1) critical oxygen concentration
临界氧浓度
1.
The research on the critical oxygen concentration of combustive gas is limited to the elementary gas.
目前对可燃性气体的临界氧浓度的研究大多数都是对单元气体进行的,通过对煤矿可燃性气体的爆炸极限氧浓度和临界氧浓度进行的实验研究,对煤矿可燃性气体临界氧浓度的影响因素进行了分析,得出的数据及结论为煤矿瓦斯的安全防爆工作提供了理论基础。
2.
On the basis of the measurea critical oxygen concentration,this paper estab-lishes a model for evaluating the oxygen concentration C(r)in mycelial pellets.
在判别临界氧浓度的基础上,建立了青霉素菌丝球内氧浓度分布模型,指出了可能存在的三种不同类型的分布形式。
3.
The paper experimentally studied the explosive limit and the critical oxygen concentration of several kinds of gases that are found in the mine.
通过实验,对煤矿井下存在的多元混合气体的爆炸极限和临界氧浓度进行了分析和研究。
2) critical dissolved oxygen concentration
临界溶氧浓度
3) Critical concentration
临界浓度
1.
The effects of electrolyte (different types and different ion strength) on critical concentration (C *) of the chitosan and N alkyl chitosan liquid crystalline in formic acid solutions were studied.
研究了壳聚糖以及N 烷基壳聚糖的甲酸浓溶液中添加不同类型、不同离子强度的小分子电解质时溶致液晶临界浓度 (C )的变化规律。
2.
Critical concentration(c )of the samples were measured by polar optical microscopy(POM).
结果表明:同一碳链长度时,取代度对临界浓度的影响不大;而当取代度相近时,随着碳链长度增加,临界浓度也随之增大。
5) critical salt concentration
临界盐浓度
1.
It was showed that,when the concentration of dosed NaCl solution reached the critical salt concentration,there would generate the phenomenon of particles releasing in sand column;in mixed salt solution,the existence of molar percent of Ca2+ would inhibit the .
试验结果表明,当加入NaCl溶液的浓度达到临界盐浓度时,砂柱中会产生颗粒释放现象;混合盐溶液中,Ca2+的存在会抑制颗粒的释放,即颗粒释放的临界离子强度值随着Ca2+摩尔百分含量的增加而降低;在相同盐浓度和振荡频率的条件下,溶液pH值越低,颗粒释放量越少;pH值越高,颗粒释放量越多。
2.
The results indicate that critical salt concentration and critical flow rate exit on the saltwater-freshwater interface.
试验结果表明,咸淡水界面上存在临界盐浓度值和临界流速值,当入流溶液浓度达到临界盐浓度和流速达到临界流速时,都会产生颗粒释放现象,导致砂柱的渗透率下降,水敏性发生。
3.
With horizontal seepage experiments,this paper analyzes the critical salt concentrations(CSC)of the different cations,by examining such solutions as NaCl,KCl,LiCl,NH_4Cl,CaCl_2 and MgCl_2,which can cause the particle release of water sensitivity of porous media.
通过水平渗流试验,以NaCl,KCl,LiCl,NH4Cl,CaCl2和MgCl2溶液为研究对象,分别测定不同阳离子引起微粒释放、导致多孔介质水敏感性发生的临界盐浓度值(CSC)。
6) limiting carbon concentration
临界碳浓度
1.
It is shown that a limiting carbon concentration in the vicinity of the growing ferrite nuclei is invariable with the variations of temperature and cooling rate,while increases linearly with the Nb content .
结果表明,先共析铁素体相变形核长大的临界碳浓度随钢中Nb含量的增加而呈线性增大,但对温度和冷却速率的变化不敏感;在连续冷却过程中钢中Nb含量的增加会降低先共析铁素体形核温度,但当Nb含量大于0。
补充资料:溶氧浓度
分子式:
CAS号:
性质:是衡量培养液中所含溶氧大小的指标。溶氧浓度的单位有绝对量:mg/L、mmol/L,和相对量:饱和浓度的百分量。设饱和氧浓度为100%,浓氧浓度可用溶氧电极来测定。微生物对溶氧的响应类似于其他营养,在低浓度下细胞比生长速率随溶氧增加而增加,达到一定溶氧浓度,比生长速率不再随溶氧增加而增加。
CAS号:
性质:是衡量培养液中所含溶氧大小的指标。溶氧浓度的单位有绝对量:mg/L、mmol/L,和相对量:饱和浓度的百分量。设饱和氧浓度为100%,浓氧浓度可用溶氧电极来测定。微生物对溶氧的响应类似于其他营养,在低浓度下细胞比生长速率随溶氧增加而增加,达到一定溶氧浓度,比生长速率不再随溶氧增加而增加。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条