查询词典 ir

The structures of the target compounds were confirmed by MS, IR, 1H NMR spectra, and elemental analysis. The preliminary biological tests show that some of the target compounds have certain herbicidal activities.

通过元素分析， 1H NMR， IR 和MS确定化合物的结构，初步生物活性测试表明标题化合物具有一定的除草活性。

The final compounds structures were characterised by 1HNMR, elemental analysis and IR as well. Herbicidal activity of the compounds was evaluated both in vitro and in vivo. The results showed that most of them had good biological activities.

设计合成了一系列新化合物，合成得到38个中间体，均得到了1H核磁共振证实；14个目标化合物，全部通过了1H核磁共振和元素分析的证实，部分化合物还得到了红外光谱的验证。

As the rollers roll over the edge of the macropitted boundary, geometric stress concentration creates high Hertzian stresses that cause the macropitting to advance opposite to the direction of rotation of the IR....

当滚珠从宏观麻点的边界处滚过时，局部应力集中会产生很大的Hertzian应力。这会引起宏观麻点逆着内圈的旋转方向延伸/扩大。

Five new heterocyclic compounds were synthesized and characterized by elemental analysis, IR, 1HNMR and MS.

总共合成5个新的化合物，并用元素分析，IR，~1HNMR，和MS进行了鉴定。

The charge transfer salts with second order nonlinear optical properties have been synthesized based on hexamethylenamine and the heteropoly acids,H 3PMo 12 O 40 ·nH 2O,H 4SiMo 12 O 40 ·nH 2O and H 4GeMo 12 O 40 ·nH 2O and characterized by elemental analysis,IR spectra and UV spectra.

合成了由六次甲基四胺与H3PMo12O40·nH2O，H4SiMo12O40·nH2O 和H4GeMo12 O40·nH2O 形成的具有二阶非线性光学性质的电荷转移盐，并由元素分析，红外光谱，电子光谱进行了表征。

The charge transfer salts with second order nonlinear optical properties have been synthesized based on hexamethylenamine and the heteropoly acids,H 3PMo 12 O 40 ·nH 2O,H 4SiMo 12 O 40 ·nH 2O and H 4GeMo 12 O 40 ·nH 2O and characterized by elemental analysis,IR spectra and UV spectra.

本文研究了一系列不同富硫有机配体的配合物以及富硫有机分子修饰的硫化物；合成了两个系列的7个富硫配合物和2个电荷转移盐，运用元素分析、红外、紫外-可见光谱对配合物进行了表征，并且通过单晶四圆X-衍射测定了C_5H_6S_5CuI(1)、(C_5H_6S_5)2PdI_2(6)、C_(10H_(10)S_8[(C_4H_4S_4)AuCl_2](8)、C_(10H_(10)S_8Hg_2Cl_6(9)四个化合物的晶体结构。

Results Hydrarthrosis was best seen on T2-weighted and IR coronal MR images.

结果 关节腔液体于T2加权和脂肪抑制序列冠状位扫描显示最清楚。

The white low-density powder of the the sodium salt of polyaspartic acid was got by dropping the hydrolyzable solution to wiscked high speedly carbinol which Consumption amount is about 3-6 times to the amount of solution, the powders density is about 0.35g/ml.4 Polyaspartic acid was characterized by NMR and IR.5 The scale inhibition behavior of polyaspartic acid was studied and result shows: The calcium carbonate inhibition rate is up to 99% at the dosages of 12.5mg/ Land when pH value is 9.0, Ca2+ concentration is 120mg/L and HCO3- concentration is 366mg/L.6 The primary design was put forward for industrialized production of PASP.

在此工艺下得到聚天冬氨酸钠粉术，外观为白色的轻质粉术，堆积密度0.35g／ml，不用进行脱色和粉碎。 4。用红外光谱和核磁共振谱图对聚天冬氨酸进行了表征。 5。对合成的聚天冬氨酸钠对CaCO_3的阻垢性能进行了研究。结果表明：在Ca~(2+)离子浓度120mg/L(以碳酸钙计300mg/L)，HCO_3~-离子浓度为366mg/L(以碳酸钙计600mgL)，PH值=9.0的条件下，阻垢剂浓度达到12.5mg/L时阻垢率可达99％。

A series of hydrotalcites were synthesized using high saturated method and were characterized by XRD, IR and TG. The impact of hydrotalcite's chemical composition and crystal structure were studied by changing the molar ratio of Al to in the samples.

基于此，利用高过饱和沉淀法合成了一系列的Zn-Al-HTlc，并通过XRD， IR和TG进行了表征，研究了样品中的n/n，即x对Zn-Al-HTlc化学组成、晶体结构的影响。

FT-IR, TG and XRD were applied to study the components, structure and heat-stabilization of hydrous zirconia.

运用FT-IR、TG、XRD研究了ZrO2水合物的组成、结构和热稳定性，用光学显微镜、FESEM对ZrO2水合物的形貌及其形成机理进行了分析。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。