪、矿棉容重测定仪、混凝土钻孔取样机、锯切机、磨平机、套丝切管机、液压弯管机、不透水试验仪、耐热性测定具、加热伸缩测定器、延伸仪、针入度仪、细度计、粘度计、干燥时间试验器、铅笔硬度计、摆式硬度计、附着力测试仪、漆膜划格器、耐洗刷测定仪、耐溶剂测定仪、耐磨仪、平磨仪、涂层落砂耐磨仪、耐沾污测试仪、冲击试验仪、穿孔仪、漆膜弯曲仪、涂膜涂布器、砂磨机、锥形磨、高速分散机、三滚研磨机、划痕试验仪、压痕试验仪、光泽仪、白度仪、鲜映性仪、反射率仪、铁钴比色计、涂料密度杯、抗裂性试验仪、流平仪、流挂仪、目视比色箱、最低成磨温度测定仪、低温脆性试验仪、目视比色箱、电子拉力机、门尼粘度仪、硫化仪、直读比重计、压缩耐寒试验仪、文物耐磨仪、文物划痕仪、摩擦系数测定仪、涂层检测划格板、涂层耐燃烧试验仪等多种试验仪器。

Because of this technology does not need the process of acid pickling and high temperature, there is no hydrogen embrittlement took place in the spare parts, and it possess a great deal of merits such as self-healing function after scotch, meanwhile it has hyper heat-resistance, hyper tonicity, hyper stickability, hyper anti-friction, hyper weatherability, hyper corrosion resistance, and when used outside, it can maintain its color for a long-period without change.

由于该工艺不经过酸洗和高温，所以零件无氢脆发生，擦碰伤后还有自愈合功能，同时还具有高耐热性，高渗透性，高附着性，高减摩性，高耐候性，高耐化学品腐蚀性。用在室外可长期保持不变色等诸多优点。

Under high temperature stress, the former is higher than the later in the speed of leaf starch grain degradation, metabolism and transformation into carbohydrate which can be transported outside, while lower in storage starch consumption in the leaf sheath, this mechanism is important to rice to spend temporarily high temperature hurt. The cell membrane thermal stability expressed by the thermal death time at 50℃ could be used as an accurate and handy physiological index to rice breeding for heat tolerance fitting individual plant selection and identification at grain-filling stage in future.

在高温胁迫处理下，叶片中淀粉粒降解代谢转化为可外运碳水化合物形式的速度是耐热品种大于不耐热品种，而消耗叶鞘中贮藏淀粉的速度则小于不耐热品种，这种机制对于水稻度过暂时性的高温热害具有重要意义。50℃热致死时间所表示的细胞膜热稳定性可作为今后水稻灌浆期耐热性育种中适合单株选择鉴定的简便、准确的生理指标。

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。