There are two pairs of competitive factors in the F doped porous low k silicamaterials: porous and mechanical strength, porous and electrical property.

Breakdown Characteristics of SOI LDMOS High Voltage Devices with Variable Low k Dielectric Layer

可变低k介质层SOI LDMOS高压器件的耐压特性

The effect of Mg and K contents on physiologically potassium-deficient leaf blight of papaya plant was studied by investigation and sampling in the fields with low K and high Mg and chemical analyses in the laboratory.

采用田间调查、采样及其室内分析与田间试验相结合的方法，在低钾而高镁的土壤上，从植株各个部位探索番木瓜植株镁、钾营养变化对其生理性缺钾叶枯症的影响。

Effects of pH and NH_4~+ on K~+ uptake by young crops under low K~+ concentration condition

低钾条件下pH值和NH4~+对作物幼苗K~+吸收的影响

Preparation of Ammonium Chloride with Low K and Na Content

低钾钠氯化铵的研制

Results showed that the neuronal survival was 199.11 ± 24.00 in the high K+ group, 47.56 ± 11.09 in the low K+ group and 201.11 ± 27.43 in the FK group.

结果表明：①幸存神经元数：高钾组199.11±24.00，低钾组47.56±11.09，FK组201.11±27.43；

Conclusion YC 1 can block apoptosis of cerebellar granule neurons induced by low K+. The neuronal protection of YC 1 maybe belongs to a nongenomic action.

【结论】YC1抑制低钾诱导小脑颗粒神经元凋亡，YC1的这一作用可能属于一非基因效应。

Process Integration of Low k/ SiC Materials with Cu Interconnects

低k/碳化硅材料与铜互连线的工艺整合

Xi'an 8, Yuxi 832 and Yanshi 16 were K fertilizer sensitive wheat varieties, which had the features of lower yield in low K level and relatively bigger increments after the application of K fertilizer.

不同小麦品种对钾肥的响应程度不同，西安8号、豫西832、偃师16为施钾肥敏感小麦品种，具有低钾下产量水平低、施钾后产量提高幅度大等特点。

Study on technology of producing ammonium chloride with low K and Na by hot water washing method

热水洗涤法生产低钾钠氯化铵工艺研究

Compared with normal K supply, rice grain yield and shoot K accumulation were decreased, and K utilization efficiency was increased under low K supply.

低钾胁迫显著降低水稻的稻谷产量和各生育期地上部钾积累量，显著提高水稻的钾利用效率。

A novel SOI high voltage device structure with a variable low k dielectric layer ( VLkD) is proposed. The buried layer is made up of dielectrics with variable k.

提出了一种可变低k（相对介电常数）介质层（variablelowkdielectriclayer，VLkD）SOI高压器件新结构，该结构的埋层由可变k的不同介质组成。

31 as the low K tolerant genotype.

本试验初选出晋麦31号为耐低钾基因型。

Coronatine, like auxin, enhanced the lateral root formation under whether low K or high K.

无论在低钾还是高钾条件下，冠菌素可以像生长素一样促进棉花侧根的发生。

The results showed that there was a significant difference in both K uptake rate and low K tolerance among different genotypes.

结果表明，不同基因型的吸钾速率和耐低钾能力差异显著。

Low k Materials for ULSI Application

低介电常数材料在超大规模集成电路工艺中的应用

Triggered Activity Induced by Low K in Rat Ventricular Fibers after Cold Treatment

低温处理后由低钾诱发的大鼠心室肌触发性活动

Study on low k fluorinated amorphous carbon films used in ULSI

用于ULSI的低k氟化非晶碳膜研究

The study on the ION-ENCHANGE method producing low k and Na ammonium chloride from ammonium potassium chloride

离子交换法从氯化钾铵中生产低钾钠氯化铵方法的研究

Tom lived in a low house.

汤姆住在一间低矮的房子里.

I am not to admiring a head, also not be low head enters Microsoft.

我不是仰着头, 也不是低着头进微软.