PPM的例句大全

35 ppm 1-mcp treatment or 3% o2+ 35 ppm 1-mcp treatment have a good effect on pak choy at 2 ℃, but not at ambient temperature after 5 days.

而经35ppm1-MCP和3%O2+35ppm1-MCP处理的青菜在2℃中保鲜效果较好，但在常温下贮藏5d后保鲜效果较差。

the experiments indicated that, in applying chloride-containing fertilizers to soybean, the appropriate chloride concentration should be within the limit of 100 ppm.

试验得出在大豆上施用含氯肥料，对氯适宜浓度应在100ppm以内。

a novel state model of unknown signal-polynomial prediction model(ppm) and its optimal filtering algorithm are proposed in this paper.

提出了一种新的未知信号状态模型——多项式预测模型，并给出其滤波算法。

200 ppm chlorophacinone poisonous bait had good toxicity and palatability for the shrew ( acceptance coefficient> 0.3).

200ppm的氯敌鼠毒饵对臭鼩鼱有较强的毒性和良好的适口性（摄食系数大于0.3）。

firstly the cross correlation function of ppm is deduced, which is found to be relative to three factors.

首先推导出PPM调制下的互相关函数，发现互相关函数只与三个符号有关系，用穷举法得到互相关函数与发送信息序列的关系表。

at same device used in volume-unit (vu) and peak program meter (ppm) at the same time, ovu and ppm pointed at odb.

如果在同一设备上同时使用音量单位表（VU）和峰值节目表（PPM）时，VU表上OVU和PPM表指到OdB，两者关系是怎样确定呢？

parts per million carbon ppm

百万分率碳

23 out of 28 products 82 percent contained formaldehyde at levels ranging from 54 to 610 parts per million (ppm).

28件产品中的23件-82%-甲醛含量在54至610百万分率（ppm）之间。

a commonly cited goal is to stabilize ghg concentrations around 450-550 parts per million (ppm), or about twice pre-industrial levels.

一个共同的目标是使温室气体在空气中的浓度稳定在450-550ppm（注二），或者大约两倍于工业化前的水平。

the epa regulates wastes containing 50 (parts per million) ppm pcbs and greater.

美国环保局规定的废物含有50（百万分之一），多氯联苯和百万分之多。

roughly speaking, every 30 billion tons of emissions raises co2 levels by around two parts per million (ppm).

大致说来，每300亿公吨的排放会使二氧化碳浓度升高百万分之二（2ppm）。

reportedly, the environmental activist group found that herbal essences contained 24 parts per million (ppm) of 1, 4-dioxane.

据报道，环保活动家小组发现草本精华液里含有百万分之二十四的1,4-二氧六环。

the probiotics tests showed a density of plasticizer at 600 parts per million, far surpassing the taiwan daily standard of 1. 029 ppm.

益生菌检测表明塑化剂密度是百万分之600，远远超过台湾日常标准的百万分之1.

soft demodulation& performance of ppm in free-space optical communications

空间光通信PPM信号的软解调及其性能

Cereal samples contaminated AFB _ 1 were treated with ozone at 20~50 ppm.

用20～50ppm的臭氧处理稻谷中污染黄曲霉毒素B_ 1(AFB_1).

Irritant. May be a reproductive hazard. Typical PEL 100 ppm.

刺激性. 可能是一个生殖危害. 典型贝利百万分之一百.

RESULTS: GSC contains the highest ( 11.18 % ) germanium in 5 ppm enriched germanium MS cultrue medium.

结果: 在5ppm的富锗培养基上培养的GSC中锗的转化率最高 ( 1118% ).

This article presents a class for using PPM to compress a file.

本文介绍了使用PPM的压缩文件一类.

PPM Pixel Map Header File integrity of the source code can be used directly.

手册像素图头文件完整的源代码可以直接使用.

The term parts per million ( ppm ) was widely used but frequently led to misinterpretation.

广泛使用百分之几 ( ppm ) 表示结果,但常常引起误解.