结晶时间

不同的等温结晶时间只能够改变PHB晶体的尺寸大小，并没有改变其结晶形态。

The change of crystallization time only change dimension of crystal , it did not influence the crystalline morphology .

目的与方法利用扫描电子显微镜（SEM）研究结石患者稀释尿液中，Ca2+和C2O42-浓度、结晶时间和枸橼酸钠对草酸钙结晶的影响。

The effects of calcium , oxalate , sodium citrate and crystallization time on calcium oxalate crystal growth were studied in vitro by the observation of crystal morphology grown in the diluted urine of calcium oxalate stone formers using scanning electron microscope .

结果表明成核样品缩短PP的半结晶时间，成核剂A比D更明显；

Compared with pure PP , nucleated PP showed a shorter half time of crystallization .

本文还研究了Al2O3源、反应物组成、温度、结晶时间及高压釜内衬材质等因素的影响。

Other factors such as source of Al_2O_ (?) , reactant composition , temperature , crystallization period and lining material of autoclave were also observed .

研究表明Ni的参与可以显著降低非晶SiGe薄膜的结晶时间以及结晶温度；

The experimental results show that the Ni inducing crystallization can significantly reduce the temperature of crystallization and time of amorphous SiGe .

同时，由于VOH引入支链，降低了分子链的规整性，限制了PP排入晶格的速率，致使半结晶时间t1/2和结晶速率Zc常数降低。

Simultaneously , because the macromolecular regularity was decreased , the crystallization half time t_ 1 / 2 and crystallization rate constant Z_c of PP-g-VOH were decreased .

确定岩石中矿物成核速度、成核密度、晶体生长速度和结晶时间的CSD理？

The Nucleation Rote , Nucleation Density , Crystal Growth Rate and Growth Time of the Minerals for Determination by the Theory of the Crystal Size Distribution ( CSD )

动力学参数表明LiClO4晶粒缩短了PEO的结晶时间，使复合体系中PEO的结晶速率大于PEO体系的，但PEO体系形成更完善晶体；

The results show that grains of LiClO_4 have curtailed crystalline time of PEO , and the overall crystallization rate of PEO in composite is higher than that of PEO system .

以30%H2O2和尿素为原料制备过氧化尿素，考查了H2O2与尿素的摩尔比、反应温度、反应时间、结晶时间、干燥温度与时间等因素对产物H2O2含量的影响。

The urea peroxide ( UP ) was made up of 30 % H_2O_2 and urea , the effect of the mole ratio of H_2O_2 to urea , reaction temperature , reaction time , crystallization time , drying temperature and time on the content of H_2O_2 were studied .

结晶时间：8小时；

The time range : 8 hours ;

降温速率越快，单位结晶时间达到的相对结晶度越高。

And the faster of the cooling rate , the higher of the crystallinity at the same crystallization time .

这取决于铀、钍、铅的相对含量和岩浆结晶时间。

It depends on the relative abundances of uranium , thorium and lead in the mineral , and the time of feldspar crystallization .

为缩短结晶时间，提高结晶设备的利用率，本文研究了结晶过程中影响晶型的各种因素，改进了发酵液预处理、结晶工艺。

To shorten the crystallization time and improve the efficiency of equipment , various factors in the crystallize process were studied to improve the pretreatment of fermentation broth and crystallization .

在正常人稀释尿液中，结晶时间对晶体形状的影响不明显，但影响晶体的大小和密度。

No remarkable effect of the crystallinic time was observed on morphology of COM in the diluted healthy urine . However , the crystal-size and density can be affected by the crystallinic time .

纳米胶粉起到了异相成核的作用，降低了聚丙烯的过冷度，缩短了半结晶时间；普通胶粉对于聚丙烯的结晶熔融行为没有明显影响。

Nano powder played the role of heterogeneous nucleation and reduced the condenser depression of polypropylene , shorten the half crystallization time , common power for the crystallization and the melting behavior of polypropylene had no significant effect .

用一种新的流变的方法表征了共混物的结晶诱导时间，结果与DSC的测试结果吻合。

The onset time of isothermal crystallization of iPP and iPP / PcBR blends was measured by a novel rheological method , which accords with the results from DSC .

将棉子糖粗品加热溶于70%乙醇低温下重结晶一定时间，可得到棉子糖晶体。

The crude raffinose was heated and dissolved in 70 % ethanol to recrystallize at low temperature .

偏振光显微镜下观察胆汁中胆固醇结晶成核时间（NTm），以及模拟胆汁胆固醇结晶成核时间（NTc），并计算NTm/NTc比值；

Observe the time needed by the nucleation of the cholesterol in bile ( NTm ) under a polarized microscope and simulate the nucleation time ( NTc ) of bile , then to calculate the ratio of NTm / NTc .

再结晶温度、时间是立方织构形成的主要影响因素。

The recrystallization temperature and time are the main factors .

Ⅰ使结晶的诱导时间缩短，Ⅱ使之略有延长；

ⅰ shortens the inductive time of crystallization and ⅱ prolongs the time slightly .

制造方坯连铸机结晶器的时间&费用模糊规划

Fuzzy Plan of the Time-Cost Analysis for Network Plan of Manufacture of Continuous casting machine

结晶一段时间后，球晶密度改变不大，而泡孔密度仍然进一步增加，泡孔密度甚至大于球晶密度，这是由于出现了异相成核和均相成核共同成核模式造成的。

After a period of crystallization , the spherulites density almost keeps constant while cell density still increases and even higher than spherulites density at last . This is because there is homogeneous and heterogeneous nucleation at the same time .

在反应过程中，P沸石首先呈短柱状结晶，随着反应时间延长，结晶形态发生变化，由短柱状向菱面体过渡。

In reaction process P-zeolite first appears the short column crystal and then the crystal pattern changes from short column to rhombohedron with reaction time lasting .

用Pg波走时重建华北地区结晶基底速度及时间项图像

Reconstruction of the basement velocities and time-terms using PG waves in North China region

采用POM来研究结晶温度、结晶时间等因素对PCL均聚物结晶形态的影响。

POM to study the crystallization temperature , crystallization time to factors such as the crystalline morphology of PCL homopolymer .

然后利用偏光显微镜来研究结晶温度、结晶时间以及PCL的相对分子质量等因素对PCL均聚物结晶形态的影响。

Then , the effect of crystallization temperature , crystallization time and molecular weight of PCL was studied by polarized optical microscope ( POM ) .

改进后重结晶条件：超声时间45min，超声温度60℃，超声功率100%，乙醇作溶剂。

Improved recrystallization method conditions are as follows : ultrasonic time : 45 min , ultrasonic temperature : 60 ℃, ultrasonic power : 100 % , solvent : ethanol .

溶液在浓缩和结晶设备中滞留时间计算

Calculation on Residence Time of Solution in Concentrating and Crystallizing Equipments

实验表明，聚醚醚酮的结晶峰随熔融时间延长向高温移动，且峰形变窄，峰的强度增大。

The tests show that the crystallization peak of PEEK shifts to higher temperature and peak shape becomes narrow and peak strength increases while the melting time increases .

研究表明，影响该过程的主要参数有鼓气速率、结晶降温速率、结晶时间、发汗升温速率及发汗时间等。

The main affecting parameters are bubbling velocity , temperature reducing and rising program and sweating time , etc.