质量损失率
- 网络Mass loss;Mass loss rate
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在观测方面,给出了从射电、红外,可见光、紫外和X射线各波段得到的观测证据,并介绍了星风的两个重要参数、星风的终速和质量损失率。
Observational evidence for stellar winds obtained from radio , infrared , visible , UV and X-ray regions are given . And two important parameters , terminal velocity and mass loss rate , are discussed .
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增加N2流量对产物相组成的影响不大,但可导致试样质量损失率明显增加。
The increase of N2 flow rate effects slightly on the phase composition of product , but it increases obviously mass loss rate of the samples .
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明显增加了花枝鲜样质量损失率和降低了水势值;进一步增高了MDA含量。
It also increased obviously flowers mass loss , decreased flower water potentials , and increased MDA content .
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关于Mira变星质量损失率的进一步讨论
A further discusses concerning the mass loss rates from Mira variables
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用生物降解产生的CO2产率、试样的最终质量损失率、固体降解产物的腐植酸含量、元素组成以及降解残液的紫外吸收等指标表征了生物降解效果。
CO_2 yield , weight loss , humic acid ( HA ) content , elemental analysis and FT-IR of the solid residues and UV-VIS adsorption of liquid products were applied to characterize the biodegradation properties of the samples .
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Mira变星的绝热膨胀过程的质量损失率和声点半径
The mass loss rates and sound point positions . for an adiabatic expanding process from Mira variables
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对不同的降解PE膜、发泡PS餐盒用拉伸断裂伸长率保留率、拉伸强度保留率、质量损失率、分子量变化和生物生长程度来评价其降解性能。
Retention of tensile strength and elongation at break , mass loss rate , molecular weight changes and the growth of biomass are employed as indices for the degradation assessment of degraded PE films and EPS snack containers .
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采用等温热质量损失率、等温热质量损失速率、甲醛释放量分析等方法对三乙醇胺对POM的热稳定作用进行了进一步研究。
The effect of triethanolamine on the thermal stability of POM was further studied by means of isothermal mass loss , isothermal mass loss rate , and formaldehyde emission amount .
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以冬枣为材料,研究了20kV/m,60kV/m和100kV/m高压静电场处理对果实质量损失率、腐烂率及果实维生素C含量变化的影响。
Taking Dong Jujube as experimental material , the weight loss rate , the decomposing rate , the containment change of vitamin C of fruit are studied under high voltage static electric field ( HVEF ) with 20kV / m , 60kV / m , and 100kV / m.
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使用锥形量热仪研究了聚氯乙烯(PVC)薄板在不同温度下的燃烧反应,采用化学动力学法拟合了PVC燃烧过程中质量损失率与时间的单方程模型。
The burning behavior of 3 mm-thick PVC slabs ( 100 mm × 100 mm ) at different temperatures was studied with a cone calorimeter . A single equation model of mass loss rate vs time was simulated with a chemical kinetic method .
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砂浆质量损失率随Na2SO4浸泡溶液浓度的增大而减小,而线性收缩率则反之;
And its mass losing rate reduced along with the increasing concentration of Na_2SO_4 solution , but linear shrinkage then otherwise ;
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但AANa和CPE的物理混合物一经浸水,亲水性的AANa将全部析出。混合物的浸水质量损失率为100%。
But the simple physical mixture of AANa and CPE lost almost all of its mass after immersion in water for the same time .
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并根据地下商业街的火灾风险特性,考虑物质质量损失率和耐火极限,结合FTA分析,构造单体火灾风险函数。
According to the fire risk characteristics of underground commercial streets , combined with FTA , a function model of single fire risk is convinced , with consideration of the rate of mass loss and fire resistant limitation .
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热固性钼酚醛树脂在质量损失率、热分解温度和树脂碳氧化温度等方面都比普通热固性酚醛树脂的有所改善,TG曲线在整个温度范围内的下降趋势也较平缓;
The mass loss rate , thermo decomposing temperature and the resin carbon oxidation temperature etc of the thermosetting Mo-PF were all improved compared with the conventional thermosetting PF , and the descent trend of its TG graph was smoother in all temperature area .
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从磨损实验结果可见,Ni-P镀层的磨损质量损失率几乎为Ni-P-ZrO2镀层的3倍,说明ZrO2纳米粉的加入能改善镀层的耐磨性。
The wear mass loss of Ni-P coating is nearly twice more than that of Ni-P-ZrO_2 coating , implying that the wear resistance of the composite coating is improved due to the co-deposition of ZrO_2 nanometer particles .
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结果表明,共聚物为部分结晶态,具有优异的耐热性和溶解性,其玻璃化转变温度(Tg)为229~275℃,质量损失率为5%时的温度为485~538℃。
The result showed that the copolymers was of partial crystalline state , and had better heat resistance and solubility . The T_g value of the copolymer was in the range of 229 to 275 ℃, and T_d ( 5 % ) was 485 ~ 538 ℃ .
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用我们得到的气体的速度流场估算了Mira变星的质量损失率为1.19×10~(-6)M⊙/年,这也与已知的观测事实相符。
From the gas velocity field of Mira variable we estimated a mass loss rate of 1.19 × 10-6 M ⊙ / yr. which is also consistent with the well-known observational fact .
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saccharinus和inodorus的5个品系表现出乙烯释放速率和鲜样质量损失率很低,货架期显著优于其它变种的材料。var。
Results revealed that five accessions from var. saccharinus and inodorus appeared lower ethylene production rate and weight loss rate , displayed a very good shelf-life .
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利用燃烧合成法,可制备出孔径尺寸为1~500μm、酸碱腐蚀质量损失率小于2%、压缩强度为10MPa左右的多孔陶瓷。
The porous ceramics with the pore size of 1500 μ m , less than 2 % of the corrosion mass-loss rate against acid and alkali , and the compressive strength about 10 MPa can be prepared by combustion synthesis .
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纤维掺量是影响混凝土质量损失率的最显著的因素。
But in influencing ones on the concrete mass loss , the polypropylene fiber was .
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不同质量损失率下的热寿命与温度呈线性关系。
And the thermal lifetimes at various weight - loss rates were linear with temperatures .
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样品质量损失率分析显示,富烧绿石样品在五种模拟地质介质中仍保持较低的浸出率,显现良好化学稳定性。
The results of mass loss rate showed that pyrochlore-rich synroc had a low mass loss rate with better durability .
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不同孔径凋落物袋内土壤动物的类群和个体相对密度与凋落叶的质量损失率呈现相对一致的变化趋势。
Mass loss rates of fir leaf litter appeared consistent with the taxa and individual relative density of soil fauna .
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采用质量损失率和断裂强力、断裂伸长等指标,客观评定常温下羽毛纤维的耐化学试剂性能。
Addition of the kind will help improve ammonia fibre 's breaking strength and breaking elongation , and prohibit yellowing of its thread .
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随着贮期延长,整果和果肉质量损失率和霉烂率增加,好果率降低,果皮褐变。
Along with storage , the rate of mass loss , mildew infection and rotting of the fruits or their pulp all increased ;
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试验结果表明:真空紫外线辐照导致材料产生明显的出气效应,质量损失率呈现先递增后趋于平缓的趋势;
Results show that VUV exposure resulted in obvious outgas effect , while mass loss ratio shows a trend of ascending followed by leveling off ;
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在第二阶段,未经编织的纤维的质量损失率始终高于编织线,结晶度的增大速率也快于编织线。
In second stage , the mass loss rate of unbraided fiber was higher than fiber in braided yarn , and the crystallinity increased faster .
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极端碳星是高度演化后的红外碳星,它的质量损失率及光深都非常高,几乎没有其光学对应体,并将很快演化为前行星状星云。
The extreme carbon stars , whose derived mass loss rates and optical depths are both very high , are more evolved than infrared carbon stars .
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研究了聚合物水泥砂浆浸泡于盐酸、硫酸、醋酸溶液后的强度、质量损失率。
After immersed in hydrochloric acid , sulfuric and acetic acid solution with different concentration , the mass and strength losses ratio of the polymer-modified mortar were measured .
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各个试验系列按照各自养护方法进行养护,并在规定龄期测定其质量损失率或长度膨胀率指标。
For each test series the samples were maintained according to its own maintaining method and the loss rate of quantity or length expansivity was measured in defined period .